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NEWS
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Changes in 1.15.10
~~~~~~~~~~~~~~~~~~
Released: 2024-08-14
Dependencies:
* In distributions that compile Flatpak to use a separate bubblewrap (bwrap)
executable, version 0.10.0 is required.
This version adds a new feature which is required by the security fix
in this release.
Security fixes:
* Don't follow symbolic links when mounting persistent directories
(--persist option). This prevents a sandbox escape where a malicious or
compromised app could edit the symlink to point to a directory that
the app should not have been allowed to read or write.
(CVE-2024-42472, GHSA-7hgv-f2j8-xw87)
Documentation:
* Mark the 1.12.x and 1.10.x branches as end-of-life (#5352)
Other bug fixes:
* Fix several memory leaks (#5883, #5884)
Internal changes:
* Record a log file when running build-time tests with
AddressSanitizer (#5884)
* Add initial suppressions file for AddressSanitizer (#5884)
Changes in 1.15.9
~~~~~~~~~~~~~~~~~
Released: 2024-07-22
Dependencies:
* bubblewrap and xdg-dbus-proxy are now provided by Meson wrap files
instead of being directly vendored via `git submodule`.
If downloading external software during build is not allowed in your
environment, please install suitable versions of bubblewrap and
xdg-dbus-proxy separately, then configure Flatpak with options similar to
`-Dsystem_bubblewrap=bwrap -Dsystem_dbus_proxy=xdg-dbus-proxy`
(most major distributions package it like this already).
Enhancements:
* If xdg-dbus-proxy is new enough (0.1.6 or later, not yet released),
allow two broadcast signals from AT-SPI by default, allowing bus
traffic to be reduced. If xdg-dbus-proxy is older, this change will
have no practical effect but is harmless. (#5828)
* Install csh profile snippet (#5753)
Bug fixes:
* Expand the list of environment variables that Flatpak apps do not
inherit from the host system (#5765, #5785)
* Take time zone information from $TZDIR if set (#5850)
* Fix a memory leak since 1.15.7 when reloading D-Bus configuration (#5856)
* Fix a memory leak when running `flatpak permissions` (#5844)
* Fix memory leaks in `flatpak update` (#5816)
* Fix memory leaks when installing packages (#5811)
* Use more similar translatable strings for some error messages (#5748)
* Document `flatpak config --set languages '*all*'` correctly:
it is really `*all*` (or equivalently `*`), not just `all` (#5836)
* Fix a misleading comment in the test for CVE-2024-32462 (#5779)
* Fix a copy/paste error in the 1.15.7 release notes
* On systems where subdirectories of /sys have been made inaccessible,
continue without them (#5138)
* Make tests more compatible with non-GNU shell utilities (#5812)
* Translation updates: ka (#5873), hi (#5838), pt_BR (#5877), zh_CN (#5843)
Internal changes:
* libglnx and variant-schema-compiler are now managed as `git subtree`
instead of `git submodule`.
Maintainers and contributors, please see `subprojects/README.md` for
details of how to interact with these.
In particular this means that submodules no longer need to be set up
before working on a git clone. (#5800, #5845)
* Split library code into more, smaller translation units, reducing
internal circular dependencies (#5409, #5801, #5803)
* Add some convenience macros in the test suite (#5693)
* Minor internal robustness improvement (#5833)
* Add configuration for Github Codespaces (#5767)
* Improve CI configuration (#5791)
* Work around infrastructure issues in third-party apt repositories
used by default in Github Workflows (#5786)
Changes in 1.15.8
~~~~~~~~~~~~~~~~~
Released: 2024-04-18
Security fixes:
* Don't allow an executable name to be misinterpreted as a command-line
option for bwrap(1). This prevents a sandbox escape where a malicious
or compromised app could ask xdg-desktop-portal to generate a .desktop
file with access to files outside the sandbox. (CVE-2024-32462)
Other bug fixes:
* Pass the -export-dynamic linker option as -Wl,-export-dynamic,
fixing build failures with clang 18 and lld 18 (#5760)
* Fix a double-free when installation is cancelled (#5763)
* Fix installed-tests failure with "FUSERMOUNT: unbound variable"
(#5751)
* Translation updates: pt_BR (#5762), tr (#5761)
Changes in 1.15.7
~~~~~~~~~~~~~~~~~
Released: 2024-03-27
Dependencies:
* The Meson build system is now required.
Compiling with Autotools is no longer possible.
* In distributions that compile Flatpak to use a separate bubblewrap (bwrap)
executable, version 0.9.0 is recommended. Several of the bug fixes listed
below will not be active if an older version is used.
* In distributions that compile Flatpak to use a separate xdg-dbus-proxy
executable, version 0.1.5 is recommended.
* If libmalcontent (parental controls) is enabled, it must be version 0.5.0
or later.
New features:
* Automatically remove obsolete driver versions and other autopruned refs
(#5632)
* `--socket=inherit-wayland-socket` (#5614)
* Automatically reload D-Bus session bus configuration after installing
or upgrading apps, to pick up any exported D-Bus services (#3342)
Bug fixes:
* Update included copy of bubblewrap to version 0.9.0:
* `--symlink` is now idempotent, meaning it succeeds if the
symlink already exists and already has the desired target
(#2387, #3477, #5255)
* Report a better error message if `mount(2)` fails with `ENOSPC`
* Fix a double-close on error reading from `--args`, `--seccomp` or
`--add-seccomp-fd` argument
* Improve memory allocation behaviour
* Silence various compiler warnings
* Update included copy of xdg-dbus-proxy to version 0.1.5:
* Fix handling of long object paths
* Don't parse `<developer><name/></developer>` as the application name
(#5700)
* Don't refuse to start apps when there is no D-Bus system bus available
(#5076)
* Don't try to repeat migration of apps whose data was migrated to a new
name and then deleted (#5668)
* Improve handling of mixed locales on systems with systemd-localed (#5497)
* Improve display of ellipsized columns in wide terminals (#5722)
* Make `flatpak info -e` look for extensions in all installations (#5670)
* Fix warnings from newer GLib versions (#5660, #5737)
* Always set the `container` environment variable (#5610)
* Always let the app inherit redirected file descriptors (#5626)
* In `flatpak ps`, add xdg-desktop-portal-gnome to the list of backends
we'll use to learn which apps are running in the background (#5729)
* Don't use `WAYLAND_SOCKET` unless given `--socket=inherit-wayland-socket`
(#5614)
* Use `fusermount3` if compiled with FUSE 3, overridable with
`-Dsystem_fusermount` compile-time option (#5104)
* Avoid leaking a temporary variable from /etc/profile.d/flatpak.sh into
the shell environment (#5574)
* Improve async-signal safety (#5687)
* Fix various memory leaks (#5683, #5690, #5691)
* Avoid undefined behaviour of signed left-shift when storing object IDs
in a hash table (#5738)
* Detect the correct gtk-doc when cross-compiling (#5650)
* Detect the correct wayland-scanner when cross-compiling (#5596)
* Documentation improvements (#5659, #5677, #5682, #5664, #5719)
* Skip more tests when FUSE isn't available (#5611)
* Translation updates (#5602, #5707)
Changes in 1.15.6
~~~~~~~~~~~~~~~~~
Released: 2023-11-14
Dependencies:
* In distributions that compile Flatpak to use a separate bubblewrap (bwrap)
executable, version 0.8.0 is now required.
* Enabling the optional Wayland security context feature requires
libwayland-client, wayland-scanner >= 1.15 and wayland-protocols >= 1.32.
* Ubuntu 18.04 is no longer routinely tested. Support for dependency
versions included in Ubuntu 18.04 should be considered "at risk".
Features:
* Add --device=input, for access to evdev devices in /dev/input (#5481)
* Update bundled copy of bubblewrap to version 0.8.0, and rely on its
features:
* Improve error message if seccomp is disabled in kernel config
* Security hardening: set user namespace limit to 0, to prevent creation
of nested user namespaces in a more robust way (#5084)
* For subsandboxes started by flatpak-portal, inherit environment
variables from the `flatpak run` that started the original instance
rather than from flatpak-portal, fixing behaviour of FLATPAK_GL_DRIVERS
and similar features (#5278)
* Stop http transfers if a download in progress becomes very slow (#5519)
* Make it easier to configure extra languages, by picking them up from
AccountsService if configured there (#5006)
* Add new flatpak_transaction_add_rebase_and_uninstall() API,
allowing end-of-life apps to be replaced by their intended replacement
more reliably (#3991)
* Create a private Wayland socket with the "security context" extension
if available, allowing the compositor to identify connections from
sandboxed apps as belonging to the sandbox (#4920, #5507, #5558)
* Update libglnx to 2023-08-29
* Use features of newer GLib versions if available
* Turn off system-level crash reporting infrastructure during
some unit tests that involve intentional assertion failures
* Add anchors to link to sections of flatpak-metadata documentation (#5582)
* New translations: ka, nl.
Bug fixes:
* Avoid warnings processing symbolic links with GLib >= 2.77.0, and
with GLib 2.76.0 (GLib 2.76.1 or later silences these warnings)
* Bypass page cache for backend requests in revokefs, fixing installation
errors with libostree 2023.4 (#5452)
* Show AppStream metadata in `flatpak remote-info` as intended
(#5523; regression in 1.9.1)
* Don't let Flatpak apps inherit VK_DRIVER_FILES or VK_ICD_FILENAMES
from the host system, which would be wrong for the sandbox (#5553)
* Fix build failure with prereleases of libappstream 0.17.x (#5472)
* Forward-compatibility with libappstream 1.0 (#5563)
* Fix installation with Meson if configured with -Dauto_sideloading=true
(#5495)
* Fix a memory leak (#5329)
* Fix compiler warnings (#5362, #5366)
* Make the tests fail more comprehensibly if a required tool is missing
(#5020)
* Clean up `/var/tmp/flatpak-cache-*` directories on boot (#1119)
* Don't force `GIO_USE_VFS=local` for programs launched via flatpak-spawn
(#5567)
* Clarify documentation for D-Bus name ownership (#5582)
* Translation updates: id, tr, zh_CN
(#5332, #5565)
Internal changes:
* Split up large source files into smaller modules, reducing internal
circular dependencies (#5410, #5411, #5415, #5419, #5416, #5414)
* Re-synchronize code backported from GLib with the version in GLib
(#5410)
* Make the flags used to apply "extra data" clearer (#5466)
* Use glnx_opendirat() where possible (#5527)
* CI improvements (#5374, #5381)
Changes in 1.15.4
~~~~~~~~~~~~~~~~~
Released: 2023-03-16
Security fixes:
* Escape special characters when displaying permissions and metadata,
preventing malicious apps from manipulating the appearance of the
permissions list using crafted metadata (CVE-2023-28101).
* If a Flatpak app is run on a Linux virtual console (tty1, tty2, etc.),
don't allow copy/paste via the TIOCLINUX ioctl (CVE-2023-28100).
Note that this is specific to virtual consoles: Flatpak is not
vulnerable to this if run from a graphical terminal emulator such as
xterm, gnome-terminal or Konsole.
Other bug fixes:
* Document the path used for `flatpak override`
* Translation updates: oc, pl, ru, sv, tr
Changes in 1.15.3
~~~~~~~~~~~~~~~~~
Released: 2023-02-21
Build system:
* Building this version of Flatpak with Meson is recommended. The source
release flatpak-1.15.3.tar.xz no longer contains Autotools-generated
files, although this version can still be built using Autotools after
running `./autogen.sh`. Future versions are likely to remove the
Autotools build system.
Bug fixes:
* When splitting an upgrade into two steps (download without installing, and
then upgrade without allowing further downloads) like GNOME Software does,
if an app is marked EOL and superseded by a replacement, don't remove the
superseded app in the first step, which would result in the replacement
incorrectly not being installed (#5172)
* Fix a crash when --socket=gpg-agent is used (#5095)
* Fix a crash when listing apps if one of them is broken or misconfigured
(#5293)
* If an app has invalid syntax in its overrides or metadata, mention the
filename in the error message (#5293)
* Unset $GDK_BACKEND for apps, ensuring GTK apps with --socket=fallback-x11
can work (#5303)
* Fix a deprecation warning when compiled with curl >= 7.85 (#5284)
* Translation updates: es, ru (#5266, #5312, #5313)
Internal changes:
* Better diagnostic messages for why runtimes are or are not considered
unused (#5237)
Changes in 1.15.2
~~~~~~~~~~~~~~~~~
Released: 2023-02-06
Bug fixes:
* Never try to export a parent of reserved directories as a --filesystem,
for example /run, which would prevent the app from starting (#5205, #5207)
* Never try to export a --filesystem below /run/flatpak or /run/host,
which could similarly prevent the app from starting
* The above change also fixes apps not starting if a --filesystem is a
symlink to the root directory (#1357)
* Show a warning when the --filesystem exists but cannot be shared with
the sandbox (#1357, #5035, #5205, #5207)
* Display the intended messages for `flatpak repair` (#5204)
* Exporting an app to an existing repository on a CIFS filesystem
now works as intended (#5257)
* Unset $GIO_EXTRA_MODULES for apps, avoiding misbehaviour in some GLib
apps when set to a path on the host (#5206)
* Unset $XKB_CONFIG_ROOT for apps, avoiding crashes in GTK and Qt apps
under Wayland when this variable is set to a path not available in the
sandbox (#5194)
* When using the fish shell, avoid duplicate XDG_DATA_DIRS entries if the
profile script is sourced more than once (#5198)
* Update included copy of bubblewrap to 0.7.0 for better error messages
* Install SELinux files correctly when building with Meson
* Translation updates: ru, tr (#5256, #5262)
Internal changes:
* Update included copy of libglnx
* flatpak -v now uses the INFO log level, and flatpak -vv uses the
DEBUG log level in the flatpak log domain. Previously, the extra
messages that were logged by flatpak -vv were in a separate "flatpak2"
log domain. G_MESSAGES_DEBUG=flatpak previously had an effect similar to
flatpak -v, and is now more similar to flatpak -vv. (#5001)
Changes in 1.15.1
~~~~~~~~~~~~~~~~~
Released: 2022-11-17
Dependencies:
* When building with Meson, gpgme 1.8.0 is now required.
Older versions can still be used by building with Autotools.
Features:
* If an old temporary deploy directory was leaked by versions before #5146,
clean it up the next time the same app is updated (#5164)
Bug fixes:
* If an app update is blocked by parental controls policies, clean up the
temporary deploy directory (#5146)
* Fix Autotools build with versions of gpgme that no longer provide
gpgme-config(1) (#5173)
* Fix a possible parallel build failure with Meson (#5165)
* Fix a compiler warning on 32-bit architectures (#5148)
* When building with Autotools, be more consistent about applying compiler
warning flags (#5149)
* Unset $TEMP, $TEMPDIR and $TMP for apps, the same as $TMPDIR (#5168)
* Treat /efi the same as /boot/efi (#5155)
Changes in 1.15.0
~~~~~~~~~~~~~~~~~
Released: 2022-10-24
Build system:
* Flatpak can now be compiled using Meson instead of Autotools.
This requires Meson 0.53.0 or later, and Python 3.5 or later.
The Autotools build system is likely to be removed during either the
1.15.x or 1.17.x cycle. (#4845)
New features:
* Allow the `modify_ldt` system call as part of `--allow=multiarch`.
This increases attack surface, but is required when running 16-bit
executables in some versions of Wine. (#4297)
* Share gssproxy socket, which acts like a portal for Kerberos authentication.
This lets apps use Kerberos authentication without needing a sandbox hole.
(#4914)
* Add a httpbackend variable to flatpak.pc, allowing dependent projects
like GNOME Software to detect whether they are compatible with libflatpak
(#5054)
Bug fixes:
* Terminate the flatpak-session-helper and flatpak-portal services when the
session ends, so that applications will not inherit outdated Wayland
and X11 socket addresses (#5068)
* When using `fish` shell, don't overwrite a previously-set XDG_DATA_DIRS
(#5123)
* Don't try to enable HTTP 2 if linked to a libcurl version that doesn't
support it (#5074)
* Stop systemd reporting the session-helper as failed when terminated by
a signal (#5129)
* Fix a warning when listing a document with no permissions (#5055)
* Fix compilation with GLib 2.66.x (as used in Debian 11) (#5062)
* Fix compilation with GLib 2.58.x (as used in Debian 10) (#5066)
* Make generated files more reproducible (#5085)
* Translation updates: cs, id, pl, pt_BR (#5052, #5056, #5059, #5126)
Internal changes:
* Update project logo in README (#5119)
* Update libglnx subproject (#5140)
Changes in 1.14.0
~~~~~~~~~~~~~~~~~
Released: 2022-08-22
Known issues:
* There may be an issue where non-primary architecture builds don't show up
(https://github.com/flatpak/flatpak/issues/5045)
* There is a new security advisory on Flatpak but all supported versions are
not affected due to using new enough versions of libostree
(https://github.com/flatpak/flatpak/security/advisories/GHSA-45jq-5658-v38x)
Dependencies:
* Conditional on a build time option, revokefs will now use version 3 of the
FUSE API rather than version 2 (#4326)
* Libappstream should be updated to at least 0.15.3 to avoid critical warning
messages when using the "flatpak search" command
(https://github.com/ximion/appstream/issues/384)
New features:
* A new key "DeploySideloadCollectionID" is now supported in flatpakref and
flatpakrepo files, to allow setting a collection ID at the time a remote is
added from one of those files, rather than when metadata is pulled from the
remote, and without affecting versions of Flatpak with the older pre-sideload
P2P implementation (#4826)
* Allow sub-sandboxes to own MPRIS names on the session bus (#5023)
* Commands that accept "--user" will now also take "-u" as an alias for that
(#5014)
* The CLI now properly informs the user of which apps are (indirectly) using
end-of-life runtime extensions in end-of-life info messages (#4835)
* The CLI now takes into account operations in the pending transaction when
printing end-of-life messages (#4835)
* The uninstall command now asks for confirmation before removing in-use
runtimes or runtime extensions (#4835)
* A "--socket=gpg-agent" option is now recognized by "flatpak run" and related
commands (#4958)
Bug fixes:
* Fix a memory corruption issue caused by use of libcurl in an unsafe way
(#5046)
* Update selinux policy to cover symbolic links in /var/lib/flatpak (#4992)
* Fix a crash in case a .desktop file processed by the build-export command has
no Exec= key, and some related fixes for handling such .desktop files (#4817)
* Preserve the X11 display number rather than redirecting it to :99 (#5034)
Other changes:
* Various improvements to the unit tests, CI infra, and documentation
* Some changes were made to ensure translators can work on full sentences
rather than fragments in several places
* Translation updates: de, ru, sv, tr, uk, zh_CN
Changes in 1.13.3
~~~~~~~~~~~~~~~~~
Released: 2022-06-16
Dependencies:
* Support curl 7.29 or later as an additional, and the default, HTTP backend
alongwith libsoup 2.x (#4943)
* Clarify that glib 2.46 or later is now required (#4944)
New features:
* Implement support for rewriting dynamic launchers when an app is renamed
(#4703)
* Add --include-sdk/debug options to install command to install SDK/debuginfo
along with a ref (#4777)
* Improve --sideload-repo option to take create-usb dirs (#4843)
* Add a new library API flatpak_transaction_get_operation_for_ref() (#4947)
Bug fixes:
* Update the SELinux module to explicitly permit the system helper have read
access to /etc/passwd and systemd-userdbd, read and lock access to
/var/lib/flatpak, and watch files inside $libexecdir (#4852, #4855, #4892)
* Fix the error messages and the exit code of the 'uninstall' command when
non-existent refs are specified (#4857)
* Be more careful with errors when creating directories and deleting files,
and address some memory errors (#4930)
* Fix support for --noninteractive in the 'uninstall' command (#4947)
Other changes:
* Cosmetic improvements to end-of-life messages and other aspects of the CLI
output (#4947)
* Speed up the tests by not installing the polkit agent (#4942)
* Disable fuzzy ref matching when ID has a period or a slash, or when the
standard input or output is not a TTY (#4829, #4848)
* Update the icon-validator to print the format and size for consumption by
the dynamic launcher portal (#4803, #4808)
* Remove a pointless test (#4856)
* Improve various details of the GitHub workflows (#4870)
* Prepare for the addition of a Meson build (#4842, #4871, #4888, #4889, #4890)
* Only add the specified 'summary-arches' to the compat summary. This is
important since we're nearing the 10MB size limit for Flathub's legacy
summary files. (#4880)
* Translation updates: id, pt, sv, tr, uk
Changes in 1.13.2
~~~~~~~~~~~~~~~~~
Released: 2022-03-14
Bug fixes:
* Consistently pass relative subpaths to libostree, working around a bug
in libostree < 2021.6 when used with GLib >= 2.71 (#4805)
* Document have-kernel-module-* as having been added in 1.13.1
* Fix some memory leaks in GVariant data processing
Changes in 1.13.1
~~~~~~~~~~~~~~~~~
Released: 2022-03-01
Dependencies:
* libappstream 0.12.0 or later is now required
* appstream-glib is no longer required
* In distributions that compile Flatpak to use a separate bubblewrap (bwrap)
executable, version 0.5.0 is now required
New features:
* Create a directory for XDG_STATE_HOME and set the environment variable
(#4477)
- Apps requiring a state directory without a dependency on this updated
Flatpak version can get similar functionality by using:
--persist=.local/state --unset-env=XDG_STATE_HOME
which will use the same storage location
* Set HOST_XDG_STATE_HOME environment variable (#4477)
* Add have-kernel-module-foo family of conditionals for extensions, a
generalization of have-intel-gpu (which is now mostly equivalent to
have-kernel-module-i915) (#4647)
* Add `flatpak document-unexport --doc-id=...` (#1897)
* Export Appstream metadata for host system to use (#4350, #4599)
* Add command-line completion for the Fish shell (#3109)
* Add FlatpakTransaction:no-interaction API (#4699)
* We now allow networked access to X11 and PulseAudio services
if that is configured, and the application has network access.
(#397, #3908, #4702)
* `flatpak build-init` automatically sets the build directory to be
ignored by git (#4741)
Other changes:
* Updated bundled xdg-dbus-proxy to 0.1.3 (#4737)
* Updated bundled bubblewrap to 0.6.1 (#4779)
* The default branch in the Github repository is now named 'main'
* Don't offer options in CLI tab completion unless the user typed a '-'
(#4753)
* Disable fancy output (e.g. progress bars that get redrawn) when
G_MESSAGES_DEBUG is set in the environment (#4767)
* Most commands now work if /var/lib/flatpak exists but /var/lib/flatpak/repo
does not, and will automatically populate the repo directory if
possible (#4111)
* Disable session bus access for `flatpak-spawn --sandbox` as intended
(#4630)
* Make `sudo flatpak --user ...` fail with an error message, since acting
on root's per-user installation is unlikely to be what was intended
(#4638)
* Don't mention "negative" permissions like !host in /.flatpak-info (#4691)
* Improve performance when finding related refs
* Use SHA256 instead of SHA1 to avoid false-positives from static analysis
(in fact the use of SHA1 was not security-sensitive here) (#4716)
* Create sandbox's XDG_RUNTIME_DIR with 0700 permissions (#3397)
* Always create /.flatpak-info with 0600 permissions
* Absolute paths in WAYLAND_DISPLAY now work (#4752)
* Improve reliability of detecting the current GTK theme (#4754)
* Fix some error code paths when deploying malformed apps
* Improve some error messages
* Use URN for fontconfig DTD, consistent with fontconfig itself (#4617)
* Use `type -P` or `command -v` in preference to which(1) (#4696)
* Improve measurement of test coverage (#4681)
* Translation updates: de, fr, hi, hr, id, oc, pl, pt_BR, sv, uk, zh_CN
Changes in 1.12.6
~~~~~~~~~~~~~~~~~
Released: 2022-02-21
* Fix a bug that sometimes caused repo corruption in case downloads are
interrupted or canceled, necessitating a "flatpak repair" to recover
(#3479, #4258)
* More reliably detect the GTK theme (#4754)
* Fix history command unit test in some edge cases (#4764)
* Improve NEWS for 1.12.5
* Translation update: pt_BR
Changes in 1.12.5
~~~~~~~~~~~~~~~~~
Released: 2022-02-11
* Fixed a case where temporary data was sometimes left in
/var/lib/flatpak/appstream, and we now detect such leftover data and
remove it. (#4735)
* Fix regressions in `flatpak history` since 1.9.1 (#4121, #4332)
- Don't display the appstream branch used internally
- Don't display temporary repositories used internally
- Warn instead of failing if other non-app, non-runtime refs are found
- Don't set up an unnecessary polkit agent for `flatpak history`
- Add test coverage
* Don't propagate GStreamer-related environment variables into
sandbox (#4728)
* Fix a typo in an error message
* Fix incorrect year in NEWS for 1.12.4 release
* Translation update: pl
Changes in 1.12.4
~~~~~~~~~~~~~~~~~
Released: 2022-01-18
This is a regression fix update, reverting non-backwards-compatible
behaviour changes in the solution previously chosen for CVE-2022-21682.
Flatpak 1.12.3 and 1.10.6 changed the behaviour of `--nofilesystem=host`
and `--nofilesystem=home` in a way that was not backwards-compatible in
all cases. For example, some Flatpak users previously used a global
`flatpak override --nofilesystem=home` or
`flatpak override --nofilesystem=host`, but expected that individual apps
would still be able to have finer-grained filesystem access granted by the
app manifest, such as Zoom's `--filesystem=~/Documents/Zoom:create`. With
the changes in 1.12.3, this no longer had the intended result, because
`--nofilesystem=home` was special-cased to disallow inheriting the
finer-grained `--filesystem`.
Flatpak 1.12.4 and 1.10.7 return to the previous behaviour of
`--nofilesystem=host` and `--nofilesystem=home`. Instead, CVE-2022-21682
will be resolved by a new 1.2.2 release of flatpak-builder, which will
use a new option `--nofilesystem=host:reset` introduced in Flatpak 1.12.4
and 1.10.7. In addition to behaving like `--nofilesystem=host`, the new
option prevents filesystem permissions from being inherited from the
app manifest.
Other changes:
* Clarify documentation of `--nofilesystem`
* Improve unit test coverage around `--filesystem` and `--nofilesystem`
* Restore compatibility with older appstream-glib versions, fixing a
regression in 1.12.3
Changes in 1.12.3
~~~~~~~~~~~~~~~~~
Released: 2022-01-12
This is a security update that fixes two issues that were found in flatpak:
https://github.com/flatpak/flatpak/security/advisories/GHSA-qpjc-vq3c-572j
(also known as CVE-2021-43860)
This issue is about the possibility for a malicious repository to send
invalid application metadata in a way that hides some of the app
permissions displayed during installation.
https://github.com/flatpak/flatpak/security/advisories/GHSA-8ch7-5j3h-g4fx
(also known as CVE-2022-21682)
This issue is a problem with how flatpak-builder uses flatpak, that
can cause `flatpak-builder --mirror-screenshots-url` commands to be
allowed to create directories outside of the build directory.
The fix for this is done in flatpak by making the --nofilesystem=host
and --nofilesystem=home more powerful. They previously only removed
access to the particular location, i.e. `--nofilesystem=host` negated
`--filesystem=host`, but not `--filesytem=/some/dir`. This is a minor
change in behavior, as it may change the behavior of an override
with these specific options, however it is likely that the new
behavior was the expected one.
Other changes:
* Extra-data downloading now properly handles compressed content-encodings
which fixes checksum verification (see #4415)
Note: In some corner case server setups this may require the extra-data
checksum to be changed
* Avoid unnecessary policy-kit dialog due to auto-pinning when installing runtimes
* Better handling of updates of extensions that exist in multiple repositories
* Fixed (initial) installation apps with renamed ids
* Support more pulseaudio configuration, including the one used in WSL2
* Fixed regression in updates from no-enumerate remotes
* We now verify checksums of summary caches, to better handle local file
corruption
* Improved cli output for non-terminal targets
* Flatpak run --session-bus now works
* Fix build with PyParsing >= 3.0.4
* Fixed "Since" annotations on FlatpakTransaction signals
* bash auto completion now doesn't complete on command name aliases
* Minor improvements to the search command
* Minor improvements to the list command
* Minor improvements to the repair command
* Add more tests
* Updated translations and docs
Changes in 1.12.2
~~~~~~~~~~~~~~~~~
Released: 2021-10-12
* Install translations referenced by LANG, LANGUAGE or LC_ALL
* Fix error handling for the syscalls that are blocked when not using --devel
* Improve diagnostic messages when seccomp rules cannot be applied
* Update Polish translation
Changes in 1.12.1
~~~~~~~~~~~~~~~~~
Released: 2021-10-08
The security fix in the 1.12.0 release failed when used with some
older versions of libseccomp (that don't know about the new syscalls).
More specifically, installing modules that use extra-data would fail, and so
would running applications with the --allow=multiarch feature, such as Steam.
This release fixes those regressions.
Changes in 1.12.0
~~~~~~~~~~~~~~~~~
Released: 2021-10-08
This is the first stable release in the 1.12.x series. The major changes
in this series is the support for better control of sub-sandboxes, as
used by the Steam Flatpak app to run Windows games under Proton.
In addition, this release fixes a security vulnerability in the portal
support. Some recently added syscalls were not blocked by the seccomp rules
which allowed the application to create sub-sandboxes which can confuse
the sandboxing verification mechanisms of the portal. This has been
fixed by extending the seccomp rules. (CVE-2021-41133)
For details, see:
https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
Other changes in this version:
* Some test fixes
* Update translations
* Support for specifying the flatpak binary to use during exports
* Install translations for all languages in the locale, not just the ones in
LC_MESSAGES.
* Fix progress reporting in flatpak fsck
* Handle cases where /var/tmp is a symlink
* Expose /etc/gai.conf to the sandbox
* Fix the parental control checks for root
* Handle missing /etc/ld.so.cache (musl)
Changes in 1.11.3
~~~~~~~~~~~~~~~~~
Released: 2021-08-25
Dependencies:
* For Linux distributions that compile Flatpak to use a separate
bubblewrap (bwrap) executable, updating to version 0.5.0 is recommended,
but not required. The minimal version is still 0.4.0.
Bug fixes:
* Don't inherit an unusual $XDG_RUNTIME_DIR setting into the sandbox, fixing
a regression introduced when CVE-2021-21261 was fixed in 1.8.5 and 1.10.0
* Update the included copy of bubblewrap (flatpak-bwrap) to 0.5.0
- Better diagnostics when a --bind or other bind-mount fails
- Create non-directories with safer permissions
- Allow mounting an non-directory over an existing non-directory
- Silence kernel messages for our bind-mounts
- Improve ability to bind-mount directories on case-insensitive filesystems
* Don't ask user which remote to download from if there is only one option
* Improve robustness of autogen.sh
Internal changes:
* Improve test coverage
* Spelling fixes
Translation updates: Brazilian Portuguese, Russian, Spanish, Ukrainian
Changes in 1.11.2
~~~~~~~~~~~~~~~~~
Released: 2021-06-17
Bug fixes:
* Fix logic error when migrating AppStream XML
* Improve error-checking
* Fix various memory and file descriptor leaks, in particular with
flatpak-spawn --env=...
* Fix fd confusion in flatpak-spawn --env=... --forward-fd=..., which
caused "Steam Linux Runtime" containers to fail to start
* Avoid a crash when looking up summary for a ref without an arch
* Improve handling of refs belonging to more than one architecture,
e.g. for cross-compilation
* Don't abort uninstall if deploy metadata is missing
* Don't fail transaction if searching for dependencies fails in one remote
* Fix test failure when running tests as root
* Improve error message for 'sudo flatpak run'
Internal changes:
* Improve printf format string validation
* Improve test coverage
* Reduce risk of accidentally hard-coding x86 in the tests
Translation updates: Danish, Indonesian, Russian
Changes in 1.11.1
~~~~~~~~~~~~~~~~~
Released: 2021-04-26
This is the first unstable release in the series that will lead to 1.12.
New features:
* All instances of the same app-ID share their /tmp directory
* All instances of the same app-ID share their $XDG_RUNTIME_DIR
* Instances of the same app-ID can optionally share their /dev/shm directory
(enabled by a new --allow flag, --allow=per-app-dev-shm)
* Allow a subsandbox to have a different /usr and/or /app.
Steam will use this to launch games with its own container runtime
as /usr (the "Steam Linux Runtime" mechanism).
* enter: Improve support for TUI programs like gdb
* build-update-repo: Add a higher-performance reimplementation of
`ostree prune` specialized for archive-mode repositories
Bug fixes:
* Fix deploys of local remotes in system-helper
* Fix test failures on non-x86_64 systems
* Fix two intermittent test failures
* Make polkit queries non-interactive when operating in non-interactive mode
* Use a local main-context when using libsoup in a thread
* create-usb: Skip copying extra-data flatpaks
* OCI: Switch to pax-format tar archives
* history: Handle transaction log entries with empty REF field
* portal: Fix flatpak-spawn --clear-env on OSs where flatpak is not on
the fallback PATH, such as NixOS
* Fix various issues detected by scan-build
Internal changes:
* Use GNU bison to build parse-datetime.y
* Add information about security support and security vulnerability
reporting (see `SECURITY.md`)
* Move all git submodules into subprojects/ directory
* Several sockets are now created in /run/flatpak in the sandbox, with
symbolic links in $XDG_RUNTIME_DIR
Changes in 1.10.2
~~~~~~~~~~~~~~~~~
Released: 2021-03-10
This is a security update which fixes a potential attack where
a flatpak application could use custom formated .desktop files to
gain access to files on the host system.
Other changes:
* Fix memory leaks
* Some test fixes
* Documentation updates
* G_BEGIN/END_DECLS added to library headders for c++ use
* Fix for X11 cookies on OpenSUSE
* Spawn portal better handles non-utf8 filenames
Changes in 1.10.1
~~~~~~~~~~~~~~~~~
Released: 2021-01-21
* Fix flatpak build on systems with setuid bwrap
* Fix some compiler warnings
* Add --enable-asan configure option
* Fix crash on updating apps with no deploy data
* Update translations
Changes in 1.10.0
~~~~~~~~~~~~~~~~~
Released: 2021-01-14
This is the first stable release after the 1.9.x unstable series.
The major new feature in this series compared to 1.8 is the support
for the new repo format which should make updates faster and download
less data.
This release also contains the security fixes from 1.8.5, so everyone
on the 1.9.x series should update immediately. (CVE-2021-21261)
Other changes since 1.9.3:
* The systemd generator snippets now call flatpak --print-updated-env
in place of a bunch of shell for better login performance.
* The .profile snippets now disable GVfs when calling flatpak to
avoid spawning a gvfs daemon when logging in via ssh.
* Build fixes for GCC 11.
* Flatpak now finds the pulseaudio sockets better in uncommon
configurations.
* Sandboxes with network access it now also has access to the
systemd-resolved socket to do dns lookups.
* Flatpak supports unsetting env vars in the sandbox using --unset-env,
and `--env=FOO=` now sets FOO to the empty string instead of
unsetting it.
* Similarly the spawn portal has an option to unset an env var.
* The spawn portal now has an option to share the pid namespace
with the sub-sandbox.
Changes in 1.9.3
~~~~~~~~~~~~~~~~
Released: 2020-12-22