Releases · esp8266/Arduino

Add function to know last reset reason.
Allow control of enabling debug and debug level from IDE
Add espduino board
Rework StreamString::write to use String internal buffer directly (#1289)
Add function to measure stack high water mark
Fix RAM corruption caused by our hook of register_chipv6_phy(init_data*).
Optimize PWM interrupt handler for better precision
Add warning levels configurable through Preferences
SPIFFS: check if path length is valid (#1089)
Set CPU frequency before running setup
Add core_esp8266_features.h to be able to detect the features and libraries included in the ESP core
Add ESPino to supported boards
Fix pwm first step getting skipped
Update SDK to 1.5.1_16_01_08
Bufferless and interruptless HardwareSerial
HardwareSerial: allow mapping of UART0 TX to GPIO2
Add 128K SPIFFS for 512KB modules
Reduce stack usage by Print::printf
Fix a crash in String::changeBuffer()
Implement static initialization guards (#500)
Implementation of Tone API using timer1
Use umm_malloc for heap management
Configurable I2C clock stretching limit
Add a new board entry for the SparkFun Thing Dev

ESP8266HTTPClient: add CHUNKED encoding support (#1324)
Fixed crash bug with mDNS where a string buffer could be used uninitialized
Add WiFi TX power control
Add WiFi sleep management
Allow to hook into WiFi events from sketch
Allow setting TCP timeout
Add setSleepMode + getSleepMode and setPhyMode + getPhyMode to WiFi
Update GDBStub library with the source of esp-gdbstub
Servo: fix detach and attach
ESP8266mDNS: refactoring, add TXT support
Add HTTP Basic Auth to WebServer and libb64 (base64) to core
Fix link-time dependency of ESP8266WebServer on SPIFFS (#862)
Allow setting client side TLS key and certificate
Replace chain of UDP pbufs with a single pbuf before sending (#1009)
Unique Built-In libraries library.properties name
Improvements for MD5Builder with Stream
ESP8266SSDP: fixing TTL to 2 per spec
ESP8266WebServer: a content length of zero should also be sent
Use SoftwareSerial version 2.2
EEPROM: optimised _dirty flag
ESP8266mDNS: advertise all hosted services
Remove bundled OneWire - ESP8266 support has been merged in the official OneWire sources
WiFiClientSecure: don't panic if memory allocation fails
Verify domain name in WiFiClientSecure::verify
Speed up WiFi.hostByName when the hostname is actually an IP
Fix WiFi scan issue (#1355)
Workaround for LwIP not handling ERR_ABRT
Servo value read and write fixes

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