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9.0.0-pre.20241016.1

Release 9.0.0-pre.20241016.1 (2024-10-22)
@a-googler a-googler tagged this 22 Oct 19:13 
Baseline: 253fedc5d5adbb6015735b31103be584e2125d5b

Incompatible changes:

  - With the default Unix toolchain on macOS, binaries now use
    `@rpath` to find their `.dylib` dependencies. This is required to
    fix issues where tools run during the build couldn't find their
    dynamic dependencies.
  - The flag `--incompatible_disallow_empty_glob` now defaults to
    true.

Important changes:

  - Native android_sdk is no longer available within Bazel. Use
    https://github.com/bazelbuild/rules_android
  - Add the
    --incompatible_simplify_unconditional_selects_in_rule_attrs
    option to simplify configurable rule attributes which contain
    only unconditional selects; for example, if ["a"] +
    select("//conditions:default", ["b"]) is assigned to a rule
    attribute, it is stored as ["a", "b"].
  - `--incompatible_disallow_unsound_directory_outputs` is deleted.
  - `--incompatible_remote_symlinks` and
    `--incompatible_remote_dangling_symlinks` are deleted.
  - The default value of
    `--experimental_remote_cache_eviction_retries` is changed to `5`.
  - If --proto:rule_classes flag is enabled, query proto output will
    contain rule class definitions in Stardoc proto format.
  - Non-singleton target visibility lists can now contain
    "//visibility:public" and "//visibility:private" elements; the
    result is appropriately simplified when assigned to an attribute:
    ["//foo:__subpackages__", "//visibility:public"] is saved as
    ["//visibility:public"], ["//foo:__subpackages__",
    "//visibility:private"] is saved as ["//foo:__subpackages__"],
    and for consistency's sake, an empty target visibility list [] is
    saved as ["//visibility:private"].
  - Symbolic Macros -- and with them, Finalizers and the new
    Macro-Aware Visibility model -- are now generally available
    (`--experimental_enable_first_class_macros` now defaults to
    true). Trivial `select()` values are automatically unwrapped
    (`--incompatible_simplify_unconditional_selects_in_rule_attrs`
    now defaults to true).
  - Moved all Bazel Android tool and action code to rules_android.
  - Add conlyopts and cxxopts attributes to cc rules
  - `@bazel_tools//tools/android` no longer exists. Use
    https://github.com/bazelbuild/rules_android instead.
  - Bazel now supports all characters in the rlocation and target
    paths of runfiles and can be run from workspaces with a space in
    their full path.
  - The Python six library is no longer part of @external_tools.

This release contains contributions from many people at Google, as well as Alessandro Patti, Benjamin Peterson, CaerusKaru, Dennis van den Berg, dependabot[bot], Fabian Meumertzheim, Fredrik Medley, hvd, Keith Smiley, Maria, Mislav Mandaric, Tomasz Pasternak, Xavier Bonaventura, Xdng Yng, Xùdōng Yáng.
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