Overview of changes in GLib 2.87.1, 2025-12-30

• Several low-risk CVE fixes (#3827, #3834, #3845)

• Fix return type of gi_callable_info_get_closure_native_address() (#3859,
  work by Philip Chimento)

• Tweak thread pool handling for GTask threads to prevent stalls (#3840, work
  by Ignazio Pillai)

• Respect NO_COLOR environment variable in log output (!4898, work by
  Aaron Andersen)

• Update file system type lists to mark more file system types as system ones
  and to recognise ntfs3 file systems (!4916 and #3828, work by
  Christian Hergert and Alexander Schwinn)

• Add G_GNUC_FLAG_ENUM attribute to mark enums as flags (!4900, work by
  Philip Chimento)

• Add a static CRT constructor and fusion manifest XML for GLib utilities on
  Windows so that stderr can be unbuffered and streams are flushed on exit
  (#3733, work by Luca Bacci)

• Fix G_FILE_MONITOR_WATCH_HARD_LINKS on Windows (#3819, work by Jehan)

• Bugs fixed:

  • #74 ignore case and '-' vs '_' differences when maching on enum/flag
    nick/name (Emmanuel Fleury)
    
  • #1181 Test failure: check_expected_events
    
  • #3360 msys2-mingw32 CI failure: mingw-w64-i686-gcc and mingw-w64-i686-gcc-
    objc are in conflict
    
  • #3733 gi-compile-repository.py test intermittently fails on Windows with
    empty stderr (Luca Bacci)
    
  • #3818 g_main_context_check with a NULL context crashes (Michiel Jan Laurens
    de Hoon)
    
  • #3819 G_FILE_MONITOR_WATCH_HARD_LINKS flag does not monitor files on Windows
    
  • #3827 (CVE-2025-13601) (#YWH-PGM9867-134) Incorrect calculation of buffer
    size in g_escape_uri_string() (Philip Withnall)
    
  • #3828 NTFS not detected by g_file_info_get_attribute_string
    
  • #3834 (CVE-2025-14087) (#YWH-PGM9867-145) Buffer underflow on Glib through
    glib/gvariant via bytestring_parse() or string_parse() leads to OOB Write
    (Philip Withnall)
    
  • #3840 GTask: g_task_run_in_thread never starts pending tasks (Ignazio
    Pillai)
    
  • #3843 glib: Integer overflow in g_bytes_new_from_bytes() leads to
    corrupted GBytes object (Philip Withnall)
    
  • #3845 (CVE-2025-14512) GIO: Integer overflow in file attribute escaping
    (Philip Withnall)
    
  • #3851 Integer overflow in g_buffered_input_stream_peek() leads to
    segmentation fault (Philip Withnall)
    
  • #3859 Return type of gi_callable_info_get_closure_native_address() should be
    void* (Philip Chimento)
    
  • !4883 ci: Do not use anymore only/except deprecated syntax
    
  • !4885 ci: Track changes to gir files using artifacts and MRs comments
    
  • !4898 glog: respect NO_COLOR environment variable
    
  • !4899 genvironment: consider macOS behavior when testing g_getenv
    
  • !4900 Add G_GNUC_FLAG_ENUM
    
  • !4904 glog: guard NO_COLOR environment variable check with a GOnce for
    performance reasons
    
  • !4907 completion: fix error on nounset mode unknown completions
    
  • !4908 glocalfile: Complain if faccessat sets an unusual error and use
    AT_FDCWD
    
  • !4909 glocalfile: Fix trash user cancellation not reported on Windows
    
  • !4910 ci: Use issue bot native support for $ISSUE_BOT_API_TOKEN_FILE
    
  • !4913 gdbusprivate: check length of path to GDBus binary
    
  • !4916 gio/gunixmounts: mark some file-system types as system
    
  • !4920 tests: Fix static-link test when running installed
    
  • !4921 gutf8: Add tests and clarify documentation for g_unichar_to_utf8()
    
  • !4922 ci: Enable the gobject-introspection build for the debian-stable-i386
    job
    
  • !4923 Added AIX implementation of g_unix_fd_query_path
    
  • !4926 Fix g_strcompress docs (mod 256)
    
  • !4928 Update of the Occitan translation
    
  • !4930 gio/gunixmounts: Mark more file systems as system internal
    
  • !4931 gio/gunixmounts: Replace /bin/efi with /boot/efi
    
  • !4937 docs(GResource): Tweak overlays description
    
  • !4939 gsocks4aproxy: Fix a buffer leak when finishing connecting
    
  • !4941 gsignal: Cleanup handler disconnection avoiding unneeded operations
    
  • !4942 gio: Fix a few -Wsign-conversion warnings
    
  • !4943 ci: Some fixups on the gir checker
    

• Translation updates:

  • Occitan (post 1500) (Mejans)