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I read the news today, oh boy...
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Ryan Lortie
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201
NEWS
201
NEWS
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Overview of changes from GLib 2.29/2.30 to 2.31.0
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=================================================
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This release contains a huge number of changes (500 commits worth). The
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list below attempts to summarise, but not every change is listed.
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* Major changes to threading and synchronisation
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- threading is now always enabled in GLib
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- support for custom thread implementations (including our own internal
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support for errorcheck mutexes) has been removed
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- a whole lot of dead code (to deal with the non-threaded case) has
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been ripped out. This includes the racy path of GMainContext that
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caused deadlocks with respect to child process exits in
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single-threaded programs (such as gtester).
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- libgthread is now an empty shell and g_thread_init() is no longer
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required (and has been deprecated)
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- GMutex and GCond can now be statically allocated without explicit
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initialisation. Dynamic allocation for these types is deprecated.
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- new types GRecMutex and GRWLock can also be statically allocated
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without explicit initialisation.
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- GPrivate can now be statically allocated and has an improved API.
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Dynamic allocation of GPrivate is deprecated.
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- GStaticMutex, GStaticRecMutex, GStaticRwLock, GStaticPrivate are
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deprecated.
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- GCond now uses monotonic time internally and a new API takes
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monotonic time for timed waits, deprecating the wallclock API
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- removal of the insane macro indirection used in the previous
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implementation of threading and synchronisation APIs
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- use SRWLock and CONDITION_VARIABLE APIs when available on Windows
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(Vista and later) and emulate them on XP
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- leaks of G(Static)Private-allocated data on some cases of thread exit
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have been fixed
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- simplified new thread creation API with the old API deprecated. The
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concept of joinability has disappeared (all threads are joinable) as
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have priority levels, 'bound'ness (ie: kernel vs. userspace threads)
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and ability to manipulate the stack size.
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- GThread is now a refcounted type
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- other implementation details changed
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* Move headers for some deprecated functionality to a separate
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deprecated/ directory.
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* New support for attribute-based deprecations to issue compiler
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warnings instead of breaking the build and/or giving warnings about
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implicit declarations (and possibly miscompiling).
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* GCache has been deprecated (after its last use was removed from our
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platform over a year ago).
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* It is no longer possible to include individual headers (like
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"ghash.h") -- you must #include <glib.h>.
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* The misguided experiment of allowing the program to stumble along with
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missing GSettings schemas is now over -- the abort is back.
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* Clarify that fork() is not valid while using GMainContext. This is
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because the internal resources of the GMainContext end up being shared
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by both processes. We had an assert here but it was breaking existing
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(valid) use cases as well, so it has been removed for now.
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* GApplication
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- add ::shutdown signal as logical dual to ::startup
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- don't use a GMainLoop: iterate the GMainContext directly (improves
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quit logic)
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* Several portability fixes for Windows, OpenBSD, Solaris
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* Add new GValue API to specifically deal in signed chars (in case the
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platform defines 'char' as unsigned)
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* Use CLOCK_MONOTONIC unconditionally if the libc has support at compile
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time (ie: stop checking for kernel support at runtime).
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* SOCKS proxy and resolver improvements
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* Fix the spelling of G_IO_FLAG_IS_WRITABLE (was WRITEABLE) and
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introduce a macro for backwards compatibility.
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* GDBus: many code generation updates and improvements
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* GVariant:
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- new g_variant_new_from_fixed_array() API
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- substantial docs improvements/clarifications
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* mount monitoring is now based on /proc/mounts (where available)
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instead of mtab
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* new macros G_SOURCE_CONTINUE and G_SOURCE_REMOVE for returning from
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GSourceFunc (so you don't have to remember what TRUE and FALSE mean)
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* use xlocale functions where available to avoid too much heavy lifting
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in functions like g_ascii_strtod()
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* GMappedFile can now be created from an fd
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* error message strings grammar/i18n fixes
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* many docs updates
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* Partial list of bugs closed:
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70598 Unify GStaticMutex and GMutex.
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320888 optimization for g_main_context_wakeup
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398418 GChildWatch race condition?
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527214 g_timer_elapsed() returns random values
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580505 add a way to set/get name for a thread
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583511 race condition means g_main_loop_quit() does not work
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592715 Document that g_str_hash() and g_int_hash() are not NULL safe
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631413 Add macros for GSourceFunc return values
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632049 not immediately clear what g_variant_get_fixed_array expects
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640212 "Error stating file" is not a friendly message
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640293 Use xlocale functions to implement g_ascii_strtod()
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640975 Check that error exists before trying to set it
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643934 GApplication lacking a logical dual for the ::startup signal
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651268 assertion failed in GDBus worker thread
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653987 g_key_file_get_integer cannot interpret trailing spaces
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654412 Documentation for g_variant_get_child_value unclear
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654563 info capplet: Failed to calculate disk space
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655366 missing GSettings schemas lead to obscure crashes
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657992 Add glib__private__() API to share between glib,gio
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658188 _set_as_last_used_for_type generates a broken mimeapps.list
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658206 gsocks5proxy.c has invalid gettext use
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658207 glib-compile-schemas says "can not"
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658558 simpleaction: Fix documentation of :enabled
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658683 clean up charset/language threading issues
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658692 add introspection annotations to g_time_val_from_iso8601()
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658715 Duplicite strings
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658769 Invalid reuse of GError in GThreadedResolver
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658806 sign error in string hash implementation
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658976 gdbus-codegen's C namespace option needs to support Ugly_Case
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659070 gdbus-codegen generated code segfaults when property changes
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659082 gdbus-codegen: Single letter namespaces get dropped from names
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659212 GMappedFile should fail on non-regular files
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659324 _SPLICE_CLOSE_TARGET doesn't mark the output stream as closed
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659423 Use adaptive mutexes when available
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659427 Move deprecated code to a separate directory
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659646 gdbus-codegen produce code that warnings at build
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659690 Possible build warning in code generated by gdbus-codegen
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659699 property name collision when generating code for "Connection"
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659754 Add API to GMappedFile that allows to pass FD
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659838 incorrect types in introspection for g_object_bind_property
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659866 pthread_rwlock_t requires defined __USE_UNIX98
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659870 gvalue: Fix signedness of g_value_get_char()
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659889 glib-2.29.92/gio-2.0.pc.in has a wrong line.
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659920 Missing setter for read/write property 'closed' of GIOStream
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659923 Add g_variant_new_fixed_array() function
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660013 Remove old g_atomic configure cruft
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660096 glib/rwlock tests failure (tests asserted)
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660130 Possible loss of user data when updating mimeapps.list
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660147 tracker causes g_critical in "gsettings list-recursively"
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660413 Make G_ASSERT_STATIC work with clang
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660498 Generated test code fails when the codegen changes
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660511 Use /proc/mounts for monitoring mounts, not /etc/mtab
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660536 Expose options for /etc/fstab entries
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660635 Deprecate g_thread_foreach
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660637 Pending dbus method calls not canceled on connection loss
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660739 kill off g_{mutex,cond}_{new,free}()
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660740 make GThread more standard
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660741 g_cond_timedwait is a disaster
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660743 macro wrappers for g_once_init_enter/leave
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660744 finish killing g_thread_init()
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660745 GPrivate leaks on Windows
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660791 [gio] Improve doc for g_file_make_directory_with_parents()
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660843 asyncqueue-test is broken
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660849 Remove cruft from g_strerror and g_strsignal
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660886 GDBusProxy: don't drop/complain about unknown props/signals
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660887 g_slice_set_config() is broken
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660994 Add g_main_context_ref_thread_default()
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661255 gio: enable test_peer regression test for OpenBSD
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661318 tests use pthread without appropriate compiler/linker flags
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661421 Applications fail to initialize on GNU Hurd - commit
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661438 Implement G_GNUC_DEPRECATED/G_GNUC_DEPRECATED_FOR on Visual C++
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661763 desktop-app-info: Add support for X-GNOME-Keywords
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* Translations updates:
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Belarusian
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Brazilian Portuguese
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British English
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Bulgarian
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Catalan
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Catalan (Valencian)
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Czech
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Danish
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Esperanto
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French
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Gujarati
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Hebrew
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Hungarian
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Italian
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Lithuanian
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Norwegian bokmål
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Oriya
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Polish
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Russian
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Serbian
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Simplified Chinese
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Slovak
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Slovenian
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Spanish
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Tamil
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Vietnamese
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Overview of changes from GLib 2.29.18 to 2.29.90
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Overview of changes from GLib 2.29.18 to 2.29.90
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================================================
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================================================
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