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(From yocto-docs rev: 45b67c5a37d560738037478b28cb7eb3d2f8e966) Signed-off-by: Ross Burton <ross.burton@arm.com> Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
207 lines
6.8 KiB
ReStructuredText
207 lines
6.8 KiB
ReStructuredText
.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
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Release notes for 4.3 (nandbield)
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----------------------------------
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New Features / Enhancements in 4.3
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- Linux kernel 6.5 and 6.1, gcc 13, glibc 2.38, LLVM 17, and other recipe upgrades
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- The autobuilder's shared-state artefacts are now available over the `jsDeliver
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<https://jsdelivr.com>`__ Content Delivery Network (CDN).
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See :term:`SSTATE_MIRRORS`.
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- New variables:
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- :term:`CVE_CHECK_STATUSMAP`, :term:`CVE_STATUS`, :term:`CVE_STATUS_GROUPS`,
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replaceing the deprecated :term:`CVE_CHECK_IGNORE`.
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- :term:`FILE_LAYERNAME`: bitbake now sets this to the name of the layer
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containing the recipe
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- :term:`FIT_ADDRESS_CELLS` and :term:`UBOOT_FIT_ADDRESS_CELLS`.
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See details below.
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- :term:`KERNEL_DTBDEST`: directory where to install DTB files.
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- :term:`KERNEL_DTBVENDORED`: whether to keep vendor subdirectories.
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- :term:`KERNEL_LOCALVERSION`: to add a string to the kernel version
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information.
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- :term:`KERNEL_STRIP`: to specify the command to strip the kernel binary.
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- :term:`LICENSE_FLAGS_DETAILS`: add extra details about a recipe license
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in case it is not allowed by :term:`LICENSE_FLAGS_ACCEPTED`.
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- :term:`MESON_TARGET`: to compile a specific Meson target instead of the
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default ones.
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- :term:`OEQA_REPRODUCIBLE_TEST_PACKAGE`: to restrict package managers used
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in reproducibility testing.
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- Layername functionality available through overrides
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Code can now know which layer a recipe is coming from through the newly added :term:`FILE_LAYERNAME`
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variable. This has been added as an override of the form ``layer-<layername>``. In particular,
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this means QA checks can now be layer specific, for example::
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ERROR_QA:layer-core:append = " patch-status"
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This will enable the ``patch-status`` QA check for the core layer.
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- Architecture-specific enhancements:
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- RISCV support is now enabled in LLVM 17.
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- Loongarch support in the :ref:`ref-classes-linuxloader` class and
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``core-image-minimal-initramfs`` image.
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- The ``arch-armv8`` and ``arch-armv9`` architectures are now given
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`Scalable Vector Extension (SVE)
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<https://developer.arm.com/documentation/100891/0612/sve-overview/introducing-sve>`__
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based tune options. Commits:
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:yocto_git:`1 </poky/commit/?id=e4be03be5be62e367a40437a389121ef97d6cff3>`,
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:yocto_git:`2 </poky/commit/?id=8cd5d264af4c346730531cb98ae945ab862dbd69>`.
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- Kernel-related enhancements:
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- The default kernel is the current stable (6.5), and there is also support
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for the latest long-term release (6.1).
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- The list of fixed kernel CVEs is updated regularly using data from
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`linuxkernelcves.com <https://linuxkernelcves.com>`__.
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- A ``showconfig`` task was added to the :ref:`ref-classes-cml1` class, to
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easily examine the final generated ``.config`` file.
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- New core recipes:
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- ``musl-legacy-error``: glibc ``error()`` API implementation still needed
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by a few packages.
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- `python3-beartype <https://beartype.readthedocs.io>`, unbearably fast
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runtime type checking in pure Python.
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- `python3-spdx-tools <https://github.com/spdx/tools-python>`__,
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tools for SPDX validation and conversion.
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- `python3-uritools <https://github.com/tkem/uritools/>`__, replacement for
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the ``urllib.parse`` module.
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- `ttyrun <https://github.com/ibm-s390-linux/s390-tools>`__, starts
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``getty`` programs only when a terminal exists, preventing respawns
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through the ``init`` program.
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- New classes:
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- A ``ptest-cargo`` class was added to allow Cargo based recipes to easily add ptests
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- A :ref:`ref-classes-cargo_c` class was added to allow recipes to make Rust code
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available to C and C++ programs.
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- QEMU / ``runqemu`` enhancements:
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- QEMU has been upgraded to version 8.1
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- Many updates to the ``runqemu`` command.
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- The ``qemu-system-native`` recipe is now built with PNG support, which could be
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useful to grab screeshots for error reporting purposes.
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- Rust improvements:
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- Rust has been upgraded to version 1.70
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- Image-related enhancements:
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- Distribution-related enhancements:
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- The ``poky-altcfg`` distribution enables the ``usrmerge``
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:ref:`distro feature <ref-manual/features:Distro Features>`.
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- wic Image Creator enhancements:
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- FIT image related improvements:
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- New :term:`FIT_ADDRESS_CELLS` and :term:`UBOOT_FIT_ADDRESS_CELLS` variables allowing
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to specify 64 bit addresses, typically for loading U-Boot.
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- SDK-related improvements:
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- Testing:
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- The :ref:`ref-classes-insane` class now adds an :ref:`unimplemented-ptest
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<qa-check-unimplemented-ptest>` infrastructure to detect package sources
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with unit tests but no implemented ptests in the recipe.
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- Utility script changes:
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- New ``scripts/patchtest`` utility to check patches to the
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OpenEmbedded-Core project. See
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:ref:`contributor-guide/submit-changes:validating patches with patchtest`
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for details.
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- BitBake improvements:
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- The BitBake Cooker log now contains notes when the caches are
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invalidated which is useful for memory resident bitbake debugging.
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- Packaging changes:
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- :term:`SPDX` improvements:
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- :term:`SPDX` manifests are now generated by default.
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- Security improvements:
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- Most repositories now include a :yocto_git:`SECURITY.md
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</poky/tree/SECURITY.md>` file with hints for security researchers
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and other parties who might report potential security vulnerabilities.
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- Prominent documentation updates:
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- New :doc:`../contributor-guide/index` document.
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- New :doc:`../dev-manual/security-subjects` chapter in the Development
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Tasks Manual.
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- Long due documentation for the :ref:`ref-classes-devicetree` class.
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- New :ref:`summary about available init systems
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<dev-manual/init-manager:summary>`.
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- New documentation for the :ref:`ref-classes-uboot-sign` class and
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its variables and for the :ref:`ref-classes-kernel-devicetree` class
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variables.
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- Miscellaneous changes:
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- Git based recipes in OE-Core which used the git protocol have been
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changed to use https where possibile. https is now believed to be
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faster and more reliable.
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- The ``os-release`` recipe added a ``CPE_NAME`` to the fields provided, with the
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default being populated from :term:`DISTRO`.
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- The ``psplash`` recipe now accepts a PNG format image through :term:`SPLASH_IMAGES`,
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instead of a harder to generate and modify ``.h`` file.
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Known Issues in 4.3
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~~~~~~~~~~~~~~~~~~~
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Recipe License changes in 4.3
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The following corrections have been made to the :term:`LICENSE` values set by recipes:
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Security Fixes in 4.3
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~~~~~~~~~~~~~~~~~~~~~
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Recipe Upgrades in 4.3
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~~~~~~~~~~~~~~~~~~~~~~
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Contributors to 4.3
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~~~~~~~~~~~~~~~~~~~
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