migration-guides: placeholder files for 5.1

(From yocto-docs rev: f3ab2c5ec975683383cd8129a607c3e1e8c68053)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/migration-guides/index.rst

@@ -12,6 +12,7 @@ to move to one release of the Yocto Project from the previous one.
 .. toctree::
 
    migration-general
+   release-5.1
    release-5.0
    release-4.3
    release-4.2

documentation/migration-guides/migration-5.1.rst

@@ -0,0 +1,83 @@
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
+
+Release 5.1 (styhead)
+=====================
+
+Migration notes for 5.1 (styhead)
+------------------------------------
+
+This section provides migration information for moving to the Yocto
+Project 5.1 Release (codename "styhead") from the prior release.
+
+.. _migration-5.1-supported-kernel-versions:
+
+Supported kernel versions
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The :term:`OLDEST_KERNEL` setting is still "5.15" in this release, meaning that
+out the box, older kernels are not supported. See :ref:`4.3 migration notes
+<migration-4.3-supported-kernel-versions>` for details.
+
+.. _migration-5.1-supported-distributions:
+
+Supported distributions
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Compared to the previous releases, running BitBake is supported on new
+GNU/Linux distributions:
+
+On the other hand, some earlier distributions are no longer supported:
+
+See :ref:`all supported distributions <system-requirements-supported-distros>`.
+
+.. _migration-5.1-go-changes:
+
+Go language changes
+~~~~~~~~~~~~~~~~~~~
+
+.. _migration-5.1-systemd-changes:
+
+systemd changes
+~~~~~~~~~~~~~~~
+
+.. _migration-5.1-recipe-changes:
+
+Recipe changes
+~~~~~~~~~~~~~~
+
+.. _migration-5.1-deprecated-variables:
+
+Deprecated variables
+~~~~~~~~~~~~~~~~~~~~
+
+.. _migration-5.1-removed-variables:
+
+Removed variables
+~~~~~~~~~~~~~~~~~
+
+The following variables have been removed:
+
+.. _migration-5.1-removed-recipes:
+
+Removed recipes
+~~~~~~~~~~~~~~~
+
+The following recipes have been removed in this release:
+
+.. _migration-5.1-removed-classes:
+
+Removed classes
+~~~~~~~~~~~~~~~
+
+No classes have been removed in this release.
+
+.. _migration-5.1-qemu-changes:
+
+QEMU changes
+~~~~~~~~~~~~
+
+.. _migration-5.1-misc-changes:
+
+Miscellaneous changes
+~~~~~~~~~~~~~~~~~~~~~
+

documentation/migration-guides/release-5.1.rst

@@ -0,0 +1,9 @@
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
+
+Release 5.1 (styhead)
+=======================
+
+.. toctree::
+
+   migration-5.1
+   release-notes-5.1

documentation/migration-guides/release-notes-5.1.rst

@@ -0,0 +1,67 @@
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
+
+Release notes for 5.1 (styhead)
+---------------------------------
+
+New Features / Enhancements in 5.1
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+-  Linux kernel 6.X, gcc 14.X, glibc 2.X, LLVM 18.X, and over XXX other recipe upgrades
+
+-  New variables:
+
+-  Architecture-specific enhancements:
+
+-  Kernel-related enhancements:
+
+-  New core recipes:
+
+-  QEMU / ``runqemu`` enhancements:
+
+-  Rust improvements:
+
+-  wic Image Creator enhancements:
+
+-  SDK-related improvements:
+
+-  Testing:
+
+-  Utility script changes:
+
+-  BitBake improvements:
+
+-  devtool improvements:
+
+-  recipetool improvements:
+
+-  Packaging changes:
+
+-  Security improvements:
+
+-  Toaster Web UI improvements:
+
+-  Prominent documentation updates:
+
+-  Miscellaneous changes:
+
+Known Issues in 5.1
+~~~~~~~~~~~~~~~~~~~
+
+Recipe License changes in 5.1
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The following corrections have been made to the :term:`LICENSE` values set by recipes:
+
+Security Fixes in 5.1
+~~~~~~~~~~~~~~~~~~~~~
+
+Recipe Upgrades in 5.1
+~~~~~~~~~~~~~~~~~~~~~~
+
+Contributors to 5.1
+~~~~~~~~~~~~~~~~~~~
+
+Thanks to the following people who contributed to this release:
+
+Repositories / Downloads for Yocto-5.1
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~