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CHANGELOG
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Release 6.0.15 (Not yet released)
-------------
* Restore ability to build against upstream libev. Contributed by Antonio Terceiro. Closes GH-1544.
* Improve rvm gemset detection. Closes GH-2420.
* Fix watchdog error on disable-log-prefix flag. Contributed by Paul Hanyzewski. Closes GH-2363.
* Upgrades Boost to 1.79.
Release 6.0.14
-------------
* Removes use of rexml in passenger restart command, because it was removed from Ruby 3. Closes GH-2415.
* Adds Ubuntu 22.04 "Jammy" packages, and removes Ubuntu 21.10 "Impish" packages.
* Fixes a use after free regression introduced in 6.0.12.
* Fixed a warning about ERB.new argument deprecation in Ruby 3.1. Closes GH-2417.
* Removed google apis from error pages for easier GDPR compliance.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- cmake 3.22.3 → 3.23.1
- git 2.35.1 → 2.36.0
- gnupg 2.3.4 → 2.3.5
- libgcrypt 1.9.4 → 1.10.1
- libgpg_error 1.44 → 1.45
- ntbtls 0.3.0 → 0.3.1
- rubygems 3.3.9 → 3.3.12
- zlib 1.2.11 → 1.2.12
- ruby
- 2.6.9 → 2.6.10
- 2.7.5 → 2.7.6
- 3.0.3 → 3.0.4
- 3.1.1 → 3.1.2
Release 6.0.13
-------------
* Add WASM mime type, Closes GH-2398.
* Fix compilation on FreeBSD 13. Closes GH-2402.
* [Ruby] Fixes app process crash when ECONNRESET received.
* Fix automated fetching of pcre source for installer scripts.
* Bump preferred nginx 1.20.1 → 1.20.2.
* [Ruby] Add option to preload bundler. Closes GH-2409.
- Apache: PassengerPreloadBundler
- Nginx: passenger_preload_bundler
- Standalone: --preload_bundler
* [Node] Suppresses the winston circular dependency warning.
* [RPMs] EL8 RPMs are now built on Rocky linux, and should be compatible with Alma, Rocky, CentOS, and RHEL.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache 4.4.2 → 4.6
- cmake 3.21.4 → 3.22.3
- curl 7.79.1 → 7.82.0
- git 2.33.1 → 2.35.1
- gnupg 2.3.3 → 2.3.4
- libgpg_error 1.42 → 1.44
- ntbtls 0.2.0 → 0.3.0
- openssl 1.1.1l → 1.1.1n
- rubygems 3.2.30 → 3.3.9
- zstd 1.5.0 → 1.5.2
- ruby
- dropped 2.4.10
- dropped 2.5.9
- 2.6.8 → 2.6.9
- 2.7.4 → 2.7.5
- 3.0.2 → 3.0.3
- added 3.1.1
Release 6.0.12
-------------
* [Debian] Fix compilation on 32 bit arm. Contributed by Antonio Terceiro.
* [Debian] Add Bullseye Debian packages.
* Add formatted error messages to responses. Contributed by Mohammad Aboelnour.
* Fixes for running under WSL 1. Contributed by Luke Pearce. Closes GH-2036.
* Upgrades Boost to 1.77. To go along with 32 bit arm fix.
* [MacOS] Fixes autodetection of openssl lib on apple silicon. Contributed by Taketo Takashima. Closes GH-2389.
* Reconnect to mongoid databases after fork, like we do for ActiveRecord. Contributed by Mohammad Aboelnour.
* [Ubuntu] add missing apache name in instance registry dir detection.
* [Ubuntu] replace hirsute apt packages with impish.
* [Nginx] add new config option to choose the status code returned when application spawning fails. (passenger_spawn_exception_status_code).
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache: 4.4.1 → 4.4.2
- cmake: 3.21.2 → 3.21.4
- curl: 7.78.0 → 7.79.1
- git: 2.33.0 → 2.33.1
- gnupg: 2.3.2 → 2.3.3
- rubygems: 3.2.27 → 3.2.30
- s3cmd: 2.1.0 → 2.2.0
Release 6.0.11
-------------
* Fix compilation on GCC 4.4, fixes a regression in 6.0.8 where Passenger would no longer compiler without a C++11 compiler.
* [CentOS] Fix version detection on CentOS Stream. Contributed by Taketo Takashima. Closes GH-2377.
* [MacOS] Additionally look for PCRE in the new location that Homebrew has split it's packages into.
* Fix compilation on GCC < 4.5.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache: 4.3 → 4.4.1
- cmake: 3.20.5 → 3.21.2
- curl: 7.77.0 → 7.78.0
- git: 2.32.0 → 2.33.0
- gnupg: 2.3.1 → 2.3.2
- libgcrypt: 1.9.3 → 1.9.4
- openssl: 1.1.1k → 1.1.1l
- pinentry: 1.1.1 → 1.2.0
- rubygems: 3.2.21 → 3.2.27
- rubies:
- 2.6.7 → 2.6.8
- 2.7.3 → 2.7.4
- 3.0.1 → 3.0.2
Release 6.0.10
-------------
* [Debian/Ubuntu] Fix a regression in `passenger_system_ruby` where Ruby 3 couldn't be found.
* [CentOS/RHEL] Bump rpm nginx dependency to match EPEL nginx (was 1.16.1 now 1.20.1). Closes GH-2364.
* [Nginx] The preferred PCRE version is now 8.45 (previously 8.44).
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- cmake 3.20.3 → 3.20.5
- git 2.31.1 → 2.32.0
- libksba 1.5.1 → 1.6.0
- rubygems 3.2.19 → 3.2.21
- pcre 8.44 → 8.45
Release 6.0.9
-------------
* Upgrades Boost to 1.76. Fixes a regression where some boost headers for comatibility with older distros were missing.
* Make building on Apple Silcon using homebrew openssl work. Contributed by TheBerg.
* Add Support for Ubuntu Hirsute.
* Remove prebuilt packages for Ubuntu Groovy.
* Properly support HTTP 418. Contributed by Thomas Pfister.
* Fix several C++ warnings about implicit copy operators/constructors.
* Bump preferred nginx 1.18.0 → 1.20.1.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache 4.2 → 4.3
- cmake 3.19.7 → 3.20.3
- curl 7.75.0 → 7.77.0
- git 2.31.0 → 2.31.1
- gnupg 2.2.27 → 2.3.1
- libgcrypt 1.9.2 → 1.9.3
- libksba 1.5.0 → 1.5.1
- ntbTLS added → 0.2.0
- zlib 1.4.9 → 1.5.0
- rubygems 3.2.15 → 3.2.19
- ruby:
- 2.3.8 → removed
- 2.5.8 → 2.5.9
- 2.6.6 → 2.6.7
- 2.7.2 → 2.7.3
- 3.0.0 → 3.0.1
Release 6.0.8
-------------
* [Apache] Fixes crash when restarting Apache on CentOS 8. Closes GH-2318.
* [Standalone] fix abort websockets on shutdown. Closes GH-2211.
* Fixes application process titles. They are now properly set to something like "Passenger RubyApp: ..." instead of "Passenger AppPreloader: ... (forking)".
* Upgrades Boost to 1.74.
* Allow passenger-status to detect passenger instance registry dir when systemd PrivateTmp dir is in use.
* Reduce the likelihood of a crash when using systemd PrivateTmp dir with Apache.
* Removed CentOS 6, and Debian Jessie prebuilt binaries and packages. Both are EOL.
* No-longer build 32 bit prebuilt binaries, as HBB dropped support.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache_version: 4.0 → 4.2
- cmake_version: 3.18.4 → 3.19.7
- curl_version: 7.73.0 → 7.75.0
- git_version: 2.29.1 → 2.31.0
- gnupg_version: 2.2.23 → 2.2.27
- libassuan_version: 2.5.4 → 2.5.5
- libgcrypt_version: 1.8.7 → 1.9.2
- libgpg_error_version: 1.39 → 1.42
- libksba_version: 1.4.0 → 1.5.0
- openssl_version: 1.1.1h → 1.1.1k
- pinentry_version: 1.1.0 → 1.1.1
- rubygems_version: 3.1.4 → 3.2.15
- zstd_version: 1.4.5 → 1.4.9
- ruby_versions + 3.0.0
Release 6.0.7
-------------
* Addresses regression introduced in 6.0.5 when attempting to establish database connection after fork and activerecord is not configured in the expected way. Closes GH-2281.
* Addresses regression introduced in 5.1.5 where hook scripts would fail to run. As a result the PASSENGER_ERROR_PAGE and PASSENGER_CONFIG_MANIFEST env vars have been removed from the passenger hook script environment.
* Match static rails assets on 8-digit content hash. Contributed by @mattozinga.
* Allow skipping the Apache/Nginx sections of the `passenger-memory-stats` output, through the `--no-apache` and `--no-nginx` commandline options. Closes GH-2306. Contributed by Saverio Miroddi (@saveriomiroddi).
* Fixes an issue where `passenger-memory-stats` would throw an error if a process went away while it was running. Closes GH-2305.
* Fixes a formatting issue with apr-1 include flags on macOS.
* Fixes a warning about BOOST_*_ENDIAN macros being deprecated by migrating to new suggested macros.
* Fixes an occasional issue with the node loader where the startup handshake would fail to record progress.
* Adds an option for specifying the address to bind ruby apps to, for sending requests directly to specific app instances:
- Standalone: direct_instance_request_address
- Nginx: passenger_direct_instance_request_address
- Apache: PassengerDirectInstanceRequestAddress
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache: 4.0 (was: 3.7.10)
- curl: 7.73.0 (was: 7.71.1)
- git: 2.29.1 (was: 2.27.0)
- gnupg: 2.2.23 (was: 2.2.21)
- libgpg_error: 1.39 (was: 1.38)
- ruby: 2.7.2 (was: 2.7.1)
- libassuan 2.5.4 (was: 2.5.3)
- libgcrypt 1.8.7 (was 1.8.6)
- OpenSSL 1.1.1h (was 1.0.2u)
Release 6.0.6
-------------
* Update gemspec with up to date metadata.
* Reverts the addition of the 'etc' gem to the Passenger gemspec, because it broke on normal ruby installs. Closes GH-2283.
* Builds Ubuntu focal Nginx dynamic module package against Nginx 1.18.0. Closes GH-2291.
* No longer providing prebuilt Ruby 2.1 or 2.2 binaries, they have been EOL for years and rubygems no longer supports them.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache 3.7.10 (was 3.7.9)
- Curl 7.71.1 (was 7.69.1)
- Git 2.27.0 (was 2.26.2)
- GnuPG 2.2.21 (was 2.2.20)
- libgpg_error 1.38 (was 1.37)
- libgcrypt 1.8.6 (was 1.8.5)
- RubyGems 3.1.4 (was 3.0.8)
Release 6.0.5
-------------
* [Enterprise] Fixed a regression (introduced in 5.0.0) where Flying Passenger could not update the Passenger configuration. Closes GH-1554.
* Adds Ubuntu 20.04 "Focal" packages, and removes Ubuntu 19.04 "Disco" packages.
* Adds RHEL / CentOS 8 packages.
* [Nginx] Converts CentOS 7 packages to provide a dynamic module instead of a full Nginx install.
* Fixes the encoding name for xml output from the `passenger-status --show=xml` command. Closes GH-2248.
* Adds the 'etc' gem as an explicit dependency. Closes GH-2124.
* Adds a user agent to the passenger pre-spawn script. Closes GH-1534.
* Fixes a compilation issue on FreeBSD. Closes GH-2240.
* Fixes an issue where rack bodies may not be processed correctly.
* Improves the database reconnection speed in forked processes. closes GH-2253.
* [Nginx] Adds a config option `passenger_temp_path` to set the path used for the disk backed response cache. Re-Closes GH-2075.
* [Apache] Protects the path info and script name passed to the app from modifications done by mod_security. Closes GH-2198.
* Ensures baseuri is set per request, even if config is loaded from cache. Closes GH-2117.
* Make temp dir toucher cleanup code more resilient to permissions issues.
* [Nginx] Bumps the preferred Nginx version to 1.18.0 (previously 1.17.3).
* [Nginx] The preferred PCRE version is now 8.44 (previously 8.43).
* Removed deprecated rubyforge gemspec property. Contributed by @olleolleolle.
* Adds an option for specifying the attributes on the sticky session cookie:
- Apache: PassengerStickySessionsCookieAttributes "SameSite=Lax; Secure;"
- Nginx: passenger_sticky_sessions_cookie_attributes "SameSite=Lax; Secure;"
- Standalone: --sticky-sessions-cookie-attributes "SameSite=Lax; Secure;"
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- ccache 3.7.9 (was 3.7.3)
- Curl 7.69.1 (was 7.66.0)
- Git 2.26.2 (was 2.23.0)
- GnuPG 2.2.20 (was 2.2.17)
- libgpg_error 1.37 (was 1.36)
- OpenSSL 1.0.2u (was 1.0.2t)
- PCRE 8.44 (was 8.43)
- s3cmd 2.1.0 (was 2.0.2)
- RubyGems 3.0.8 (was 3.0.6)
- Rubies:
- 2.4.6 -> 2.4.10
- 2.5.5 -> 2.5.8
- 2.6.3 -> 2.6.6
+ 2.7.1
Release 6.0.4
-------------
* Adds Debian 10 "Buster" packages.
Release 6.0.3
-------------
* Add an option to specify the spawn dir during startup, which is specifically useful for CageFS users. Contributed by @plmnikulin. Closes GH-2145.
- Apache: `PassengerSpawnDir`
- Nginx: `passenger_spawn_dir`
* [Nginx] Bumps the preferred Nginx version to 1.17.3 (previously 1.15.8).
* [Nginx] The preferred PCRE version is now 8.43 (previously 8.42).
* Adds Ubuntu 19.04 "Disco" packages, and removes Ubuntu 18.10 "Cosmic" and Ubuntu 14.04 "Trusty" packages.
* Changes minimum supported macOS version to 10.12 Sierra.
* Improves container detection and fixes a compilation warning in GCC 8+. Closes GH-2186.
* Allowed externally specifying an app instance to send a request to. Contributed by Mark R. James (@mrj).
* Fixed an incompatibility with sending requests to specific app instances, when using the rails web-console gem. Contributed by Mark R. James (@mrj).
* Fixed a regression (introduced in 5.1.9) where some hooks were not called. Closes GH-2103. Contributed by Mark R. James (@mrj).
* Fixes compilation with clang 8 (latest macOS update) by updating vendored boost library from 1.67 to 1.69.
* Reverts a regression intruduced in 6.0.2 where Passenger would crash if it had to use the disk backed response cache. Closes GH-2189.
* [Nginx] Adds an option `passenger_buffer_upload` to allow buffering uploaded data in Passenger before forwarding it to the app. As a workaround for apps that cannot handle chunked data.
* [Enterprise] When using deferred port binding, no longer binds port if all apps do not start up.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- PCRE 8.43 (was 8.42)
- Curl 7.65.1 (was 7.64.0)
- ccache 3.7.3 (was 3.6)
- Git 2.22.0 (was 2.20.1)
- OpenSSL 1.0.2s (was 1.0.2q)
- RubyGems 3.0.6 (was 3.0.2)
- GnuPG 2.2.16 (was 2.2.13)
- libgcrypt 1.8.5 (was 1.8.4)
- libgpg_error 1.36 (was 1.35)
- libiconv 1.16 (was 1.15)
- Ruby:
- 2.4.5 -> 2.4.6
- 2.5.3 -> 2.5.5
- 2.6.1 -> 2.6.3
Release 6.0.2
-------------
* Allow compilation to work when Apple messed up their system ruby headers.
* Only try to read pid 1's /proc files as root, in container detection. Closes GH-2168.
* Add an option to disable prefixing application logs with "App PID stdout". Contributed by Ian Kottman. Closes GH-1915.
- Apache: `PassengerDisableLogPrefix`
- Nginx: `passenger_disable_log_prefix`
* Add support for identifying the Passenger instance by PID. Closes GH-2146. Contributed by Saverio Miroddi (@saveriomiroddi).
* [Ruby] Made Passenger more resiliant to Rack bugs. Closes GH-2150.
* [Nginx] Do not touch Nginx's proxy_temp_path var in Passenger's nginx modules. Closes GH-2075. Contributed by Roman Berestnikov-Sivolov (@ROMB).
* Updated Ruby versions used in precompiled binaries (used for e.g. gem installs) to include 2.6.1.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- Curl: 7.64.0 (was: 7.63.0)
- Ruby: 2.6.1 (was: 2.6.0)
- RubyGems 3.0.2 (was: 3.0.1)
- ccache 3.6 (was: 3.5)
- GnuPG 2.2.13 (was: 2.2.12)
- libassuan 2.5.3 (was: 2.5.2)
- libgpg_error 1.35 (was: 1.33)
Release 6.0.1
-------------
* Adds Ubuntu 18.10 "Cosmic" packages.
* Skips trying to set oom score in LXC container environments. Closes GH-2143.
* Fixes an issue during the GLS startup handshake where ephemeral ports could be exhausted. Closes GH-2144.
* Updated Ruby versions used in precompiled binaries (used for e.g. gem installs) to include 2.5.3, and 2.4.5 (removed: 2.4.4).
* Bumps the preferred Nginx version to 1.15.8.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- Curl: 7.62.0 -> 7.63.0
- Git: 2.19.2 -> 2.20.1
- Gnupg: 2.2.11 -> 2.2.12
- libassuan: 2.5.1 -> 2.5.2
- libgpg_error: 1.32 -> 1.33
- Ruby: 2.4.4 -> 2.4.5, + 2.5.3
- RubyGems: 2.7.6 -> 3.0.1
Release 6.0.0
-------------
* Introduces support for *all* programming languages. Yes that's right... Java, Elixir, Go — Passenger now supports them all! This effort is called "generic language support".
* Bumps the preferred Nginx version to 1.15.7.
* Introduces anonymous usage telemetry, which helps us improve Passenger. Please read the docs on what data is collected and how to disable this.
* [Nginx] Introduces a new option "passenger_request_buffering on|off", to allow disabling request body buffering. This is only supported in Nginx >= 1.15.3. Closes GH-2121.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- OpenSSL: 1.0.2q (was: 1.0.2p)
- libcurl: 7.62.0 (was: 7.61.1)
- Ruby: 2.3.8 (was: 2.3.7)
Release 5.3.7
-------------
* Fixes package installation issues on Ubuntu 18.04. These issues were caused by an update released by Ubuntu on the nginx-common package. Closes GH-2122, GH-2140.
* Fixes compilation problems and warnings with GCC 8.2. Tested on Alpine Linux edge 2018-11-05. Closes GH-2139.
* Fixes compatibility with libcurl 7.62.0. Contributed by Po-Chuan Hsieh (@sunpoet).
* Changes minimum supported macOS version to 10.11 El Capitan.
* Removes packages for Ubuntu 17.10 Artful.
Release 5.3.6
-------------
* Fixes smart spawning. A regression in 5.3.5 (due to a refactoring) made it so that Passenger only used the direct spawning method. This issue was mostly noticeable in the form of increased process spawning times between 5.3.4 and 5.3.5.
* Fixes Passenger Core and application processes staying on the Watchdog's OOM score (unkillable). Closes GH-2105.
* Fixes "mach_vm_map failed" warnings on macOS >= High Sierra. These warnings were harmless, but annoying. Closes GH-2101.
* Fixes `passenger-config compile-agent` compilation with optimizations. The optimization flags were not properly passed to the compiler.
* Fixes a crash that could occur when HTTP clients send a chunked transfer-encoding body containing a chunk larger than 429496729 bytes.
* Improves detection of the system Apache's include headers on macOS High Sierra and later.
* Fixes RVM gemset detection on RVM 1.29.
* No longer supplies precompiled Ruby extensions for Ruby 1.9.3 and 2.0.0. When running Ruby 1.9.3 and 2.0.0, Passenger will attempt to compile from source instead.
Release 5.3.5
-------------
* Fixes Ubuntu 18.04 package installation problems due to Nginx version mismatch. Closes GH-2122.
* Improves usability of crash reports. Crash reports are no longer dumped in one big chunk to stderr. Instead, they are now dumped into multiple files, making it easy to inspect relevant reports.
* Fixes some crashes that only occur with log level 7.
* Downloads binaries from the newly-introduced Github mirror. This improves the reliability of binary downloads.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- OpenSSL: 1.0.2p (was: 1.0.2o)
- libcurl: 7.61.1 (was: 7.60.0)
Release 5.3.4
-------------------------------
* Fixes a crash during startup on FreeBSD 11.2 and recent OpenBSD versions due to C++11 compatibility issues in the code. Closes GH-2097.
* Updates Boost to version 1.67.0.
* [Apache] Fixes the handling of HTTP requests with chunked bodies in combination with `PassengerBufferUploads off`. Closes GH-2102.
Release 5.3.3
-------------
* [Apache, Nginx] Fixes the passenger-install-*-module scripts. (Regression in 5.3.2) Closes GH-2093.
* [Nginx] Fixed nginx module building on CentOS 6. Closes GH-2081. Thanks to defanator for contributing this.
Release 5.3.2
-------------
This release contains many security updates. Users are advised to upgrade as soon as possible. See our blog for more information on the vulnerabilities.
* [Nginx] Fixes CVE-2018-12029, a local privilege escalation vulnerability in the Nginx module that occurs when `passenger_instance_registry_dir` is configured to a directory with insufficiently strict permissions.
* Fixes CVE-2018-12026, 12027, and 12028. These are local denial of service, local information disclosure and local privilege escalation vulnerabilities that could be exploited by malicious applications or malicious users on the system.
* Updated various library versions used in precompiled binaries (used for e.g. gem installs):
- OpenSSL (Linux only): 1.0.2o (was: 1.0.2k; on macOS it was already 1.0.2o)
- GeoIP: 1.6.12 (was: 1.6.11)
- libcurl: 7.60.0 (was: 7.56.1)
* Fixes Meteor support in non-bundled mode (regression from 5.3.0). Closes GH-2082.
* Fixes the fact that the error page (which is shown when an app fails to spawn) sometimes contains unsufficient analysis details about the app.
* [Apache] Fixes PassengerMaxInstancesPerApp not being respected (regression from config refactor in 5.2.0). Closes GH-2059.
* [Enterprise, Apache] Fixes PassengerMaxInstances not being respected (regression from config refactor in 5.2.0).
* [Enterprise] Fixes passenger-irb being unable to connect to an app process (regression from 5.3.0). Closes GH-2087.
Release 5.3.1
-------------
* Fixes a regression from 5.3.0: a crash that occurs if the user that an application should run under, does not have a shell configured. Closes GH-2078.
* Fixes a regression from 5.3.0: setting supplementary group IDs during user switching. Closes GH-2077.
Release 5.3.0
-------------
* Adds Ubuntu 18.04 "Bionic" packages.
* Removes packages for Debian 7 "Wheezy" (EOL May 2018).
* Vastly improves spawning error page: quick overview of where the problem is, and the option to drill down in extensive troubleshooting information.
* Fuse Panel support: fixes a crash that occurs when you shut down Passenger right after it fails to connect to Fuse Panel.
* [Nginx] Updates the preferred Nginx version to 1.14.0 (from 1.12.2).
* [Apache] Updates the recommended package for apache dev headers on debian >= 9.4. Closes GH-2048.
* [Enterprise] Fix licensing proxy warning to refer to licensing_proxy_url instead of licensing_proxy.
* [Enterprise] Add new `PassengerAppLogFile` (Apache) / `passenger_app_log_file` (Nginx) config option to specify a file for app-specific logs. Closes GH-1279.
Release 5.2.3
-------------
* Fuse Panel support: fixes a few bugs with handling small log files and with apps that don't output any messages.
* Python app support: fixes a Python 3 compatibility issue w.r.t. writing data over the socket.
* macOS support: fixes a crash in the `passenger-config compile-nginx-engine` command which only occurs on macOS >= 10.13. This crash was caused by a missing `require` call in our code, and affects users who compile Passenger from source, e.g. users of the Passenger Enterprise Homebrew formula.
* Fixes a small memory corruption issue (dangling pointer) in the ApplicationPool subsystem.
* Improves support for the $TMPDIR environment variable by removing leftover hardcoded references to /tmp. Closes GH-2052.
* Updated PCRE version to 8.42 (was: 8.41) across the board.
Release 5.2.2
-------------
* Adds an option for dumping the web server config manifest to a given file: `PassengerDumpConfigManifest` (Apache) / `passenger_dump_config_manifest` (Nginx). This option is mostly useful for Passenger developers.
* [Nginx] Fixes support for configurations that have two `passenger_base_uri` options in a single virtual host, without corresponding `passenger_app_group_name` and `passenger_app_root` directives. Closes GH-2043.
* [Enterprise] Improved support for RAM-based pricing on Heroku (now using officially recommended memory limit reporting via CGROUP).
* (added in CHANGELOG after release) Four new options to connect to the new Fuse Panel: admin_panel_url, admin_panel_auth_type, admin_panel_username, admin_panel_password
* (added in CHANGELOG after release) Updated OpenSSL version used in precompiled binaries (used for e.g. gem installs) to 1.0.2o (was: 1.0.2m).
Release 5.2.1
-------------
* Fixes a regression from 5.1.11 that prevented Passenger from compiling on FreeBSD in some cases. Closes GH-2031.
* Fixes a bounds issue in printing an error message that could occur in some cases when spawning a child process fails. Issue was present from 5.1.11.
* Fixes a regression from 5.2.0 which prevented setting the max pool idle time to 0. Closes GH-2020.
* Warns if using an incompatible compiler on macOS < 10.13. Closes GH-2017.
* No longer uses Security Framework on macOS 10.13+. This will prevent further keychain warnings from appropriately compiled Passengers.
* Fixes warning on macOS about /proc/self access (excluded some code that was intended only for Linux).
* `passenger-install-nginx-module` now downloads the preferred Nginx version via https. Thanks to smiba for pointing this out.
* [Apache] Fixes a regression from 5.2.0 that caused a crash on startup when no top-level ServerName is set. Closes GH-2029.
* [Enterprise] Adds support for using RAM-based pricing on Heroku.
Release 5.2.0
-------------
* [Apache] Breaking change: to avoid configuration ambiguity, options that act on a per-process level (rather than per-request level) can no longer be used in .htaccess. See the Passenger Library -> configuration -> intro for more info (https://www.phusionpassenger.com/library/config/apache/intro.html#global-per-application-and-per-request-options).
* [Apache] Breaking change: the option PassengerResolveSymlinksInDocumentRoot has been removed (old Passenger 2 compatibility option, see PassengerAppRoot for new method).
* [Apache] Option handling has been refactored to avoid silent conflicts and errors: warnings are now generated for global config options in <VirtualHost> (they conflict between VHosts) and per-application options in <Files>, <FilesMatch> and <If> (silently failed before).
* [Apache] Fixes compilation issues on some systems with macOS 10.13 High Sierra (in addition to the fixes from 5.1.11).
* [Enterprise] Fixes two unnecessary warnings about failure to contact the licensing server, one occurring since version 5.1.8 ("3 days out of contact"), the other since 5.1.11 + Apache ("failure to contact").
* [Nginx] Fixes the default for the `passenger_app_group_name` to start with the `passenger_app_root` rather than the document root (the end remains the same: `passenger_app_env`).
* [Standalone] Adds command line support for `start_timeout` in Passenger Standalone (also removes unnecessary warning when using it in `Passengerfile.json`).
* [Standalone, Nginx] Waits for Nginx to exit before cleaning up temp dir (started happening more since the switch to Nginx graceful shutdown in 5.1.6). Closes GH-1970.
* Deprecated options for Union Station.
* Ruby 2.5 compatibility: handle case where an exception's backtrace may be nil. Closes GH-2011.
* Adds JSON mime type for static file serving. Closes GH-2018.
* Removes packages for Ubuntu 17.04 "Zesty" (EOL 13-jan-2018).
Release 5.1.12
--------------
* Changes the Debian/Ubuntu install script to completely restart Apache upon upgrade. This prevents issues due to a "half upgraded" state (old Passenger Apache module + new Passenger core). Closes GH-2000.
* Adds Ubuntu 17.10 "Artful" packages.
* Fixes a case in which -- when Passenger is configured with user switching turned off -- it is unable to open the web server log file and aborts during startup. This regression was introduced in 5.1.8. Closes GH-1990.
* [Nginx] The preferred Nginx version is now 1.12.2
* [Nginx] The preferred PCRE version is now 8.41 (previously 8.39).
* [Standalone] Adds support for using `start_timeout` in Passengerfile.json.
* [Enterprise] Uses libuv to detect total system RAM, allows for compilation on pre-10.11 macOS.
* [Enterprise] Added a max request queue time option, to limit time requests spend in the request queue. Closes GH-1688.
* Updated libcurl version used in precompiled binaries (used for e.g. gem installs) to 7.56.1 (was: 7.54.1).
* Updated OpenSSL version used in precompiled binaries (used for e.g. gem installs) to 1.0.2m (was: 1.0.2l).
* Updated PCRE version used in precompiled binaries (used for e.g. gem installs) to 8.41 (was: 8.40).
* Updated Ruby versions used in precompiled binaries (used for e.g. gem installs) to include 2.1.10, 2.2.8, 2.3.5, and 2.4.2 (removed: 2.1.9, 2.2.7, 2.3.4, and 2.4.1).
Release 5.1.11
--------------
* [Apache] Fixes a race condition (segfault) on startup, which primarily affected macOS hosts (regression in 5.1.8 due to the logging improvements). Closes GH-1973.
* [Apache] Fixes compilation on macOS 10.13 High Sierra.
* [Nginx] It is now allowed to specify `passenger_enabled` in the `http` context as well.
* [Nginx] Namespaced Jsoncpp under the Passenger namespace to avoid collisions with Google Pagespeed's copy when linked into Nginx.
* [Standalone] Enables HTTP/2 support in the Nginx template. Support is only active if SSL is used, to avoid potential issues with HTTP/2 on HTTP ports. Closes GH-1945.
* [Enterprise, Standalone] Adds a new feature that is especially useful on Heroku: deferred port binding. When `--defer-port-binding` is set, Passenger does not listen on the given port until the application has finished spawning. If the application starts slowly then this mechanism can prevent the Heroku request timeout from killing the dyno (the boot timeout still applies).
* [Enterprise, Standalone] Fixes duplicate warnings when Passengerfile.json contains errors.
* [Standalone] `passenger start` now accepts the `--start-timeout` configuration option.
* Adds support for Bundler 2.0's new `gems.rb` and `gems.locked`. Learn more about these in [Gemfile's new clothes](https://depfu.com/blog/2017/09/06/gemfiles-new-clothes). Closes GH-1982.
* Removes Debian packages for Ubuntu 12.04 Precise.
* Fixes compilation warnings on macOS + Clang 9.0.
* Introduces a new check that logs a vulnerability warning if Passenger is run with root permissions while the directory permissions of (parts of) its root dir allow modifications by non-root users.
* Fixes an arbitrary file read vulnerability (if Passenger is running as root and the attacker has access to a user account that hosts an application).
Release 5.1.10
--------------
* This was an Enterprise-only hotfix release (no changes in Passenger Open Source).
Release 5.1.9
-------------
* This was an Enterprise-only hotfix release (no changes in Passenger Open Source).
Release 5.1.8
-------------
* Introduces a shorter and more informative log format. The new format significantly shortens the thread ID, and includes the message's log level (critical, error, warning, notice, etc) so that users can more easily filter out uninteresting messages.
* [Nginx] The Phusion Nginx APT package is upgraded to Nginx version 1.12.1 (previously pinned at 1.10.3 while waiting for a compatible lua module release).
* [Standalone] Automatically uses Nginx to serves static asset URLs that conform to the [webpacker](https://github.com/rails/webpacker) gem's format. Closes GH-1966.
* [Standalone] If configured to listen on a Unix domain socket, properly cleans up this socket on Nginx shutdown. Fixes a regression from 5.1.6. Closes GH-1969.
* [Standalone] Fixes the `--max-requests` option when using the builtin engine. Fixes a regression from 5.1.4.
* [Enterprise] Fixes a potential use-after-free bug when reporting usage data to the Phusion licensing server. This bug only occurs when Passenger Enterprise is running inside a container.
Release 5.1.7
-------------
* Fixes compilation problems on some systems.
* Upgrades the JSON parser (json-cpp) to version 1.8.1. This makes parsing slightly faster, adds various security checks and fixes some JSON generation issues.
* [Enterprise] Fixes an SSL certificate issue in the license usage data reporter, which only occurs when Passenger Enterprise installed from gem or tarball. The license usage data reporter now searches for the correct system CA path.
* [Enterprise] Fixes a potential use-after-free bug when reporting usage data to the Phusion licensing server, and improves reliability of usage data recording.
Release 5.1.6
-------------
* Fixes a typo that causes a looping crash when long security update information is sent by the server. In practice we will keep the messages shorter to avoid triggering this until there has been ample time to upgrade.
* Fixes unnecessary process respawn if it was detached and min_instances is set to 0. Closes GH-1735.
* Introduces APT packages for Debian 9 "Stretch", with Passenger built as dynamic module. Closes GH-1960.
* Changes APT packages for Ubuntu 17.04 "Zesty" from static to dynamic module.
* [Standalone] Now uses graceful shutdown for the Nginx engine under the hood (requested as part of GH-1598). Thanks to PikachuEXE for contributing this.
* [Standalone] Fixes a memory corruption issue in the builtin engine. The issue was introduced in 5.1.5 (settings handling refactoring).
* [Standalone] Cleanup the temp dir before aborting when startup cannot continue, e.g. when Passenger is already running. Closes GH-1953.
* Fixes WSGI crash with Python 3 and non-ASCII characters in headers or the URL. Closes GH-1935. Thanks to n4nn31355 for the assistance.
* [Nginx] The preferred Nginx version is now 1.12.1 (previously 1.10.3), except for the Phusion Nginx APT package, which is pinned at 1.10.3 until an 1.12.x compatible lua module becomes available.
* [Nginx] Fixes CVE-2017-7529, an integer overflow vulnerability in the Nginx range filter module. This is accomplished by upgrading to Nginx 1.12.1, or applying the patch (Phusion Nginx APT package).
* Updated libcurl version used in precompiled binaries (used for e.g. gem installs) to 7.54.1 (was: 7.54.0).
* Updated OpenSSL version used in precompiled binaries (used for e.g. gem installs) to 1.0.2l (was: 1.0.2k).
* Updated GeoIP version used in precompiled binaries (used for e.g. gem installs) to 1.6.11 (was: 1.6.9).
* Updated PCRE version used in precompiled binaries (used for e.g. gem installs) to 8.40 (was: 8.39).
* Adds support for building with MacPorts' OpenSSL. Closes GH-1959.
Release 5.1.5
-------------
* Updated Boost to version 1.64.0, which fixed a compilation issue on certain Gentoo based setups. Closes GH-1942.
* Improved the error message shown when an app fails to start in time.
* [Apache] Remove option to configure PassengerAppGroupName from .htaccess because, assuming AllowOverride Options is set, malicious users (having an account on the same server) can sometimes collide app group names of other users and capture their traffic.
* Major internal refactoring of settings handling, to prepare for supporting settings changes without restart.
Release 5.1.4
-------------
* Updated zlib version used in building precompiled binaries (used for e.g. gem installs) to 1.2.11 (was: 1.2.8).
* Updated openssl version used in building precompiled binaries (used for e.g. gem installs) to 1.0.2k (was: 1.0.2j).
* Updated curl version used in building precompiled binaries (used for e.g. gem installs) to 7.54.0 (was: 7.51.0).
* Added support for rbenv when building precompiled binaries (passenger_binary_build_automation submodule).
* Fixes issue when building precompiled binaries (used for e.g. gem installs) found in release 5.1.3.
* Added Ruby 2.4.1 precompiled native extension.
Release 5.1.3
-------------
* [Standalone] Fixes `install-standalone-runtime` command after regression in 5.1.2.
* Removes unnecessary logging of "No Error" from macOS Security Update Checker.
* Adds support for compiling against the built-in Apache installation supplied with macOS 10.12 Sierra. Previous versions of Passenger failed because macOS Sierra's Apache installation is incomplete and does not supply the apr-config tool. We now work around this by using hardcoded default values for macOS.
* Don't output colorized text during dependency check when output isn't a TTY, unless forced. Closes GH-1902.
* [Nginx] The preferred Nginx version is now 1.10.3 (previously 1.10.2).
* Adds Ubuntu 17.04 "Zesty" packages.
* [Enterprise] Fixes `send-cloud-usage` command when Passenger is installed from gem.
* [Enterprise] Improves robustness of machine properties reporting for pay-as-you-go cloud-license holders.
* [Enterprise] Adds support for reporting available RAM, and CONTAINER_HOST_IDENTIFIER envvar, to support RAM-based pricing model.
* Added additional debug level logging for troubleshooting issues with bash scripts. Closes GH-1928.
* Revert private keychain use in the Security Update Checker when run as root on macOS, in order to avoid changing the default System Keychain. Closes GH-1922. Remove Cert and Key from keychain separately, to avoid errors when clearing the client certificate.
* Fix missing openssl check in `passenger-install-apache2-module` dependency checker. Closes GH-1934.
Release 5.1.2
-------------
* Improve curl check for passenger-install- scripts to catch (very old) curl versions that won't compile against 5.1+.
* Fixes remaining false positives (logging) from the new Meteor cluster warning system. Closes GH-1905.
* Create a private keychain on macOS when the system keychain is defaulted to, this avoids a permissions issue with the system keychain when performing the Security Update Check. This is necessary because the system keychain is the default keychain of daemon users and root on macOS.
* Improve `passenger-memory-stats` to include JRuby processes that fail to rename as expected. Closes GH-1878.
* [Standalone] Don't download or compile Nginx when using the builtin engine. Closes GH-1910.
* [Standalone] Fixes `--nginx-tarball` option of `passenger start` and `passenger-config install-standalone-runtime` (wasn't working). Also verifies that `--nginx-version` is explicitly specified as it should be.
Release 5.1.1
-------------
* The precompiled version of the PassengerAgent binary (used for e.g. gem installs) now configures (statically linked) libcurl with system keystore, so that the new security update check can successfully validate certs.
* Fixes some false positives (logging) from the new Node and Meteor cluster warning system. Logging is less repetitive and has extra debug info. Closes GH-1905.
* Updates the upload-progress module in the Nginx Debian package. The module version that we linked against in 5.1.0 was 0.9.2, but due to a bug in that version the module didn't work.
* The security update check now reports whether libcurl + SSL backend are statically linked to Passenger, in which case the check also needs to warn about relevant OpenSSL vulnerabilities in the linked library.
* Increases the allowed line lengths emitted by apps at startup.
* Adds support for the unary 'not' operator in the Union Station filter language.
* [Enterprise] Add missing flying-passenger integration mode to security update check.
* Fixes support for Rails 5.0.1 Action Cable. Specifically, we now support the `options` argument in the `write_nonblock` method in hijacked Rack IO sockets.
* [Apache] Introduces a small delay to prevent running the Security Update Checker twice at startup.
Release 5.1.0
--------------
* Upgrades union_station_hooks_core to version 2.1.2.
* [Enterprise] When running a Rails app in multithreaded mode, Passenger Enterprise automatically tags Rails logs with the current thread number. This makes it possible to distinguish logs generated by different threads.
* Fixes permissions issue on Linux when setting OOM score after lowering privileges. Closes GH-1858.
* [Standalone] Allows raw json envvars in Passengerfile.json. Closes GH-1837.
* [Standalone] Make the `max_requests` option available on the command line as well.
* Fixes unaligned memory access in base64 decoder on platforms that have strict aliasing requirements (non x86/x86_64). Closes GH-1646.
* Introduces daily Passenger security update check to warn (error log) if there are newer Passenger versions with important security fixes (describing what was discovered, what is affected, which version has the fix).
* Fixes compilation on Linux when a non-glibc C library is in use. Closes GH-1870.
* `passenger-install-nginx-module` and the standalone compiler now add the http v2, realip and addition module flags for Nginx (just like the APT/RPM/autobuilder already had). Closes GH-1788.
* [Apache] Fixes PassengerShowVersionInHeader option. Thanks to Sebastian Welther for contributing this.
* Passenger now reports when you try to use Node.js or Meteor clustering, and tries to continue with just a nonfunctional shim in place, so that if your code uses the clustering APIs your app may still work.
* Updates libev config.sub and config.guess to support newer platforms such as the IBM power 8.
* Fixes an issue where passenger-config couldn't restart an app if the TMPDIR variable was set to /tmp
* `passenger-install-apache-module` now suggests the correct apache package on Ubuntu Xenial. Closes GH-1884.
* [Standalone] The TempDirToucher will now spend most of its time with reduced privileges, except when it's actively touching files. This allows it to be killed when Passenger is quit in most circumstances. Closes GH-1678.
* Fixes a file overwrite vulnerability (CVE-2016-10345) caused by a predictable temporary file being written by `passenger-install-nginx-module`. Thanks to Jeremy Evans for reporting this.
* [Standalone] Fixes starting Passenger as a non-extant user. Closes GH-1849.
* Improved look of the error pages for failing to spawn an application (development & production mode), and Error ID is now also shown in production mode.
* [Standalone] Enable ipv6 support by default in builtin nginx. Closes GH-1873.
* [Nginx] Updates to APT package builder (Debian & Ubuntu) with fix for www-data to root privilege escalation via log file handling (CVE-2016-1247/USN-3114-1).
* [Nginx] Updates to RPM package builder (CentOS & RHEL) with fix for 1.10.x system nginx package overriding the nginx from the Passenger repo. Closes GH-1895.
* [Nginx] The preferred Nginx version is now 1.10.2 (previously 1.10.1).
* RPM pkg builder fix for breaking SELinux change in RHEL 7.3.
* RPM pkg builder fix for RHEL6/CentOS6 incompatibility and replacement in Passenger.
* Adds Ubuntu 16.10 "Yakkety" packages.
Release 5.0.30
--------------
* Changes mbuf block size from 512 to 4096 bytes to better fit modern requests and significantly speed up disk buffering.
* [Nginx] Fixes PCRE checksum after the preferred version update in 5.0.29 (contributed by: clemensg).
* [Apache] Fixes buffer limit crash on large file upload (when core disk buffer can't keep up with client for some time), and limits per-client buffer memory usage to 130 KB. Closes GH-1620.
* Fixes potential hang when an UnseekableSocket gets serialized to json. Closes GH-1838.
Release 5.0.29
--------------
* Fixes the FreeBSD build breaking due to the `-ldl` flag introduced by the LVE integration patch (5.0.28). Closes GH-1805.
* Fixes per-application interpreter override (ruby, node, python) being ignored in mass deployment mode. Closes GH-1818.
* Fixes incomplete refactor from 5.0.27 that could, under specific conditions, lead to a Passenger crash. Closes GH-1794.
* [Apache] Remove unused code that caused a crash in configurations with thousands of VirtualHost entries. Closes GH-1676.
* [Nginx] Fixes use of invalid logfile name (memory already released) in backup log redirection code. Possibly related to GH-1774.
* [Nginx] The preferred Nginx version is now 1.10.1 (previously 1.10.0).
* [Nginx] The preferred PCRE version is now 8.39 (previously 8.34).
* [Standalone] Passenger Standalone now supports /dev/stdout and /dev/stderr as log file path (via `--log-file` or Passengerfile.json). This is especially useful in Docker containers. In previous versions logging to those paths did not work, resulting in nothing getting logged at all.
* Adds Ubuntu 16.04 "Xenial" packages, deprecates Ubuntu 15.10 “Wily” packages (in accordance with LTS support policy).
Release 5.0.28
--------------
* Finalizes the fix (5.0.26) for the `rails server` command integration to prevent "missing on_event" errors. Closes GH-1768.
* Fixes missing -fPIC in Nginx dynamic module compilation (5.0.26) on Linux (rewrite of a patch by Andrei Belov). Closes GH-1793.
* Fixes memory leak that could occur whenever more than 1024 concurrent requests are handled (more likely since the higher concurrency support options from 5.0.24). Closes GH-1797.
* Integrates with CloudLinux LVE and CageFS (security checks and a new option PassengerLveMinUid). Thanks to Oleksiy Shchukin from CloudLinux Inc. for contributing this.
* Fixes the Nginx build when the PCRE library is not available (such as when compiling with `--without-http_rewrite_module`). Closes GH-1796.
* Extends `passenger-memory-stats` filter to show the instance dir toucher too (as well as the core in valgrind debug runs).
* Changes the default for friendly error pages to "off" unless the environment is set to "development", rather than "on" unless "staging" or "production". Closes GH-1782.
* [Nginx] The preferred Nginx version is now 1.10.0 (previously 1.8.1).
Release 5.0.27
--------------
* Fixes encoding issue for Ruby apps that resulted in a 0-byte response body. This occurred when the Ruby native support lib was not used and the app outputted an encoding that doesn't mix with UTF-8 (like UTF-16). Closes GH-1763.
* Fixes Passenger Core and application processes staying on the Watchdogs OOM score (unkillable) when user switching is set to off. Closes GH-1631.
* Supports Debian GNU/kFreeBSD build. Based on contribution by stevenc99.
* Switches a number of places in the Passenger Core over to using the monotonic clock instead of the wallclock for robustness against clock time-stepping.
* Slightly improves out-of-memory detection in some subroutines.
* Fixes incomplete libuv upgrade: some build files were not autoregenerated during the upgrade from 1.5.0 to 1.8.0 in the previous release.
* Warnings about 502 responses that are caused by applications aborting their output while the client is no longer connected (e.g. due to half-close event, reported since 5.0.26) are now reduced to debug level.
* Fixes automatic compilation of Ruby's native_support library in case Passenger was installed through Debian or RPM packages. Closes GH-1778.
* Fixes memory leak when buffering large request/response bodies to disk (which happens as soon as the 100 KB memory buffer is full).
* Fixes crash if an application spawn fails and a non-UTF8 character appears in the spawn output. Closes GH-1601.
* Updates the `rails server` command integration (from 5.0.25) to prevent "missing on_event" errors. Closes GH-1768. Update: not all required code made it to the release, the final fix is delivered in 5.0.28.
* [Union Station] Fixes a crash that occurs if all of the following conditions are met: 1) Union Station support is enabled, 2) the client sent at least one header containing the empty string, 3) the application responds with a 4xx or 5xx status. Closes GH-1776.
Release 5.0.26
--------------
* `passenger-status --show=server` now reports the speed at which new requests are accepted.
* `passenger-status --show=server` now reports `last_data_send_time` and `last_data_receive_time` which can be used to troubleshoot long-running requests (for example, to see if a websocket heartbeat is stuck).
* Passenger now reports TCP half-closing events to Node.js and Meteor applications, which allows them to detect request body and WebSocket closes without having to send data to the client.
* Fixes outputting Content-Length and Transfer-Encoding headers on HEAD requests for Ruby apps. These headers were omitted in previous versions on HEAD requests.
* Bumps the default socket backlog size from 1024 to 2048.
* Upgrades libuv to version 1.8.0.
* When using our RPM packages, system SELinux policy upgrades no longer break the Passenger SELinux policy. Closes GH-1663.
* [Apache] Fixes compilation against Apache installations which include `-pie` in CFLAGS. Closes GH-1756.
* [Nginx, Standalone] Bumps default Nginx worker_connections from 1024 to 4096 (effectively 2048 because of internal reverse proxy)
* [Nginx, Standalone] Introduces the option `core_file_descriptor_ulimit` and `app_file_descriptor_ulimit`, for setting the file descriptor ulimits of the Passenger core and the application, respectively.
* [Nginx] Passenger can now be [compiled as an Nginx dynamic module](https://www.phusionpassenger.com/library/install/nginx/install_as_nginx_module.html#dynamic-module). Thanks to Ruslan Ermilov from NGINX Inc for contributing this.
* [Standalone] Prints a warning when an unsupported configuration option in Passengerfile.json is set.
* [Standalone] Fixes "address already in use" errors when using the builtin engine.
* [Enterprise] The rolling restart feature now waits until the old process is completely gone (drained its request queue, process exited) before proceeding with rolling restarting the next process. This results in friendlier resource usage during rolling restart.
* [Union Station] Fixes custom logging time arguments getting overwritten by current time for Ruby apps (so some sub-blocks like "framework request processing" appeared shorter than they were). This could happen since the switch to monotonic clock in 5.0.22.
Release 5.0.25
--------------
* Integrates into the `rails server` command. Please learn more at [the Passenger + Rails integration documentation](https://www.phusionpassenger.com/library/dev/ruby/rails_integration.html).
* Adds explicit support for Action Cable. Please learn more at the [Passenger Library](https://www.phusionpassenger.com/library/dev/ruby/rails_integration.html#action_cable).
* Removes packages for Ubuntu 15.04 Vivid and Debian 6. Ubuntu 15.04 and Debian 6 are still supported, we just don't supply packages for them anymore. If you are an Ubuntu 15.04 or Debian 6 user and you want to use Passenger >= 5.0.25, then please upgrade your distribution, or install Passenger from RubyGems/tarball.
* Fixes a potential crash due to memory corruption in code for `passenger-config reopen-logs`.
* Fixes a potential crash in the large (inbound/outbound) file buffering code.
* Fixes a crash that occurs when using Nginx + HTTPS + Sub-requests. Closes GH-1724.
* Fixes a crash that occurs when using Nginx + syslog and a logfile for Passenger. Also fixes edge cases where the Nginx logpath would override the Passenger logpath. Closes GH-1514 (again).
* [Union Station] Fixes a potential crash due to a wrong limit on snprintf (introduced in 5.0.24 by GH-1633). Closes GH-1744.
* [Union Station] Fixes Union Station Node.js request introspection to allow for application.use method chaining. Closes GH-1745.
* [Union Station] Fixes information about sinks sometimes missing from `passenger-status --show=union_station`.
* [Union Station] When one or more Union Station gateways are suffering from technical difficulties, the Union Station support code now tries more quickly to reestablish the connection.
* [Standalone] Don't reject the value 0 (meaning no limit) for `--max-request-queue-size`. Closes GH-1743.
* [Standalone] Makes the `--address` option work more reliably if the passed hostname may resolve to multiple addresses. For example, if you pass `--address localhost` then previous versions could fail because Passenger thinks it's an IPv6 address (::1) while Nginx thinks it's an IPv4 address (127.0.0.1). Hostname resolution is now done in a consistent manner.
* [Standalone] Adds the `--unlimited-concurrency-path` configuration option.
* [Standalone] Adds IPv6 support to the builtin engine.
Release 5.0.24
--------------
* Fixes a crash when the new `force_max_concurrent_requests_per_process` option (5.0.22) was used for non-Node.js apps (e.g. Ruby). Closes GH-1720.
* Fixes Solaris compilation. This was a regression due to the patch for GH-1643 in 5.0.22. Closes GH-1694, GH-1701.
* Logs for [Union Station](https://www.unionstationapp.com) provide more information about request queueing. Closes GH-1633.
* Also log HTTP headers to Union Station for HTTP 4xx responses (extends the header logging for HTTP 5xx that was added in 5.0.22)
* Fixes cases where compilation failure of (optional) native utils was not reported.
* On Ruby, no longer traps SIGEXIT. This fixes erroneously setting `$ERROR_INFO` in `at_exit` callbacks. Closes GH-1730.
* Fixes a wrong loop exit condition that could cause a deadlock with 100% CPU usage by Passenger core. Closes GH-1709, GH-1732.
* Adds `socket_backlog` option to configure the Passenger Core socket backlog. For use with e.g. "Resource temporarily unavailable while connecting to upstream" errors. Closes GH-1726.
* [Nginx] The preferred Nginx version is now 1.8.1 (previously 1.8.0).
* [Standalone] Fixes the default value of the `load_shell_envvars` option. It's supposed to be disabled by default, but due to a typo it was enabled by default.
Release 5.0.23
--------------
* Fixes the request acceptor error handling timeout. When an error occurs while Passenger is accepting a request (for example, when Passenger has run out of file descriptors), Passenger is supposed to wait for 3 seconds before trying again. Because of a typo, Passenger actually waited 3 milliseconds.
* [Enterprise] Fixed a regression in the Passenger Standalone Nginx config template that breaks the Mass Deployment feature.
* The mime type for serving static XHTML files is updated. We no longer use the mobile profile, so it is recognized by desktop browsers. Closes GH-1695.
* Improves error messages about Ruby native support to indicate the optional nature. Passenger is able to operate even without the native support extension, but that wasn't clear enough to some users, causing them to think of the old messages as errors.
* [Standalone, Nginx] When using the new `abort_websockets_on_process_shutdown` configuration option, Passenger waited for the app to close without signaling it that shutdown was in progress. Node.js apps now get a SIGINT. Closes GH-1702.
* With friendly error pages off Passenger would still show a trace (referencing only Passenger code) for unusual spawn errors. This has been changed to a generic error message. Closes GH-1704.
Release 5.0.22
--------------
* Fixes a header collision vulnerability (CVE-2015-7519, medium severity). Note that this fix involves filtering request headers containing underscores. Please see our blog for detailed vulnerability description and advisory. Thanks to the SUSE security team for reporting this issue.
* [Apache] Fixes compatibility with Apache 2.4.17's mod_autoindex. Fix contributed by Eric Covener. Closes GH-1642.
* [Standalone] Passenger Standalone now [accepts configuration options from environment variables](https://www.phusionpassenger.com/library/config/standalone/intro.html). This makes using Passenger Standalone significantly easier on Heroku or on systems that follow the 12-factor principle. Closes GH-1661.
* [Standalone] The Nginx configuration template has been cleaned up. It is now significantly easier to edit the Nginx configuration template without breaking compatibility with future versions.
* [Standalone] The `passenger start` command now performs a sanity check on the internally generated Nginx configuration file and advises you accordingly when there is a problem.
* [Standalone] The `passenger status` and `passenger stop` commands now respect Passengerfile.json. Closes GH-1593.
* [Standalone] Passenger Standalone on Solaris now properly tails the application log file.
* [Standalone] Fixes a problem with Passenger Standalone's builtin engine exiting at startup when run on Solaris.
* [Standalone] `passenger start` now accepts the `--envvar` command line option for passing environment variables to the application.
* [Standalone] `passenger start` now accepts the `--memory-limit` configuration option.
* [Standalone] `passenger start` now accepts the `--max-request-queue-size` configuration option.
* [Standalone] `passenger start` now accepts the `--debug-nginx-config` configuration option. This option allows you to view the Nginx configuration file that Passenger Standalone generates internally.
* [Standalone, Nginx] Introduces a new configuration option: `abort_websockets_on_process_shutdown`. By default, when Passenger shuts down or restarts an application process, it will abort associated Websocket connections. This option allows you to disable that behavior. Closes GH-1686.
* Introduces a new configuration option: `force_max_concurrent_requests_per_process`. This option is mostly useful for making dynamic process scaling work in Node.js and Meteor apps.
* Various administration tools, such as `passenger-status`, no longer raise an flock EBADF error on Solaris. Closes GH-1643.
* The `passenger-config reopen-logs` command, when used in combination with Passenger Standalone and the Nginx engine, now also instructs Nginx to reopen its log files. Closes GH-1674.
* Fixes Passenger erroneously adding a `Content-Length` or `Transfer-Encoding` header to Ruby HTTP 204 No Content responses. Closes GH-1595.
* Fixes Union Station logging of Rack response body actions.
* The `passenger-config restart-app` command, when given `--ignore-app-not-running`, now properly exits with a zero status when one or more applications are running, but none of them belonging to the invoking user. Closes GH-1655.
* The `passenger-config validate-install` command no longer prints false warnings about duplicate Passenger installs on systems that use RBenv. Closes GH-1627.
* Fixes race conditions in the automatic building of the Ruby native support extension. Closes GH-1570.
* [Enterprise] Fixes compatibility with byebug 7.0. Closes GH-1662.
* Support Union Station logging for Node.js applications, with Express/MongoDB automatically supported.
* The Ruby Union Station hooks no longer abort with a fatal error when the application does not call the Union Station initializer method during startup. The error is now only logged.
* In case of an error response (HTTP 5xx), Union Station logging will also contain request headers.
* The Union Station hooks are now more resilient against environment variable problems.
Release 5.0.21
--------------
* Properly handles Ruby applications that output the `Content-Length` and `Transfer-Encoding` headers in non-standard casing, e.g. `Content-length`. Closes GH-1517.
* Fixes Ruby application loading incompatibilities caused by the use of absolute paths. Closes GH-1596.
* Fixes OpenSSL detection problems on OS X 10.11 El Capitan. OS X 10.11 no longer includes OpenSSL headers, so Passenger will suggest and use OpenSSL from Homebrew. Closes GH-1630.
* Introduces the [secure HTTP headers](https://www.phusionpassenger.com/library/indepth/meteor/secure_http_headers.html) feature for Node.js and Meteor apps. This mechanism allows Passenger to send per-request information to the application, while guaranteeing that this information is not spoofed by the client.
* Per-request Apache environment variables are now passed to Node.js and Meteor apps through the [`!~Passenger-Envvars`](https://www.phusionpassenger.com/library/indepth/nodejs/apache_per_request_envvars.html) secure header.
* Fixes some unintentional caching of request-specific environment variables. Closes GH-1479.
* For Node.js applications, Passenger now calls `process.emit('message', 'shutdown')` whenever Passenger shuts down an application process. This is the same hook as used by PM2, allowing applications which use the PM2 graceful shutdown mechanism to be run on Passenger without changes.
* [Enterprise] Fixes a bug in passenger-irb where printing strings larger than 64 KB would cause it to crash.
* [Enterprise] Fixes the `passenger-config restart-app` command so that it performs a non-rolling-restart unless `--rolling-restart` is given as command line option, as per the documentation. Previously, `passenger-config restart-app` without `--rolling-restart` would perform a rolling restart if rolling restarts are configured in the configuration file, but this contradicted documented behavior. Closes GH-1634.
Release 5.0.20
--------------
* Fixes memory management bugs in Union Station support.
* Improves the error handling in Union Station support.
* `passenger-config validate-install` now properly handles CR characters in Apache configuration files.
Release 5.0.19
--------------
* Fixes an encoding crash in `passenger-memory-stats` on OS X in case one or more processes are running on the system with names containing UTF-8 characters. Closes GH-1603.
* [Ruby] Fixes handling of HTTP 205 responses, which would cause client connections to freeze.
* Improves Union Station data collection: more Rack I/O events are now logged. The time taken to write out and to close the Rack response body are now logged.
* Improves Union Station data sending: errors are now logged more clearly, and DNS errors are now handled more robustly.
* Improves Union Station troubleshooting: errors can now be diagnosed by running `passenger-status --show=union_station`.
* Refactors the Union Station Ruby hook code. They have been extracted to external gems. However, they are still bundled with Passenger for ease of use.
Release 5.0.18
--------------
* Fixes more memory corruption issues in the palloc subsystem.
* Fixes memory corruption issues in the Passenger core that may occur if the application sets many response headers. The issue was caused by an off-by-one bug.
Release 5.0.17
--------------
* Adds packages for Ubuntu 15.10 "Wily", even though Ubuntu 15.10 hasn't been released yet.
* Fixes some memory corruption issues in the palloc subsystem. Closes GH-1587.
* Fixes the Node.js `PhusionPassenger.on('exit')` event. This event worked if you restart the app or detach an application process, but not if you stop Passenger.
* Fixes support for `passenger_pre_start` URLs that contain very long authentication strings. This was caused by the fact that our Base64 encoder generated unexpected newlines.
* [Standalone] Improves application prestarting. Application prestarting is now available in combination with the 'builtin' engine, and now works when SSL is used.
Release 5.0.16
--------------
* Allows independent configuration of Union Station gateway address, port and certificate. Closes GH-1543.
* Supports seek() such that body.rewind works when using Rack middleware that uses Zlib::GzipReader (e.g. for compressed requests). Closes GH-1553.
* [Apache] Improves detection of Apache configuration file problems. Closes GH-1577.
* [Enterprise] Fixes installation of the Passenger Enterprise Apache module on Debian Testing.
* Fixes logging of HTTP response code for Union Station. This regression was introduced by Passenger 5. Closes GH-1581.
* Adds a new subcommand `passenger-config about support-binaries-dir`.
* Fixes a regression in the Node.js loader with regard to custom startup files. This bug was introduced in 5.0.14. Closes GH-1557 (again).
* Fixes a crash when a Ruby application is accessed through a sub-URI and a root virtual host at the same time.
Release 5.0.15
--------------
* Support SHA256 digests for the Rails asset pipeline, as used by Sprockets 3.x.
* Support for JRuby 9.0.0.0. Closes GH-1562.
* Fixes some bugs in Union Station support, which causes some data (such as controller information and exceptions) to not be logged.
* The old Users Guides have been deprecated in favor of the [Passenger Library](https://www.phusionpassenger.com/library/). The Users Guides now redirect to appropriate sections in the Passenger Library.
Release 5.0.14
--------------
* [Standalone] Relative path handling has been improved. In previous versions, relative paths were not handled in a consistent manner. Relative paths are now handled consistently according to the following rules:
- If a relative path is given via a command line option, then it is relative to the current working directory.
- If a relative path is given via Passengerfile.json, then it is relative to Passengerfile.json.
Closes GH-1557.
* [Standalone] The `--disable-turbocaching` now works with the Nginx engine.
Release 5.0.13
--------------
* The `passenger-config restart-app` command now supports the option `--ignore-passenger-not-running`. If this option is given, the command will exit normally instead of exiting with an error, if Passenger is not running. This option is useful in deployments involving Passenger Standalone. In an initial deployment, Passenger Standalone may not yet be running. Passing this option allows you to ignore that issue.
* SELinux policy issues in the RPMs have been fixed.
* [Apache] `passenger-config reopen-logs` didn't work on Apache unless you explicitly set `PassengerLogFile`. This has now been fixed.
* [Standalone] Due to some internal refactorings, the Passenger Standalone Nginx configuration template has changed. If you used a custom Nginx configuration template, please merge our latest changes into it.
Release 5.0.12
--------------
* [Enterprise] Fixed passenger-irb. It was broken in 5.0.10 because of the change that made using admin commands without sudo possible.
Release 5.0.11
--------------
* In 5.0.10, admin tools such as `passenger-status` and `passenger-config restart-app` display an authorization error if they are run without sudo, while at the same time Passenger isn't serving any applications. Since this is confusing, they have now been modified to display a more appropriate error message.
* Fixes a bug in the RPMs that prevent admin tools such as `passenger-status` and `passenger-config restart-app` from working when they are invoked without root privileges.
* Fixes a bug on OS X that prevent admin tools such as `passenger-status` and `passenger-config restart-app` from detecting Passenger instance directories when they are invoked without root privileges. Closes GH-1535.
* Fixes a bug that causes Passenger not to work if the HOME environment variable is not set.
* Fixes compatibility with non-Rails Ruby apps that require the actionview gem. Closes GH-1547.
* Fixes some non-fatal "permission denied" error that may occasionally occur if user switching is turned off. Closes GH-1541.
* Relative values for the `pid_file` and `log_file` options in Passengerfile.json are now supported.
* If Passengerfile.json contains a syntax error, Passenger Standalone now correctly prints an error message instead of crashing.
* Sending a SIGABRT signal to a Ruby process now properly makes it terminate.
* The `passenger-config restart-app` command now accepts `.` as parameter, which it will interpreter as "restart the app in the current working directory". Closes GH-1386.
* [Apache] Setting `PassengerLogLevel` no longer redirects Apache's own stderr to that log file. Closes GH-1373.
* [Standalone] Passenger Standalone's Nginx engine now includes the RealIP module. Closes GH-1389.
* [Standalone] The `--max-preloader-idle-time` option has been added.
Release 5.0.10
--------------
* It is now possible to run `passenger-status`, `passenger-config restart-app` and other admin commands without using sudo. When run without sudo, these admin commands will allow you to operate on apps and processes that are owned by the user that invoked the admin command. Closes GH-1392.
* Fixes a crash introduces in 5.0.9 due to not properly initializing a variable. Closes GH-1530.
* The `passenger-config reopen-logs` command now works by instructing the Watchdog process to reopen the log file, while instructing the other Passenger processes to re-inherit the log file from the Watchdog instead of trying to reopen the log file on their own. This makes log file reopening more robust. Closes GH-1452.
* `passenger-config restart-app` no longer leaves the terminal in a state with black background. Closes GH-1526.
* `passenger-config admin-command` has been renamed to `passenger-config api-call` in order to avoid confusion with any potential admin interfaces that we will introduce in the future.
* If Union Station support is enabled, process and system metrics weren't being sent correctly to Union Station. This has been fixed.
* [Enterprise] Fixes the fact that the Passenger Enterprise RPM didn't correctly set SELinux permissions on its own files.
* [Apache] passenger-install-apache2-module no longer aborts with an error if the Apache configuration file contains errors. Closes GH-1525.
* [Apache] Fixes a typo that would cause passenger-install-apache2-module to crash on Red Hat and CentOS systems on which the SELinux command line tools are not installed. Closes GH-1527.
Release 5.0.9
-------------
* The casing of original headers as generated by the application are now preserved, instead of being downcased. This fixes compatibility issues with broken HTTP clients. Closes GH-1436.
* Internal refactoring: we've replaced libeio with libuv. This makes some of our code simpler. Closes GH-1428.
* When the passenger-status tool tries to cleanup a stale instance directory, it will no longer abort with an error when it fails to do that. It will now merely print a warning. Fixes [StackOverflow question 30354732](http://stackoverflow.com/questions/30354732/cap-aborted-capistrano-aborts-rails-deploy-while-attempting-to-chown-tmp-p/30357100#30357100).
* Fixes compilation problems on Solaris.
* The Ruby handler has been made more robust. Previously, it was possible for applications to corrupt connections by returning incorrect Rack responses. This may cause connections to get stuck. The Rack handler has been hardened to ensure that connections will never get corrupted or stuck. Closes GH-1512.
* The Ruby handler now closes the Rack response body even when the socket connection is hijacked by the application. The Rack specification is unclear about what to do in this case, and different Ruby app servers do different things. We have found that by closing the body object anyway, we maximize compatibility with existing Rack middlewares and apps, such as Rack::Lock. Background information about this issue can be found at https://github.com/ngauthier/tubesock/issues/10#issuecomment-72539461.
* Fixes a crash that could occur if some HTTP request headers are present, but have the empty value. Closes GH-1524.
* Fixes a permission problem that prevents the web server from communicating with Passenger when user switching is off. Closes GH-1520.
* Fixes a few small one-time memory leaks in the Passenger agent. This wraps up the workitems discovered in valgrind runs on earlier versions.
* Fixes use of uninitialized metrics. This could happen for a brief moment after spawning.
* [Apache] If you pass the `--apxs2-path` parameter to `passenger-install-apache2-module`, and the apxs2 path that you specified is not in PATH, then the installer would think that Apache installation is broken. This has been fixed.
* [Apache] A `Connection: close` header that was used for internal communication between Passenger processes was being leaked to the client, which breaks HTTP keep-alive connections. This has been fixed. Closes GH-1516.
* [Nginx] The preferred Nginx version is now 1.8.0. It was previously 1.6.3.
* [Nginx] Passenger now passes to the application the raw URI as sent by the client, as long as Nginx didn't modify the URI (e.g. as part of rewrite rules). This means that escaped slashes (%2F) in the URI now work correctly and out-of-the-box as long as there are no applicable rewrite rules.
* [Nginx] Fixes that crash that would occur if Nginx is configured to log to syslog. And to prevent log messages from disappearing into a black hole, Passenger will now ask you to set `passenger_log_file` if Nginx is configured to log to syslog. Closes GH-1514.
* [Standalone] Prevents an existing instance from being shut down if starting a new instance fails.
Release 5.0.8
-------------
* We now supply Debian 8 and Ubuntu 15.04 packages. Closes GH-1494 and GH-1400.
* We now supply Red Hat 6, Red Hat 7, CentOS 6 and CentOS 7 packages.