[master] Pull request

Hi Paul,

These changes only include the release notes for 6.1.

The following changes since commit e9fd43e2584fa793dbdbe1545c3c67c41f7d3ef7:

  ref-manual/variables.rst: Document SPDX_AUTHORS (2026-09-16 10:41:14 +0200)

are available in the Git repository at:

  git@push.yoctoproject.org:yocto-docs master-next

for you to fetch changes up to f26faba8568a3c8fc81d81d3650cc419847a4e17:

  migration-guides/release-notes-6.1.rst: add contributors (2026-09-21 17:15:14 +0200)

----------------------------------------------------------------
Antonin Godard (20):
      ref-manual/fragments.rst: document core/yocto/monitor-disk-space
      ref-manual/system-requirements.rst: refresh our supported distro list
      migration-guides/release-notes-6.{0,1}.rst: update path to check_sanity_everybuild
      ref-manual/classes.rst: linux-kernel-base: drop the class documentation
      ref-manual,dev-manual: remove srpm mode archiver class mentions
      migration-guides/migration-6.1.rst: add tip to use convert-spdx-licenses.py
      ref-manual/variables.rst: document the KERNEL_TOOLCHAIN variable
      ref-manual/variables.rst: document the FIT_OS variable
      ref-manual/variables.rst: document the CARGO_PROFILE variable
      ref-manual/features.rst: add section for SDK features
      ref-manual/variables.rst: drop documentation for SDK_TOOLCHAIN_LANGS
      ref-manual/classes.rst: document the python_pbr class
      ref-manual/variables.rst: document RETAIN_IGNORE_TASKS
      ref-manual/variables.rst: document the KERNEL_MODULE_INSTALL_PREFIX variable
      migration-guides/migration/migration-6.1.rst: add note on moved class functions
      migration-guides/migration/release-notes-6.1.rst: cover recent changes
      migration-guides/release-notes-6.1.rst: add license updates
      migration-guides/release-notes-6.1.rst: add CVE fixes
      migration-guides/release-notes-6.1.rst: add recipe upgrades
      migration-guides/release-notes-6.1.rst: add contributors

 documentation/dev-manual/licenses.rst              |    4 +-
 documentation/migration-guides/migration-6.1.rst   |   80 +-
 .../migration-guides/release-notes-4.1.1.rst       |    2 +-
 .../migration-guides/release-notes-4.1.rst         |    2 +-
 .../migration-guides/release-notes-5.3.rst         |    4 +-
 .../migration-guides/release-notes-6.0.rst         |    2 +-
 .../migration-guides/release-notes-6.1.rst         | 2065 +++++++++++++++++++-
 documentation/ref-manual/classes.rst               |   25 +-
 documentation/ref-manual/features.rst              |   21 +
 documentation/ref-manual/fragments.rst             |   10 +
 documentation/ref-manual/system-requirements.rst   |    8 +-
 documentation/ref-manual/variables.rst             |   41 +-
 12 files changed, 2150 insertions(+), 114 deletions(-)