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.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
Release notes for 4.3 (nandbield)
----------------------------------
New Features / Enhancements in 4.3
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Linux kernel 6.x, glibc 2.xx and ~xxx other recipe upgrades
- New variables:
- :term:`FILE_LAYERNAME`: bitbake now sets this to the name of the layer containing the recipe
- :term:`FIT_ADDRESS_CELLS` and :term:`UBOOT_FIT_ADDRESS_CELLS`.
See details below.
- :term:`KERNEL_DTBDEST`: directory where to install DTB files.
- :term:`KERNEL_DTBVENDORED`: whether to keep vendor subdirectories.
- :term:`LICENSE_FLAGS_DETAILS`: add extra details about a recipe license
in case it is not allowed by :term:`LICENSE_FLAGS_ACCEPTED`.
- Layername functionality available through overrides
Code can now know which layer a recipe is coming from through the newly added :term:`FILE_LAYERNAME`
variable. This has been added as an override of the form ``layer-<layername>``. In particular,
this means QA checks can now be layer specific, for example::
ERROR_QA:layer-core:append = " patch-status"
which will enable the ``patch-status`` QA check for the core layer.
- Architecture-specific enhancements:
- Kernel-related enhancements:
- New core recipes:
- New classes:
- A ``ptest-cargo`` class was added to allow Cargo based recipes to easily add ptests
- QEMU/runqemu enhancements:
- QEMU has been upgraded to version 8.0
- Rust improvements:
- Rust has been upgraded to version 1.69
- Image-related enhancements:
- wic Image Creator enhancements:
- FIT image related improvements:
- New :term:`FIT_ADDRESS_CELLS` and :term:`UBOOT_FIT_ADDRESS_CELLS` variables allowing
to specify 64 bit addresses, typically for loading U-Boot.
- SDK-related improvements:
- Testing:
- Utility script changes:
- BitBake improvements:
- The BitBake Cooker log now contains notes when the caches are
invalidated which is useful for memory resident bitbake debugging.
- Packaging changes:
- Prominent documentation updates:
- Long due documentation for the :ref:`ref-classes-devicetree` class.
- New :ref:`summary about available init systems
<dev-manual/init-manager:summary>`.
- New documentation for the :ref:`ref-classes-uboot-sign` class and
its variables and for the :ref:`ref-classes-kernel-devicetree` class
variables.
- Miscellaneous changes:
- Git based recipes in OE-Core which used the git protocol have been
changed to use https where possibile. https is now believed to be
faster and more reliable.
- The ``os-release`` recipe added a ``CPE_NAME`` to the fields provided, with the
default being populated from :term:`DISTRO`.
Known Issues in 4.3
~~~~~~~~~~~~~~~~~~~
Recipe License changes in 4.3
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following corrections have been made to the :term:`LICENSE` values set by recipes:
Security Fixes in 4.3
~~~~~~~~~~~~~~~~~~~~~
Recipe Upgrades in 4.3
~~~~~~~~~~~~~~~~~~~~~~
Contributors to 4.3
~~~~~~~~~~~~~~~~~~~
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