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poky/documentation/migration-guides/release-notes-5.3.rst
Antonin Godard 0f5246cec9 migration-guides/release-notes-5.3: updates 
Update the release notes and migration manual for 5.3.

This covers commits from bd4625cd4d ("build-appliance-image: Update to
master head revision") to 4a1f38dd8d ("bitbake: knotty, uihelper:
Remove running_pids and lastpids") in Poky.

Acked-by: Quentin Schulz <quentin.schulz@cherry.de>
(From yocto-docs rev: 5cb37206ca0dfaa0dafabb28ebd546b591c88486)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2025-10-29 23:16:34 +00:00

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.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
.. |yocto-codename| replace:: whinlatter
.. |yocto-ver| replace:: 5.3
.. Note: anchors id below cannot contain substitutions so replace them with the
value of |yocto-ver| above.
Release notes for |yocto-ver| (|yocto-codename|)
------------------------------------------------
New Features / Enhancements in |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Linux kernel 6.16, gcc 15, glibc 2.42, LLVM 21.1.1, and over 300 other
recipe upgrades.
- Minimum Python version required on the host: 3.9.
- Host requirements changes:
- The minimum disk space requirement is now 140Gbytes (previously 90Gbytes).
- The minimum RAM requirement is now 32Gbytes (previously 8Gbytes).
- These changes are mainly due to recent additions of the LLVM and other
resource heavy recipes. For guidance on how to limit the resources used by
the :term:`OpenEmbedded Build System`, see the
:doc:`/dev-manual/limiting-resources` guide.
- BitBake changes:
- ``codeparser``: Add function decorators for ``vardeps``
Adds ``bb.parse.vardeps`` and ``bb.parse.excludevardeps`` function
decorators that can be used to explicitly add or exclude variables from a
Python function parsed by :term:`BitBake`.
Move ``vardepexclude`` flag entries alongside functions for
maintainability.
- Fetcher:
- Check for ``git-lfs`` existence before using it.
- Add support for ``.debs`` files containing uncompressed data tarballs.
- ``az``: Add sanity check to check that :term:`AZ_SAS` starts with ``?``
to mark the start of the query parameters.
- ``git``:
- Add the tag to shallow clone tarball name.
- Verify if local clones contains a tag, when the ``tag=`` parameter
is used in :term:`SRC_URI`.
- ``knotty``:
- Pass failed task logs through the log infrastructure (use
``bb.plain()`` instead of ``print()``).
- Improve refresh rate of the footer progress bar.
- Add support for automatically promoting class inherits to deferred
inherits by listing them in the :term:`BB_DEFER_BBCLASSES` variable.
- "Built-in" fragments support is now added to the :ref:`addfragments
<bitbake-user-manual/bitbake-user-manual-metadata:\`\`addfragments\`\`
directive>` directive. This is the fourth parameter to this directive, and
should be the name of the variable that contains definitions of built-in
fragments. Refer to the documentation of :ref:`addfragments
<bitbake-user-manual/bitbake-user-manual-metadata:\`\`addfragments\`\`
directive>` to learn how to define new built-in fragments.
Listing these built-in fragments can be done with
:oe_git:`bitbake-config-build
list-fragments</bitbake/tree/bin/bitbake-config-build>`, which could
list::
Available built-in fragments:
machine/... Sets MACHINE = ...
distro/... Sets DISTRO = ...
In the above example, this means that the :term:`MACHINE` of
:term:`DISTRO` can be overridden with::
OE_FRAGMENTS += "machine/qemuarm64 distro/poky-bleeding"
This would set :term:`MACHINE` to ``qemuarm64`` and the :term:`DISTRO` to
``poky-bleeding``.
- The ``tag-`` parameter in URLs can now be specified alongside the ``rev=``
parameter and :term:`SRCREV` variable, and will ensure that the
specified tag matches the specified revision.
It is **strongly encouraged** to include the ``tag=`` parameter to the
:term:`SRC_URI` definition when possible.
- ``tinfoil``: add a ``wait_for`` decorator to wrap a function that makes an
asynchronous tinfoil call wait for event to say that the call has been
successful, or an error has occurred.
- New ``bb.utils.to_filemode()`` helper function which is a helper to take a
variable's content containing a filemode and convert it to the proper
Python representation of the number.
- ``cooker``: Use a shared counter for processing parser jobs. This allows
the parser processes to run independently of needing to be feed by the
parent process, and load balances them much better.
- ``cooker/process/utils``: Add a ``-P`` (``--profile``) option to
:term:`BitBake` to specify what to profile. Can be "main", "idle" or
"parsing". Split the reports in separate files.
- A "filtering" functionality was added and allows modifying the value of a
variable before its value is returned by :term:`BitBake`. The
``setVarFilter`` API can be used for applying the filters, but it is
**not** recommended for general use. It was added for internal use in
the :term:`OpenEmbedded Build System` in the :ref:`ref-classes-native`
class. The list of filters that are allowed are derived from a select
list of functions that must be added using a ``filter_proc`` decorator.
- ``tests/parse``: Add tests for ``include``, ``require`` and
``include_all``.
- Toolchain changes:
- The Clang/LLVM toolchain can now be used as part of the build.
The :term:`PREFERRED_TOOLCHAIN_TARGET`, :term:`PREFERRED_TOOLCHAIN_NATIVE`
and :term:`PREFERRED_TOOLCHAIN_SDK` variables can be used to customize the
selected toolchain globally.
There are two supported toolchains: "gcc" and "clang". See the
documentation of :term:`PREFERRED_TOOLCHAIN_TARGET` for more details.
The toolchain is also customizable on a per-recipe basis, using the
:term:`TOOLCHAIN` and :term:`TOOLCHAIN_NATIVE` variables.
.. warning::
The :term:`TOOLCHAIN` should **not** be set globally. For overriding
the toolchain globally, use :term:`PREFERRED_TOOLCHAIN_TARGET`,
:term:`PREFERRED_TOOLCHAIN_NATIVE` and :term:`PREFERRED_TOOLCHAIN_SDK`.
- Multiple recipes were pinned to use the GCC/Binutils toolchain as they do
not support being built with Clang/LLVM yet. In these recipes the
:term:`TOOLCHAIN` variable is set to "gcc".
- Global configuration changes:
- ``bitbake.conf/pseudo``: Switch from exclusion list to inclusion list by
swapping :term:`PSEUDO_IGNORE_PATHS` for :term:`PSEUDO_INCLUDE_PATHS`
which should be easier and more explicit to maintain.
- ``bitbake.conf``: Drop ``lz4`` from :term:`HOSTTOOLS`, as it is not
required anymore, and the ``lz4-native`` package is used instead.
- :term:`Configuration Fragments <Configuration Fragment>`:
- Add a fragment for the `CDN` :ref:`sstate-cache
<overview-manual/concepts:shared state cache>` mirror.
- Add a ``show-fragments`` sub-command to the
:oe_git:`bitbake-config-build </bitbake/tree/bin/bitbake-config-build>`
utility, to show the content of fragments from command-line.
- ``default-distrovars``: set an empty default for :term:`LICENSE_PATH`.
- The default definition of :term:`UNPACKDIR` is no longer
``sources-unpack`` but ``sources``.
- The default value for :term:`IMAGE_FSTYPES` (defined in
:oe_git:`bitbake.conf </openembedded-core/tree/meta/conf/bitbake.conf>`)
is now ``tar.zst`` (previously ``tar.gz``).
- Remove the ``meta/conf/distro/include/distro_alias.inc`` include file,
which associated a recipe name to one or more Distribution package name.
This file is not used and maintained anymore.
- A new configuration file :ref:`structure-build-conf-toolcfg.conf` is now
used by :oe_git:`bitbake-config-build </bitbake/tree/bin/bitbake-config-build>`
to manage :term:`Configuration Fragments <Configuration Fragment>`.
- ``bitbake.conf``: add :term:`TMPDIR` to the ``GIT_CEILING_DIRECTORIES``
Git variable. This avoids Git trying to find a repository higher than
:term:`TMPDIR` in recipes that use the :ref:`structure-build-work-shared`
directory for storing their sources. This fixes reproducibility issues.
- Changes to the ``genericarm64`` machine configuration:
- Increase the :term:`Initramfs` maximum size.
- Install extra Linux firmware packages to fix Linux kernel warnings.
- New variables:
- The ``VIRTUAL-RUNTIME_dbus`` variable, to allow changing the runtime
implementation of D-Bus. See :term:`VIRTUAL-RUNTIME`.
- The ``VIRTUAL-RUNTIME_libsdl2`` variable, to allow changing the runtime
implementation of `libsdl2 <https://www.libsdl.org/>`__. See
:term:`VIRTUAL-RUNTIME`.
- The :term:`SPDX_PACKAGE_URL` variable can be used in recipes to set the
output ``software_packageUrl`` field in their associated SPDX 3.0 output
(default value: empty string).
- The :term:`KMETA_CONFIG_FEATURES` variable can be used to control
:ref:`ref-classes-kernel-yocto` configuration features. For now only
``prefer-modules`` is supported for this variable.
- The :term:`TESTSDK_SUITES` variable can be used to control the list of
tests run for the :ref:`ref-classes-testsdk` class.
- The :term:`UBOOT_FIT_CONF_FIRMWARE` can be used to specify a ``firmware``
entry in the configuration node of a FIT image.
- The :term:`SPDX_INCLUDE_COMPILED_SOURCES` option allows the same as
:term:`SPDX_INCLUDE_SOURCES` but including only the sources used to
compile the host tools and the target packages.
- The :term:`UBOOT_VERSION` variable holds the package version
(:term:`PV`) and revision (:term:`PR`) which are part of the installed and
deployed filenames. Users can now override :term:`UBOOT_VERSION` to
changes the output filenames.
- The :term:`UBOOT_MAKE_OPTS` variable specifies extra options passed to
``make`` when building U-boot. Extra options can also be passed as the
fourth argument of the :term:`UBOOT_CONFIG` variable. See the
documentation of :ref:`ref-classes-uboot-config` class for more details.
- Kernel-related changes:
- ``linux/generate-cve-exclusions``: use data from CVEProject instead of
the archived https://linuxkernelcves.com.
- ``kernel-yocto``: allow annotated options to be modified. For example if
the following kernel configuration is set::
CONFIG_INET_TUNNEL=y # OVERRIDE:$MODULE_OR_Y
And if the :term:`KMETA_CONFIG_FEATURES` variable contains
``prefer-modules``, ``CONFIG_INET_TUNNEL`` will be set to ``m`` instead of
``y``.
- ``kernel-devsrc``: Replace the extra ``System.map`` file with symbolic
link.
- ``kernel-module-split``: Allow for external configuration files being
assigned to the correct kernel module package.
- When built for the RISC-V architecture, ensure that the minimum required
features set by :term:`TUNE_FEATURES` are set using the
:ref:`ref-classes-features_check` class.
- ``linux-yocto``: when built for RISC-V, enable features in
:term:`KERNEL_FEATURES` based on features listed in :term:`TUNE_FEATURES`.
- ``perf``: Enable ``coresight`` if enabled in :term:`MACHINE_FEATURES`.
- New core recipes:
- ``python3-pdm``, ``python3-pdm-backend`` and ``python3-pdm-build-locked``,
which are dependencies of ``python3-webcolors``. ``python3-pdm`` itself
depends on ``python3-pdm-build-locked``
- ``bindgen-cli``: a tool to generate Rust bindings.
- ``python3-colorama``: Cross-platform colored terminal text, needed by
``pytest`` as a dependency.
- ``libglvnd``: imported from :oe_git:`meta-oe
</meta-openembedded/tree/meta-oe>` which provides a vendor neutral
approach to handling OpenGL / OpenGL ES / EGL / GLX libraries.
- ``python3-sphinx-argparse``: A sphinx extension that automatically
documents ``argparse`` commands and options. It is part of
``buildtools-docs-tarball`` for later use in the Yocto Project
documentation.
- ``python3-sphinx-copybutton``: A sphinx extension that adds a copy button
to code blocks in Sphinx. It is part of ``buildtools-docs-tarball`` for later
use in the Yocto Project documentation.
- ``python3-coherent-licensed``: License management tooling for `Coherent
System` and skeleton projects. It became a new dependency of
``python3-zipp``.
- ``gn``: a commonly used build tool to generate `ninja
<https://ninja-build.org/>`__ files.
- LLVM/Clang related recipes:
- ``clang``: LLVM based C/C++ compiler.
- ``compiler-rt``: LLVM based C/C++ compiler Runtime.
- ``libclc``: Implementation of the library requirements of the OpenCL C
programming language.
- ``libcxx``: new implementation of the C++ standard library, targeting
C++11 and above
- ``llvm-tblgen-native``: LLVM TableGen binaries for the build host,
often used to build LLVM projects.
- ``lld``: the LLVM Linker.
- ``lldb``: LLDB debugger for LLVM projects.
- ``llvm-project-source``: canonical git mirror of the LLVM subversion
repository.
- ``llvm``: The LLVM Compiler Infrastructure.
- ``openmp``: LLVM OpenMP compiler Runtime.
- ``kernel-signing-keys-native``: this recipe is used in the
:ref:`ref-classes-kernel-fit-image` class to generate a pair of RSA
public/private key. It replaces the ``do_generate_rsa_keys`` of the
:ref:`ref-classes-kernel-fit-image` class.
- New :term:`DISTRO_FEATURES`:
- ``glvnd``, which enables OpenGL Vendor Neutral Dispatch Library
support when using recipes such as ``mesa``.
- ``opencl``: support for the :wikipedia:`OpenCL (Open Computing Language)
<OpenCL>` framework.
- New core classes:
- The new :ref:`ref-classes-kernel-fit-image` class replaces the previous
``kernel-fitimage`` class. It has been rewritten and improved to fix
:yocto_bugs:`bug 12912</show_bug.cgi?id=12912>`. See the :ref:`Removed
Classes <migration-guides/migration-5.3:Removed Classes>` section of the
Migration notes for |yocto-ver| (|yocto-codename|) for more details on how
to switch to this new class.
- The new :ref:`ref-classes-go-mod-update-modules` class can be used to
maintain Go recipes that use a ``BPN-go-mods.inc`` and
``BPN-licenses.inc`` and update these files automatically.
- The new :ref:`ref-classes-python_pdm` class supports building Python
recipes with the `PDM <https://pdm-project.org/>`__ package and dependency
manager.
- Architecture-specific changes:
- Rework the RISC-V :term:`TUNE_FEATURES` to make them based of the RISC-V
ISA (Instruction Set Architecture) implementation.
This implements the following base ISAs:
- ``rv32i``, ``rv64i``
- ``rv32e``, ``rv64i``
The following ABIs:
- ``ilp32``, ``ilp32e``, ``ilp32f``, ``ilp32d``
- ``lp64``, ``lp64e``, ``lp64f``, ``lp64d``
The following ISA extension are also implemented:
- M: Integer Multiplication and Division Extension
- A: Atomic Memory Extension
- F: Single-Precision Floating-Point Extension
- D: Double-Precision Floating-Point Extension
- C: Compressed Extension
- B: Bit Manipulation Extension (implies Zba, Zbb, Zbs)
- V: Vector Operations Extension
- Zicsr: Control and Status Register Access Extension
- Zifencei: Instruction-Fetch Fence Extension
- Zba: Address bit manipulation extension
- Zbb: Basic bit manipulation extension
- Zbc: Carry-less multiplication extension
- Zbs: Single-bit manipulation extension
- Zicbom: Cache-block management extension
The existing processors tunes are preserved:
- ``riscv64`` (``rv64gc``)
- ``riscv32`` (``rv32gc``)
- ``riscv64nf`` (``rv64imac_zicsr_zifencei``)
- ``riscv32nf`` (``rv32imac_zicsr_zifencei``)
- ``riscv64nc`` (``rv64imafd_zicsr_zifencei``)
See :oe_git:`meta/conf/machine/include/riscv/README
</openembedded-core/tree/meta/conf/machine/include/riscv/README>` for more
information.
- Add support for new Arm64 instruction sets, which are represented as files
to be included in :term:`MACHINE` configuration in :term:`OpenEmbedded-Core
(OE-Core)`. The new configuration files are:
- :oe_git:`conf/machine/include/arm/arch-armv8-7a.inc </openembedded-core/tree/meta/conf/machine/include/arm/arch-armv8-7a.inc>`
- :oe_git:`conf/machine/include/arm/arch-armv8-8a.inc </openembedded-core/tree/meta/conf/machine/include/arm/arch-armv8-8a.inc>`
- :oe_git:`conf/machine/include/arm/arch-armv9-1a.inc </openembedded-core/tree/meta/conf/machine/include/arm/arch-armv9-1a.inc>`
- :oe_git:`conf/machine/include/arm/arch-armv9-2a.inc </openembedded-core/tree/meta/conf/machine/include/arm/arch-armv9-2a.inc>`
- :oe_git:`conf/machine/include/arm/arch-armv9-3a.inc </openembedded-core/tree/meta/conf/machine/include/arm/arch-armv9-3a.inc>`
- ``arch-mips.inc``: Use ``-EB``/``-EL`` for denoting Endianness.
- Enable ``riscv32`` as supported arch for ``musl`` systems.
- Powerpc: Use ``-maltivec`` in compiler flags if ``altivec`` is in
:term:`TUNE_FEATURES`.
- ``arm``: add a ``nocrypto`` feature to :term:`TUNE_FEATURES` to complement
the ``crypto`` feature to explicitly disable cryptographic extensions via
`GCC` flags.
This lead to the creation of two new tunes:
- ``tune-cortexa72-nocrypto``
- ``tune-cortexa53-nocrypto``
- QEMU / ``runqemu`` changes:
- Refactor :ref:`ref-classes-qemu` functions into library functions (in
:oe_git:`lib/oe/qemu.py </openembedded-core/tree/meta/lib/oe/qemu.py>`).
- The ``qemux86-64`` :term:`MACHINE` now defaults to the ``x86-64-v3``
micro-architecture level.
The previous default was Core 2 era processors. This change means that the
toolchain is configured to build for that level, and QEMU is configured to
emulate it.
The v3 level adds support for AVX/AVX2/BMI/BMI2/F16C and other newer
instructions which are seeing increasing usage in modern software and add
performance benefits. Please see :wikipedia:`X86-64 Microarchitecture
levels <X86-64#Microarchitecture_levels>` for definition of the levels and
lists of Intel/AMD CPUs where support for the instructions was first
added.
Note that if QEMU system emulation is used on an x86 build machine with
:wikipedia:`KVM <Kernel-based_Virtual_Machine>` enabled, then the build
machine's CPU must also be recent enough to support these instructions
natively.
- ``runqemu``:
- The script can now run compressed images with snapshot mode. For
example, with :term:`IMAGE_FSTYPES` containing ``ext4.zst``, you can run::
runqemu snapshot ext4.zst <image-recipe>
- Add support for the ``erofs`` filesystem.
- The :term:`BitBake` environment is now a requirement, and the script
cannot run without a successful call to ``bitbake -e``.
The script will also raise an error with the ``bitbake`` command is not
found.
- Documentation changes:
- Add documentation on :term:`Configuration Fragments <Configuration
Fragment>`:
- :doc:`/ref-manual/fragments`
- :doc:`/dev-manual/creating-fragments`
- Part of :term:`BitBake` internals are now documented at
:yocto_docs:`/bitbake/bitbake-user-manual/bitbake-user-manual-library-functions.html`.
- A new :doc:`/dev-manual/limiting-resources` guide was created to help
users limit the resources used by the :term:`OpenEmbedded Build System`.
- A new :doc:`/dev-manual/hashequivserver` guide was created to help users
setting up a :ref:`overview-manual/concepts:Hash Equivalence` server.
- The QA checks defined in the :term:`OpenEmbedded Build System` were
gathered in :doc:`/ref-manual/qa-checks`.
- Core library changes:
- Add :oe_git:`license_finder.py </openembedded-core/tree/meta/lib/oe/license_finder.py>`,
which was extracted from ``recipetool`` to be shared for multiple users.
Improve its functionalities.
- Go changes:
- :ref:`ref-classes-go-mod-update-modules`: Update license finding to use
the new ``find_licenses_up`` library function.
- Rust changes:
- ``rust-llvm``:
- Compile LLVM to use dynamic libraries. This reduces the
size of ``llvm-rust`` to about a third.
- Disable the following feature through configuration
(:ref:`ref-tasks-configure`): libedit, benchmarks.
- Add the ``has-thread-local`` option to the
:ref:`ref-classes-rust-target-config` class.
- Wic Image Creator changes:
- After a Python upgrade, WIC plugins containing dashes (``-``) for their
filenames are **no longer supported**. One must convert the dashed to
underscores (``_``) and update users of the plugins accordingly.
See the :ref:`migration-guides/migration-5.3:Wic plugins containing dashes
should be renamed` section of the Yocto Project 5.3 Migration Guide for
more information.
- ``wic``: do not ignore :term:`IMAGE_ROOTFS_SIZE` if the Rootfs is
modified.
- Several improvements in WIC selftests.
- ``bootimg_efi.py``: fail build if no binaries are installed.
- Add new options to the ``wic`` ``ls``, ``cp``, ``rm``, and ``write``
commands:
- ``--image-name``: name of the image to use the artifacts from.
- ``--vars``: directory with ``<image>.env`` files that store
:term:`BitBake` variables. This directory is usually found in
:term:`STAGING_DIR`.
- Add the Wic-specific option ``--extra-partition-space`` to add extra empty
space after the space filled by the filesystem in the partition.
- The Wic-specific option ``--extra-space`` has a new alias
``--extra-filesystem-space``.
- ``bootimg_pcbios``: move Syslinux install into separate functions, to make
it easier to add new bootloaders.
The Grub bootloader can now be installed with this Wic plugin.
- Add the Wic plugin ``extra_partition`` to install files from the
:term:`DEPLOY_DIR_IMAGE` directory into an extra non-rootfs partition. See the
:term:`IMAGE_EXTRA_PARTITION_FILES` variable for more information.
- SDK-related changes:
- Include additional information about Meson setting in the SDK environment
setup script (host system, CPU family, etc.).
- Add Go to :term:`SDK_TOOLCHAIN_LANGS`, except for the following
architecture on which this is not supported:
- RISC-V 32 bits (``rv32``)
- PowerPC
- Image-based SDKs can now include `Zsh` completions by adding the
``zsh-completion-pkgs`` feature to the :term:`IMAGE_FEATURES` variable in
the image recipe.
- Testing-related changes:
- ``bitbake/tests/fetch``: Add tests for ``gitsm`` with git-lfs.
- ``bitbake/lib/bb/tests/fetch``: add a test case to ensure Git shallow
fetch works for tag containing slashes.
- :ref:`ref-classes-testexport`: capture all tests and data from all layers
(instead of the :term:`OpenEmbedded-Core (OE-Core)` layer only).
- OEQA:
- SDK:
- Add a test to sanity check that the generated SDK manifest was
parsed correctly and isn't empty.
- Add a test to verify the manifests are generated correctly.
- Add helpers to check for and install packages.
- Add check that meson has detected the target correctly.
- Simplify test specification and discovery:
- Introduce the ``TESTSDK_CASE_DIRS`` variable to specify test
directory types, replacing the need to modify the ``default_cases``
class member.
- Discover tests from configured layers using a common discovery
pattern (``<LAYER_DIR>/lib/oeqa/<dirname>/cases``) where
``<dirname>`` is specified in ``TESTSDK_CASE_DIRS``.
- The "buildtools" directories were renamed to follow the common
discovery pattern (``<LAYER_DIR>/lib/oeqa/<dirname>/cases``) for
consistency across all SDK configurations.
- ``selftest/reproducible``: Limit memory used by ``diffoscope`` to avoid
triggering OOM kills.
- Add tests for the :ref:`ref-classes-devicetree` class.
- Tests for the :ref:`ref-classes-kernel-fit-image` class have been
reworked and improved.
- ``data.py``: add ``skipIfNotBuildArch`` decorator, to skip tests if
:term:`BUILD_ARCH` is not in present in the specified tuple.
- ``selftest``: add new test for toolchain switching.
- ``utils/command``: add a fast-path ``get_bb_var()`` that uses
``bitbake-getvar`` instead of ``bitbake -e`` when there is not
``postconfig`` argument passed.
- ``core/case``: add file exists assertion test case.
- ``context.py``: use :term:`TEST_SUITES` if set.
- ``runqemu``: add new test for booting compressed images.
- General improvements of the parallelization of tests, namely fixing
some tests that could spawn an unlimited number of threads leading to
OOM kills.
- A new SDK test is now running for Go after ``go`` was added to
:term:`SDK_TOOLCHAIN_LANGS`.
- Commands sent over SSH (using the ``OESSHTarget`` class) will now error
when an SSH failure occurs. It is possible to ignore these errors by
passing ``ignore_ssh_fails`` when executing a command.
- Utility script changes:
- ``sstate-cache-management``: add a ``--dry-run`` argument
- ``yocto-check-layer``:
- Expect success for ``test_patches_upstream_status``. This means that
patch files *must* include an ``Upstream-Status`` to pass with this
script.
- Show the :term:`DISTRO` used when running the script.
- :ref:`ref-classes-yocto-check-layer` class:
- Refactor to be extended easily.
- Add a ``check_network_flag`` test that checks that no tasks other
than :ref:`ref-tasks-fetch` can access the network.
- ``send-error-report``:
- Respect URL scheme in server name if it exists.
- Drop ``--no-ssl`` as the server URL specifies it with ``http://`` or
``https://``.
- ``buildstats.py``:
- Extend disk stats support for NVMe and flexible token count.
- Add tracking of network I/O per interface.
- ``buildstats-diff``: find last two Buildstats files if none are specified.
- ``pybootchartgui``:
- visualize ``/proc/net/dev`` network stats in graphs.
- account for network statistics when calculating extents.
- Packaging changes:
- Export ``debugsources`` in :term:`PKGDESTWORK` as JSON. The source
information used during packaging can be use from other tasks to have more
detailed information on the files used during the compilation and improve
SPDX accuracy.
- When using the ``ipk`` and ``rpm`` package managers, give out more possible
reasons about unmatched packages.
For example::
E: Package 'catch2' has no installation candidate
catch2 is a recipe. Its generated packages are: ['catch2-src', 'catch2-dbg', 'catch2-staticdev', 'catch2-dev', 'catch2-doc']
Either specify a generated package or set ALLOW_EMPTY:${PN} = "1" in catch2 recipe
- ``package.py``: replace all files unconditionally when copying debug
sources (passing ``-u`` to the ``cpio`` command in
``copydebugsources()``). This improves reproducibility.
- LLVM related changes:
- Like ``gcc-source``, the LLVM project sources are part of ``work-shared``
under :term:`TMPDIR`. The project codebase is large and sharing it offers
performance improvements.
- SPDX-related changes:
- ``spdx30``: Provide ``software_packageUrl`` field
- ``spdx30_tasks``: Change recipe license to "declared" (instead of
"concluded")
- ``create-spdx-2.2``: support to override the version of a package in SPDX
2 through :term:`SPDX_PACKAGE_VERSION`.
- ``devtool`` and ``recipetool`` changes:
- Use ``lib/oe/license_finder`` to extract the license from source code.
- Calculate source paths relative to :term:`UNPACKDIR`.
- Allow ``recipe create`` handlers to specify bitbake tasks to run.
- ``create_go``: Use :ref:`ref-classes-go-mod` class instead of
:ref:`ref-classes-go-vendor`.
- Go recipes are now generated with help of the new
:ref:`ref-classes-go-mod-update-modules` class.
- Add a new :oe_git:`improve_kernel_cve_report.py
</openembedded-core/tree/meta/scripts/contrib/improve_kernel_cve_report.py>`
script in ``scripts/contrib`` for post-processing of kernel CVE data.
- Handle workspaces for multiconfig.
- Fix upgrade for recipes with Git submodules.
- Patchtest-related changes:
- Multiple improvements to the tool's :oe_git:`README
</openembedded-core/tree/scripts/patchtest.README>`.
- Don't match :term:`BitBake` Python expansions as GitHub usernames
(``${@...}`` syntax).
- Security changes:
- ``openssl``: add FIPS support. This can be enabled through the ``fips``
:term:`PACKAGECONFIG`.
- :ref:`ref-classes-cve-check` class changes:
- ``cve-update-db-native``: FKIE: use Secondary metric if there is no
Primary metric.
- New :term:`PACKAGECONFIG` options for individual recipes:
- ``ppp``: ``l2tp``, ``pptp``
- ``dropbear``: ``x11`` (renamed from ``enable-x11-forwarding``)
- ``gdb``: ``source-highlight``
- ``gstreamer1.0-plugins-bad``: ``analytics``
- ``mtd-utils``: ``ubihealthd-service``
- ``openssl``: ``fips``
- ``qemu``: ``sdl-image``, ``pixman``
- ``wget``: ``pcre2``
- ``mesa``: ``asahi``, ``amd``, ``svga``, ``teflon``, ``nouveau``,
``xmlconfig``
- ``dbus``: ``traditional-activation``, ``message-bus``
- ``cmake``: ``debugger``
- ``libcxx``: ``unwind-cross``
- ``tiff``: ``lerc``
- ``freetype``: ``brotli``
- ``gawk``: ``pma-if-64bit``
- ``x264``: ``ffmpeg``, ``opencl``
- Systemd related changes:
- Enable getty generator by default by adding ``serial-getty-generator`` to
:term:`PACKAGECONFIG`.
- Now uses the :term:`USE_NLS` variable to enable or disable building
translations.
- Fix deduplicated templates and instance lines in preset files when listing
both template and instances in :term:`SYSTEMD_SERVICE`.
- Stop enabling non-standard MAC policy when using the 'pni-names' feature
(part of :term:`DISTRO_FEATURES`). Instead, follow what is provided by
upstream systemd.
- Install ``systemd-sysv-install`` when using the
``systemd-systemctl-native`` recipe.
- :ref:`ref-classes-sanity` class changes:
- :ref:`ref-classes-insane`: Move test for invalid :term:`PACKAGECONFIG` to
:ref:`ref-tasks-recipe-qa`.
- Add ``unimplemented-ptest`` detection for cargo-based tests, allowing to
detect when a cargo package has available tests that could be enable with
:doc:`Ptest </test-manual/ptest>`.
- Add a test for recipe naming/class mismatches.
- Add a sanity test for "bad" gcc installs on Ubuntu 24.04. The host should
install ``libstdc++-14-dev`` instead of ``libgcc-14-dev`` to avoid build
issues when building :ref:`ref-classes-native` with Clang.
- Drop the ``var-undefined`` QA check as it was not relevant for the
variables it was checking, as those are mandatory by default.
- U-boot related changes:
- :ref:`ref-classes-uboot-sign`: Add support for setting firmware property
in FIT configuration with :term:`UBOOT_FIT_CONF_FIRMWARE`.
- :ref:`ref-classes-uboot-sign`: Add support for signing U-Boot FIT image
without an SPL. The :term:`SPL_DTB_BINARY` variable can be set to an empty
string to indicate that no SPL is present.
- When built for the RISC-V architecture, read the :term:`TUNE_FEATURES`
variable to automatically set U-boot configuration options (for example
``CONFIG_RISCV_ISA_F``).
- Improve the way build directories are split when having multiple
configurations listed in :term:`UBOOT_CONFIG`. This fixes an issue where
two or more of these configurations were using the same directory for
building (because these were using the same defconfig file).
- Miscellaneous changes:
- ``dropbear``: The ``dropbearkey.service`` can now take extra arguments for
key generation, through ``/etc/default/dropbear``.
- ``initscripts``: add ``log_success_msg``/``log_failure_msg``/``log_warning_msg``
functions for logging in initscripts.
- ``connman``:
- Mark ``iptables`` and ``nftables`` feature of :term:`PACKAGECONFIG`
mutually incompatible.
- Set ``dns-backend`` automatically to ``systemd-resolved``
when ``systemd-resolved`` is part of :term:`DISTRO_FEATURES`.
- ``uninative``: show errors if installing fails.
- ``meson``: Allow user to override setup command options by exporting
``MESON_SETUP_OPTS`` in a recipe.
- :ref:`ref-classes-cmake`: Enhance to emit a native toolchain CMake file.
This is part of improvements allowing to use ``clang`` in an SDK.
- Fix the runtime version of several recipes (they now return the effective
version instead of a default string like "Unknown").
- :ref:`ref-classes-module`: add ``KBUILD_EXTRA_SYMBOLS`` to the install
command.
- ``rpm-sequoia``: add :doc:`Ptest </test-manual/ptest>` support.
- ``libunwind``: disable installation of tests directory with
``--disable-tests``, which can be installed with the ``libunwind-ptest``
package instead.
- ``boost``: add ``process`` library to the list of built libraries.
- ``base-files``: add ``nsswitch-resolved.conf``, only installed if
``systemd`` and ``systemd-resolved`` is part of :term:`DISTRO_FEATURES`.
- ``nfs-utils``: don't use signals to shut down the NFS server in the
associated initscript, instead use ``rpc.nfsd 0``.
- ``readline``: enable HOME, END, INSERT, and DELETE key bindings in
``inputrc``.
- Switch to a new :ref:`sstate-cache <overview-manual/concepts:shared state
cache>` CDN (http://sstate.yoctoproject.org).
- :ref:`ref-classes-sstate`: Apply a proper :manpage:`umask` when fetching
from :term:`SSTATE_MIRRORS`.
- ``kernel-devsrc``: make package version consistent with kernel source (by
inheriting :ref:`ref-classes-kernelsrc`).
- :ref:`ref-classes-externalsrc`: Always ask Git for location of ``.git``
directory (may be different from the default ``${S}/.git``).
- :ref:`ref-classes-features_check`: Add support for :term:`REQUIRED_TUNE_FEATURES`.
- ``openssh``: limit read access to ``sshd_config`` file (set its filemode
to ``0600``).
- ``barebox-tools`` now installs the ``rk-usb-loader`` utility.
- The :ref:`ref-classes-setuptools3_legacy` class now supports the
:ref:`qa-check-pep517-backend` QA check.
- The :ref:`ref-classes-ccache` class now supports using `Ccache` for native
recipes when the local build configuration contains::
ASSUME_PROVIDED += "ccache-native"
HOSTTOOLS += "ccache"
- :ref:`ref-classes-python_pep517`: use ``pyproject-build`` instead of
calling the module with ``nativepython3``.
- ``dbus-glib``: include the binding tools separately into the
``${PN}-tools`` package.
- ``dbus``: use the :ref:`ref-classes-systemd` class to handle the unit
files of D-Bus.
- ``dpkg``: add :ref:`ptest <test-manual/ptest:testing packages with ptest>`
support.
- ``shared-mime-info``: Now uses the :term:`USE_NLS` variable to enable
building translations.
- ``p11-kit``: Now uses the :term:`USE_NLS` variable to enable building
translations.
- ``babeltrace2``: Enable Python plugins
- ``initramfs-framework``: mount a temporary filesystem on ``/run`` and move
it to the root filesystem directory before calling ``switch_root``.
- ``python3``: Pass ``PLATFORM_TRIPLET`` explicitly when cross compiling to
make the build deterministic instead of letting Python detect the platform
triplet (``${HOST_ARCH}-${HOST_OS}``).
- ``pulseaudio``: Add the ``audio`` group explicitly if
``pulseaudio-server`` is used.
- ``oe/license_finder``: Add ``find_licenses_up`` function to find licenses
upwards until reaching a predefined top directory (as an argument).
- ``mesa``:
- Build Mesa's Asahi tools when ``asahi`` is part of the recipe's
:term:`PACKAGECONFIG` variable.
- The ``mesa`` recipe now declares two new :term:`PROVIDES` for Vulkan
and OpenCL ICD. These virtual provider are respectively named
``virtual-opencl-icd`` and ``virtual-vulkan-icd``.
- ``mesa-demos``: split info tools to a separate package ``mesa-demos-info``.
- ``vte``: skip :ref:`ref-classes-gobject-introspection` with Clang on Arm,
as it caused build failures.
- ``shadow``: Increase the maximum group name length from 24 to 32 (default
value provided by upstream recipe, was previously hardcoded to 24).
- ``udev-extraconf``: Speed up the ``mount.sh`` script by passing the block
device of interest to ``blkid`` when getting partition label names.
- ``piglit``: enable OpenCL support if ``opencl`` is part of the
:term:`DISTRO` features.
Known Issues in |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Recipe License changes in |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following changes have been made to the :term:`LICENSE` values set by recipes:
.. list-table::
:widths: 20 40 40
:header-rows: 1
* - Recipe
- Previous value
- New value
* - ``recipe name``
- Previous value
- New value
Security Fixes in |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following CVEs have been fixed:
.. list-table::
:widths: 30 70
:header-rows: 1
* - Recipe
- CVE IDs
* - ``recipe name``
- :cve_nist:`xxx-xxxx`, ...
Recipe Upgrades in |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following recipes have been upgraded:
.. list-table::
:widths: 20 40 40
:header-rows: 1
* - Recipe
- Previous version
- New version
* - ``recipe name``
- Previous version
- New version
Contributors to |yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Thanks to the following people who contributed to this release:
Repositories / Downloads for Yocto-|yocto-ver|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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