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docs: update HWE example and table #97

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1 change: 0 additions & 1 deletion docs/_images/ref-hwe-kernel-release-cycle-jammy.svg
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4 changes: 4 additions & 0 deletions docs/_images/ref-hwe-kernel-release-cycle-noble.svg
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@ksacilotto ksacilotto Mar 24, 2026

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Also update kernel version from 6.20 to 7.0

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154 changes: 83 additions & 71 deletions docs/reference/hwe-kernels.rst
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Expand Up @@ -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
Expand All @@ -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 <ref-about-hwe-install-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* |
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@ksacilotto ksacilotto Mar 24, 2026

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Resolute kernel version is 7.0

| | | +------------------------------------------+---------------+
| | | | *EOL* | *April 2031* |
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Do we need to add a row for ESM since it's an LTS?

+--------------------+------------------------+----------------+------------------------------------------+---------------+
| Noble Numbat | *24.04.5 LTS (HWE)* | *6.20* | :ref:`Edge <ref-about-hwe-install-edge>` | *June 2026* |
| | | +------------------------------------------+---------------+
| | | | *Release* | *August 2026* |
| | | +------------------------------------------+---------------+
| | | | *EOL* | *April 2029* |
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Also an ESM row for the LTS kernel

| +------------------------+----------------+------------------------------------------+---------------+
| | 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
Expand Down Expand Up @@ -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.

Expand Down
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