diff --git a/documentation/migration-guides/release-notes-5.0.rst b/documentation/migration-guides/release-notes-5.0.rst index 0a740688f..1c4b300be 100644 --- a/documentation/migration-guides/release-notes-5.0.rst +++ b/documentation/migration-guides/release-notes-5.0.rst @@ -6,7 +6,7 @@ Release notes for 5.0 (scarthgap) New Features / Enhancements in 5.0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- Linux kernel 6.6, gcc 13.2, glibc 2.39, LLVM 18.1, and over XXX other recipe upgrades +- Linux kernel 6.6, gcc 13.2, glibc 2.39, LLVM 18.1, and over 300 other recipe upgrades - New variables: @@ -14,20 +14,108 @@ New Features / Enhancements in 5.0 internal CVE database for incremental update (instead of a full redownload). + - :term:`RPMBUILD_EXTRA_PARAMS`: support extra user-defined fields without + crashing the RPM package creation. + + - :term:`OPKG_MAKE_INDEX_EXTRA_PARAMS`: support extra parameters for + ``opkg-make-index``. + + - :term:`EFI_UKI_PATH`, :term:`EFI_UKI_DIR`: define the location of UKI + image in the EFI System partition. + - Architecture-specific enhancements: + - ``genericarm64``: a new ``MACHINE`` to represent a 64-bit General Arm + SystemReady platform. + + - Add Power8 tune to PowerPC architecture. + + - ``arch-armv9``: remove CRC and SVE tunes, since FEAT_CRC32 is now mandatory + and SVE/SVE2 are enabled by default in GCC's ``-march=armv9-a``. + - Kernel-related enhancements: + - The default kernel is the current LTS (6.6). + + - Added suport for ``genericarm64``. + - New core recipes: + - `bmaptool `__: a tool for + creating block maps for files and flashing images, being now under Yocto + Project umbrella. + + - ``core-image-initramfs-boot``: a minimal initramfs image, containing just + udev and init, designed to find the main root filesystem and pivot to it. + + - `lzlib `__: a data compression + library that provides LZMA compression and decompression functions. + + - `lzop `__: a compression utility based on LZO + library, that was brought back after a (now reverted) removal. + + - `python3-jsonschema-specifications `__: + the support files for JSON Schema Specifications (meta-schemas and + vocabularies), added as a new dependency of ``python3-jsonschema``. + + - `python3-maturin `__: a project that + allows building and publishing Rust crates as Python packages. + + - `python3-meson-python `__: a + Python build backend that enables Meson build-system for Python packages. + + - `python3-pyproject-metadata `__: + a class to handle PEP 621 metadata, and a dependency for + ``python3-meson-python``. + + - `python3-referencing `__: + another dependency of ``python3-jsonschema``, it provides an + implementation of JSON reference resolution. + + - `python3-rpds-py `__: Python bindings + to the Rust rpds crate, and a runtime dependency for ``python3-referencing``. + + - `python3-sphinxcontrib-jquery `__: + a Sphinx extension to include jQuery on newer Sphinx releases. Recent + versions of ``python3-sphinx-rtd-theme`` hardly depend on it. + + - `python3-yamllint `__: a linter + for YAML files. In U-Boot, the binman tool uses this linter to verify the + configs during compile time. + + - ``systemd-boot-native``: a UEFI boot manager, this time built as native to + provide ``ukify`` tool. + + - `utfcpp `__: a C++ library to handle + UTF-8 encoded strings. It was added as a dependency for ``taglib`` after + its upgrade to v2.0. + + - `vulkan-utility-libraries `__: + a set of libraries to share code across various Vulkan repositories. + + - `vulkan-volk `__: a meta-loader for Vulkan, + needed to support building latest ``vulkan-tools``. + - QEMU / ``runqemu`` enhancements: - QEMU has been upgraded to version 8.2.1 + - ``qemuboot``: support predictable network interface names. + + - ``runqemu``: match ".rootfs." in addition to "-image-" for the rootfs. + - Rust improvements: - Rust has been upgraded to version 1.75 + - The Rust profiler (i.e., PGO - Profile-guided Optimization) options were + enabled back. + + - The Rust's ``oe-selftest`` were enabled, except for ``mips32`` whose tests + are skipped. + + - ``rust-cross-canadian``: added ``riscv64`` to cross-canadian hosts. + - wic Image Creator enhancements: - Allow the imager's output file extension to match the imager's name, @@ -46,19 +134,50 @@ New Features / Enhancements in 5.0 - SDK-related improvements: + - ``nativesdk``: let :term:`MACHINE_FEATURES` be set by ``machine-sdk`` conf + files. + + - ``nativesdk``: prevent :term:`MACHINE_FEATURES` and :term:`DISTRO_FEATURES` + from being backfilled. + - Testing: - Add an optional ``unimplemented-ptest`` QA warning to detect upstream packages with tests, that do not use ptest. + - ``testimage``: retrieve the ptests directory, especially for the logs, + upon ptest failure. + + - ``oeqa``, ``oe-selftest``: add test cases for Maturin (SDK and runtime). + - Utility script changes: - New ``recipetool/create_go.py`` script added to support Go recipe creation + - ``oe-init-build-env`` can generate a initial configuration (.vscode) for + VSCode and yocto.bitbake extension. + - BitBake improvements: + - Add support for :term:`BB_LOADFACTOR_MAX`, so Bitbake can stop running + extra tasks if the system load is too high, especially in distros where + ``/proc/pressure`` is disabled. + + - Add garbage collection to remove unused unihashes from the database. + + - ``taskexp_ncurses``: add ncurses version of ``taskexp``, the dependency + explorer originally implemented with GTK. + + - Improve ``runqueue`` performance by adding a cache mechanism in + ``build_taskdepdata``. + + - ``bitbake.conf``: add ``runtimedir`` to represent the path to the runtime + state directory (i.e., /run). + - Packaging changes: + - ``package_rpm``: the RPM package compressor's mode can now be overriden. + - Security improvements: - Improve incremental CVE database download from NVD. Rejected CVEs are @@ -85,6 +204,8 @@ New Features / Enhancements in 5.0 - Disable strace support of bluetooth by default. + - ``openssh`` now has a Systemd service: ``sshd.service``. + Known Issues in 5.0 ~~~~~~~~~~~~~~~~~~~