From ec9204179184ebd94edf0091d2a9064129db718e Mon Sep 17 00:00:00 2001 From: Anne Chew Date: Tue, 24 Mar 2026 10:53:32 +0800 Subject: [PATCH] docs: update HWE example and table Signed-off-by: Anne Chew --- .../ref-hwe-kernel-release-cycle-jammy.svg | 1 - .../ref-hwe-kernel-release-cycle-noble.svg | 4 + docs/reference/hwe-kernels.rst | 154 ++++++++++-------- 3 files changed, 87 insertions(+), 72 deletions(-) delete mode 100644 docs/_images/ref-hwe-kernel-release-cycle-jammy.svg create mode 100644 docs/_images/ref-hwe-kernel-release-cycle-noble.svg diff --git a/docs/_images/ref-hwe-kernel-release-cycle-jammy.svg b/docs/_images/ref-hwe-kernel-release-cycle-jammy.svg deleted file mode 100644 index ccf4d42..0000000 --- a/docs/_images/ref-hwe-kernel-release-cycle-jammy.svg +++ /dev/null @@ -1 +0,0 @@ - \ No newline at end of file diff --git a/docs/_images/ref-hwe-kernel-release-cycle-noble.svg b/docs/_images/ref-hwe-kernel-release-cycle-noble.svg new file mode 100644 index 0000000..930f16c --- /dev/null +++ b/docs/_images/ref-hwe-kernel-release-cycle-noble.svg @@ -0,0 +1,4 @@ + + + +
24.04.3 LTS (HWE)
v6.14
August 2025
v6.14: 25.04 kernel
6 months
24.04.4 LTS (HWE)
v6.17
February 2026
v6.17: 25.10 kernel
6 months
24.04.2 LTS (HWE)
v6.11
February 2025
v6.11: 24.10 kernel
6 months
24.04.1 LTS
v6.8
August 2024
v6.8: Noble 24.04 GA kernel
24.04.0 LTS
v6.8
April 2024
v6.8: Noble 24.04 GA kernel
4 years 9 months
5 years
2 years 9 months
24.04.5 LTS (HWE)
v6.20
August 2026
v6.20: Resolute 26.04 GA kernel
\ No newline at end of file diff --git a/docs/reference/hwe-kernels.rst b/docs/reference/hwe-kernels.rst index d7bfc79..5725c62 100644 --- a/docs/reference/hwe-kernels.rst +++ b/docs/reference/hwe-kernels.rst @@ -17,10 +17,10 @@ have similar life cycles as their newer Ubuntu kernel counterparts. They will typically get rolled off to the next HWE kernel once a new Ubuntu series is released (until the next LTS). -.. figure:: /_images/ref-hwe-kernel-release-cycle-jammy.svg +.. figure:: /_images/ref-hwe-kernel-release-cycle-noble.svg :alt: Typical HWE kernel release cycle - Example of HWE kernel release cycle for Jammy Jellyfish + Example of HWE kernel release cycle for Noble Numbat The table below summarizes the support life cycle, development and release schedule, end-of-life (EOL) and Extended Security Maintenance (ESM) dates for @@ -31,76 +31,88 @@ supported and upcoming HWE kernels. .. table:: HWE kernel life cycle and package details :align: center - +-----------------+------------------------+----------------+----------------------------------------------------------+ - | Ubuntu series | Ubuntu version | Kernel version | Key dates | - +=================+========================+================+==========================================+===============+ - | Noble Numbat | 24.04.0 LTS | 6.8 | Release | April 2024 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2029 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ - | Jammy Jellyfish | *22.04.5 LTS (HWE)* | *6.8* | :ref:`Edge ` | *June 2024* | - | | | +------------------------------------------+---------------+ - | | | | *Release* | *August 2024* | - | | | +------------------------------------------+---------------+ - | | | | *EOL* | *April 2027* | - | +------------------------+----------------+------------------------------------------+---------------+ - | | 22.04.4 LTS (HWE) | 6.5 | Release | February 2024 | - | | | +------------------------------------------+---------------+ - | | | | EOL | August 2024 | - | +------------------------+----------------+------------------------------------------+---------------+ - | | 22.04.0 LTS | 5.15 | Release | April 2022 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2027 | - | | | +------------------------------------------+---------------+ - | | | | ESM | March 2032 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ - | Focal Fossa | 20.04.5 LTS (HWE) | 5.15 | Release | August 2022 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2025 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2030 | - | +------------------------+----------------+------------------------------------------+---------------+ - | | 20.04.0 LTS | 5.4 | Release | April 2020 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2025 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2030 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ - | Bionic Beaver | 18.04.5 LTS (HWE) | 5.4 | Release | August 2020 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2023 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2028 | - | +------------------------+----------------+------------------------------------------+---------------+ - | | 18.04.0 LTS | 4.15 | Release | April 2018 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2023 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2028 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ - | Xenial Xerus | 16.04.5 LTS (HWE) | 4.15 | Release | August 2018 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2021 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2026 | - | +------------------------+----------------+------------------------------------------+---------------+ - | | 16.04.0 LTS | 4.4 | Release | April 2016 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2021 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2026 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ - | Trusty Tahr | 14.04.5 LTS (HWE) | 4.15 | Release | August 2016 | - | | | +------------------------------------------+---------------+ - | | | | EOL | April 2019 | - | | | +------------------------------------------+---------------+ - | | | | ESM | April 2024 | - +-----------------+------------------------+----------------+------------------------------------------+---------------+ + +--------------------+------------------------+----------------+----------------------------------------------------------+ + | Ubuntu series | Ubuntu version | Kernel version | Key dates | + +====================+========================+================+==========================================+===============+ + | *Resolute Raccoon* | *26.04.0 LTS* | *6.20* | *Release* | *April 2026* | + | | | +------------------------------------------+---------------+ + | | | | *EOL* | *April 2031* | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Noble Numbat | *24.04.5 LTS (HWE)* | *6.20* | :ref:`Edge ` | *June 2026* | + | | | +------------------------------------------+---------------+ + | | | | *Release* | *August 2026* | + | | | +------------------------------------------+---------------+ + | | | | *EOL* | *April 2029* | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 24.04.4 LTS (HWE) | 6.17 | Release | February 2026 | + | | | +------------------------------------------+---------------+ + | | | | EOL | July 2026 | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 24.04.0 LTS | 6.8 | Release | April 2024 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2029 | + | | | +------------------------------------------+---------------+ + | | | | ESM | March 2034 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Jammy Jellyfish | 22.04.5 LTS (HWE) | 6.8 | Release | August 2024 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2027 | + | | | +------------------------------------------+---------------+ + | | | | ESM | March 2032 | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 22.04.0 LTS | 5.15 | Release | April 2022 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2027 | + | | | +------------------------------------------+---------------+ + | | | | ESM | March 2032 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Focal Fossa | 20.04.5 LTS (HWE) | 5.15 | Release | August 2022 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2025 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2030 | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 20.04.0 LTS | 5.4 | Release | April 2020 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2025 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2030 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Bionic Beaver | 18.04.5 LTS (HWE) | 5.4 | Release | August 2020 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2023 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2028 | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 18.04.0 LTS | 4.15 | Release | April 2018 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2023 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2028 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Xenial Xerus | 16.04.5 LTS (HWE) | 4.15 | Release | August 2018 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2021 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2026 | + | +------------------------+----------------+------------------------------------------+---------------+ + | | 16.04.0 LTS | 4.4 | Release | April 2016 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2021 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2026 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ + | Trusty Tahr | 14.04.5 LTS (HWE) | 4.15 | Release | August 2016 | + | | | +------------------------------------------+---------------+ + | | | | EOL | April 2019 | + | | | +------------------------------------------+---------------+ + | | | | ESM | April 2024 | + +--------------------+------------------------+----------------+------------------------------------------+---------------+ .. note:: - HWE kernels that have reached EOL and are no longer under the ESM support - phase are excluded from the table above. + HWE kernels that have reached EOL and are no longer under the ESM or Legacy + add-on support phase are excluded from the table above. See the `Ubuntu kernel release cycle`_ for information. Installing a HWE kernel @@ -250,11 +262,11 @@ Installing an edge HWE kernel You can get early access to the next HWE kernel - that will be shipped with a newer kernel version - by installing the ``-edge`` variant. -To install the latest edge kernel variant for Ubuntu 22.04 LTS, run: +To install the latest edge kernel variant for Ubuntu 24.04 LTS, run: .. code:: shell - sudo apt-get install --install-recommends linux-generic-hwe-22.04-edge + sudo apt-get install --install-recommends linux-generic-hwe-24.04-edge For more information, see :term:`edge kernel` for more information.