Overview of changes in GLib 2.77.0, 2023-07-06

• Fix GSocketClient connecting to a proxy if the port is not specified
  (#2832, work by Michael Catanzaro)

• Support using copy_file_range() in g_file_copy(), if available (#2863,
  work by Philip Withnall)

• Improve handling of comments above groups in key files (#2927,
  work by Gaël Bonithon)

• Re-upgrade missing attribute debugs to criticals in GFileInfo (#2951,
  work by Philip Withnall)

• Do not redefine NULL on C++ (#2973, work by Marco Trevisan)

• Make g_signal_handlers_block_matched() work for G_SIGNAL_MATCH_ID
  (#2980, work by Przemyslaw Gorszkowski)

• Fixes to support building with bionic libc better (#3008, work by Øyvind Kolås)

• Fix potential stack overflow in gspawn on macOS if open file limit is very
  high (#3024, work by Dario Saccavino)

• Fix support for --force-fallback-for libpcre in meson configuration (#3025,
  work by Marius Kintel)

• Generate specific marshallers in gdbus-codegen (#3028, work by Marco Trevisan)

• Fix build failure on Android with statx() support (#3039, work by Philip Withnall)

• Improve locking performance of GSignal (!2824, work by Marco Trevisan)

• Improve locking performance of g_main_context_iterate() (!3235, work by
  Marco Trevisan)

• Add an inline definition of g_free() to automatically use g_free_sized()
  if available (!3252, work by Marco Trevisan)

• Fix race with waitpid() and GChildWatchSource (!3353, work by Thomas Haller)

• Add glib_valgrind_suppressions variable to glib pkg-config file (!3361, work
  by Marco Trevisan)

• Fix build on macOS SDK 10.11 (!3385, work by Peter Williams)

• Switch to using a separate thread pool and support timeouts in
  GThreadedResolver (!3397, work by Philip Withnall)

• Track pending GTasks if G_ENABLE_DEBUG is defined (!3404, work by Philip Withnall)

• Support GSignal fast path and more marshallers in gobject_gdb.py (!3437,
  work by Nelson Ben)

• Disable the macOS CI because it’s too unreliable — if you rely on GLib working
  on macOS, please get in touch and do something to help! (!3463, decision taken
  by Philip Withnall)

• Bugs fixed:

  • #65 glib-mkenums: parse_trigraph() chokes on quoted commas (Emmanuel Fleury)
    
  • #95 GMarkupParser documentation completion (David King)
    
  • #98 g_get_current_dir SIGSEGV on long path (Philip Withnall)
    
  • #104 Invocation of the interface "g_key_file_remove_comment" does not remove
    comment in specific case (Gaël Bonithon)
    
  • #116 Document UTF-8 behaviour and requirements throughout GLib (Philip
    Withnall)
    
  • #252 Disagreement between runtime and docs on whether interfaces are
    "classed" (Philip Withnall)
    
  • #322 gdbus-example-proxy-subclass.c is not complete. (Colin Walters)
    
  • #799 GAppInfoMonitor documentation deficiencies (Philip Withnall)
    
  • #1264 Use-after-free under
    send_message_with_reply_cleanup():gdbusconnection.c:1792 (Philip Withnall)
    
  • #2289 Document clearly that libgio is not guaranteed to be safe to use in
    setuid processes (Philip Withnall)
    
  • #2307 mainloop test leaks a GMainLoop object (Philip Withnall)
    
  • #2829 "glib-compile-resources --dependency-file=DEPFILE" creates wrong set
    of dependencies (Michael Catanzaro)
    
  • #2832 GSocketClient cannot proxy connect unless default port is explicitly
    specified in proxy URL (Michael Catanzaro)
    
  • #2855 gio/tests/socket-client.c name is too confusing because it does not
    use GSocketClient (Mike Salmela)
    
  • #2861 Check for __kernel_long_t when enabling futex()
    
  • #2863 Use copy_file_range() whenever possible in g_file_copy (Philip
    Withnall)
    
  • #2864 Documentation mentions non-existing function g_value_free (Philip
    Withnall)
    
  • #2879 Job #2498619 failed: gio/tests/socket.c:1654:test_reuse_tcp: assertion
    failed (error == (g-io-error-quark, 33)): error is NULL (Philip Withnall)
    
  • #2927 GKeyFile: Inconsistent behavior of comment writing above a group (Gaël
    Bonithon)
    
  • #2939 mkenums.py test fails on FreeBSD (Philip Withnall)
    
  • #2951 Re-upgrade missing attribute debugs to criticals in GFileInfo (Philip
    Withnall)
    
  • #2952 Not clear that GPollableInputStream methods are undefined if
    can_poll() returns FALSE (Philip Withnall)
    
  • #2953 Missing docs for GOption (commandline parser) (Sam Thursfield)
    
  • #2958 nbd server fails with glib 2.76.0
    
  • #2960 GDebugControllerDBus wrong default in documentation (Philip Withnall)
    
  • #2963 Probably wrong information regarding G_PLATFORM_WIN32 in
    README.win32.md
    
  • #2965 test_measure fails with coreutils 9.2 (Joan Bruguera)
    
  • #2966 Multiple Definition Error When Generating gio/tests/test5.gresource
    (Dan Yeaw)
    
  • #2969 user docs: GLib.DateTime.format: broken highlighting (Philip Withnall)
    
  • #2972 GtkFileLauncher: generated paths not recognized on Win32 (Luca Bacci)
    
  • #2973 Build failed due to NULL pointer redefinition in C++ (Marco Trevisan
    (Treviño))
    
  • #2980 g_signal_handlers_block_matched does not work for G_SIGNAL_MATCH_ID
    (Przemyslaw Gorszkowski)
    
  • #2982 Build randomly fails with: 'gmodule/gmodule-visibility.h' file not
    found (Marco Trevisan (Treviño))
    
  • #2993 g_dbus_interface_skeleton_get_vtable misses transfer annotation and is
    not introspectable
    
  • #2997 g_assert_cmpuint() should display positive, not negative values (Eric
    Blake)
    
  • #3003 glib-compile-schemas failed on directory name with no Latin symbols
    (Daniyar Tleulin)
    
  • #3007 GOptionContext group headings missing colon at the end (Philip
    Withnall)
    
  • #3008 Adaptations for building with bionic libc under termux (Øyvind Kolås)
    
  • #3020 Races in gio/tests/portal-support-snap* tests
    
  • #3024 Possible stack overflow in gspawn on MacOS
    
  • #3025 libpcre and libintl cannot be chosen to use the builtins
    
  • #3027 action exporter fails in the presence of actions with maybe parameter
    types (Matthias Clasen)
    
  • #3028 gdbus-codegen should generate marshallers (Marco Trevisan (Treviño))
    
  • #3030 Document GListModel requiring unique instance pointers from
    GListModelInterface.get_item (Christian Hergert)
    
  • #3034 futex based g_mutex_lock sometimes splatters errno with EAGAIN on
    contended locks
    
  • #3039 Build failure due to statx fields with NDK r25.c (Philip Withnall)
    
  • #3040 gtester in custom_target() run against system rather than built
    libglib during build
    
  • !2824 gsignal: Reduce lock/unlock pairs and ensure we always work on valid
    signal nodes
    
  • !3146 Make GVariant/GHash opaque types compatible with CHERI
    
  • !3235 gmain: Avoid some lock/unlock dance during g_main_context_iterate
    
  • !3252 gmem: Add an inline definition of g_free() to automatically use
    g_free_sized()
    
  • !3289 Work around an UCRT issue with _wspawn() functions taking an envp
    block
    
  • !3306 gregistrysettingsbackend: Allow a different root key path
    
  • !3308 doc: Workaround missing API index
    
  • !3314 gmain: More explicitly document g_main_context_release() prereqs
    
  • !3326 unicode: add tests for g_utf8_normalize() and empty strings
    
  • !3333 build: Drop old .gitignore files from test directories
    
  • !3335 meson: allow -Dlibelf=enabled without pkg-config
    
  • !3337 gio-tool-info: Fix a duplicate attribute name in the UI
    
  • !3340 meson: Move msvc_recommended_pragmas.h to a subdirectory
    
  • !3341 g_utf8_normalize: don't read past the end of the buffer
    
  • !3342 Add fuzzing harness for g_utf8_normalize()
    
  • !3344 tools: Drop check-abis.sh script
    
  • !3345 docs: Drop section about default branch renaming from README.md
    
  • !3347 gsocket/inotify/gwakeup: Use SOCK_NONBLOCK and O_NONBLOCK to avoid
    fcntl() syscalls where possible
    
  • !3351 tests: Update Unicode normalisation tests from Unicode 15
    
  • !3352 meson: Fix detection of a system-provided proxy-libintl
    
  • !3353 [th/child-watch-waitpid] fix race with waitpid() and child watcher
    sources
    
  • !3356 build/gmodule-2.0.pc: Move compiler flags from Libs to Cflags
    
  • !3357 Make clang++ happier when using G_STATIC_ASSERT
    
  • !3361 meson: Add glib_valgrind_suppressions variable to glib pkg-config file
    
  • !3365 gwin32: Avoid use of function call with side effect in greturn*
    macro
    
  • !3366 Add init macros for refcounting types
    
  • !3367 actiongroup: Add a compiler warning
    
  • !3371 Explicitly mark size parameter as (in)
    
  • !3377 gsignal: Clarify documentation for GSignalMatchType matching
    
  • !3378 build: Post-release version bump
    
  • !3381 gtimer: Avoid doing anything on g_usleep (0)
    
  • !3382 gsocket: Explicitly mark size parameter as (in)
    
  • !3383 add g_timeout_add_seconds_once
    
  • !3384 Test g_signal_handlers_disconnect_matched for G_SIGNAL_MATCH_ID match
    
  • !3385 gio: fix build on older macOS SDKs
    
  • !3388 appmonitor: Skip the test under OSX
    
  • !3389 glib/tests/[rec-]mutex: Allow each thread to work
    
  • !3390 Fix error format in gio/gunixconnection.c (part 2)
    
  • !3392 gvariant: Fix doc for g_variant_new_object_path
    
  • !3393 Fix small issues in docs
    
  • !3395 gtask: Document that g_task_run_in_thread() uses a shared resource
    
  • !3396 glib-unix: Improve documentation for g_unix_fd_source_new()
    
  • !3397 gthreadedresolver: Switch to using a separate thread pool and support
    timeouts
    
  • !3398 Avoid having g_futex_simple() inadvertently modify errno
    
  • !3399 meson: wrap html documentation generation with gtk_doc option
    
  • !3400 restore error messages in gunixconnection while maintaining older
    compiler support
    
  • !3401 ci: Disable the Coverity CI job
    
  • !3404 gtask: Track pending GTasks if G_ENABLE_DEBUG is defined
    
  • !3405 gthreadedresolver: Remove some incorrect assertions
    
  • !3406 gthreadpool: Clarify that item_free_func is not normally called
    
  • !3407 gregistrysettingsbackend: Remove translatable pspec nick/blurb
    
  • !3408 docs: Update/Drop txt documents from docs directory
    
  • !3409 docs: Don’t ignore gunixfdlist.h when building docs on Windows
    
  • !3410 tests: Add descriptions to environment tests
    
  • !3416 gtestutils: Fix section marker in documentation
    
  • !3418 docs: Add lb90 as a Windows maintainer
    
  • !3419 docs: Update various broken/redirected links and fix list formatting
    
  • !3420 gtestutils: print timing information per test case in TAP output
    
  • !3421 glib/tests/fileutils:fix asserts when running as root
    
  • !3422 Check for linux/netlink.h buildability
    
  • !3423 gstring: add g_string_new_take
    
  • !3425 gwin32networkmonitor: Fix returning address of local variable
    
  • !3426 gdataset, gobject: Use atomic compare and exchange full to set
    pointers
    
  • !3429 Rename GTK+ to GTK (mostly comments and documentation)
    
  • !3430 gobject_gdb.py: fix regression caused by bfbe7127d5
    
  • !3431 gfile: Ensure loff_t is defined on FreeBSD
    
  • !3435 Ignore g_task_print_alive_task() when introspecting GIO
    
  • !3437 gobject_gdb.py: support gsignal fastpath and detect more marshallers
    
  • !3438 gio: Check cancellable iterating local file enumerator
    
  • !3439 gstring: Add Since marker to g_string_new_take()
    
  • !3440 gutf8: Add a g_utf8_truncate_middle() function
    
  • !3441 Allow proper introspection of GTypeValueTable
    
  • !3442 gio: Add g_file_new_build_filenamev
    
  • !3448 meson: try iconv in libintl lookup
    
  • !3449 docs: Move README.win32.md to the docs folder and update
    CONTRIBUTING.md
    
  • !3450 gactionmap: Add g_action_map_remove_action_entries()
    
  • !3453 docs: Use the type name as the section name for GKeyFile
    
  • !3455 gfileinfo: add (type filename) annotation to symlink_target functions
    
  • !3456 gmain: Document that g_steal_fd() preserves errno
    
  • !3458 gstdio: Improve documentation of some functions as async-signal safe
    
  • !3462 tests: Reduce thread and iteration count on CI for /thread/rec-mutex3
    
  • !3463 ci: Disable the macOS CI
    
  • !3465 gobject_gdb.py: adapt to recent gsignal changes
    
  • !3466 resolver: Add space in documentations
    
  • !3470 pcre subproject fixes: Allow fallback & static build
    
  • !3471 gio-tool-mount: Add option to show progress when unmounting
    
  • !3472 tests: Fix an intermittent timing error with testing g_usleep(0)
    
  • !3477 gdbus-codegen: Fix some minor typos in the documentation
    
  • !3484 docs: Fix a typo in the backports policy
    
  • !3486 docs: Document issue and merge request triaging and review guidelines
    
  • !3488 codegen: Use g_signal_emit to emit signals
    
  • !3489 guniprop: fix param direction in g_unichar_get_mirror_char(), for
    introspection
    
  • !3490 gobject/tests: Fix running on 32-bit Windows
    

• Translation updates:

  • Bulgarian (Alexander Shopov)
    
  • Chinese (China) (Boyuan Yang)
    
  • English (United Kingdom) (Bruce Cowan)
    
  • Galician (Fran Dieguez)
    
  • Portuguese (Brazil) (Leônidas Araújo)
    
  • Slovak (Dušan Kazik)
    
  • Swedish (Anders Jonsson)
    
  • Turkish (Sabri Ünal)