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67 lines
2.7 KiB
Markdown
67 lines
2.7 KiB
Markdown
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The latest support policy for ESP-IDF can be found at [https://github.com/espressif/esp-idf/blob/master/SUPPORT_POLICY.md](https://github.com/espressif/esp-idf/blob/master/SUPPORT_POLICY.md)
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Support Period Policy
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=====================
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Each ESP-IDF major and minor release (V4.0, V4.1, etc) is supported for
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18 months after the initial stable release date.
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Supported means that the ESP-IDF team will continue to apply bug fixes,
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security fixes, etc to the release branch on GitHub, and periodically
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make new bugfix releases as needed.
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Users are encouraged to upgrade to a newer ESP-IDF release before the
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support period finishes and the release becomes End of Life (EOL). It is
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our policy to not continue fixing bugs in End of Life releases.
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Pre-release versions (betas, previews, `-rc` and `-dev` versions, etc)
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are not covered by any support period. Sometimes a particular feature is
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marked as \"Preview\" in a release, which means it is also not covered
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by the support period.
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The ESP-IDF Programming Guide has information about the
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[different versions of ESP-IDF](https://docs.espressif.com/projects/esp-idf/en/latest/versions.html)
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(major, minor, bugfix, etc).
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Long Term Support releases
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--------------------------
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Some releases (starting with ESP-IDF V3.3) are designated Long Term
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Support (LTS). LTS releases are supported for 30 months (2.5 years)
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after the initial stable release date.
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A new LTS release will be made at least every 18 months. This means
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there will always be a period of at least 12 months to upgrade from the
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previous LTS release to the following LTS release.
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Example
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-------
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ESP-IDF V3.3 was released in September 2019 and is a Long Term Support
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(LTS) release, meaning it will be supported for 30 months until February
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2022.
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- The first V3.3 release was `v3.3` in September 2019.
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- The ESP-IDF team continues to backport bug fixes, security fixes,
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etc to the release branch `release/v3.3`.
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- Periodically stable bugfix releases are created from the release
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branch. For example `v3.3.1`, `v3.3.2`, etc. Users are encouraged to
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always update to the latest bugfix release.
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- V3.3 bugfix releases continue until February 2022, when all V3.3.x
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releases become End of Life.
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Existing Releases
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-----------------
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ESP-IDF release V3.3 and all newer releases will follow this support
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period policy. The support period for each release will be announced
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when the release is made.
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For releases made before the support period policy was announced,
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the following support periods apply:
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- ESP-IDF V3.1.x and V3.2.x will both be supported until October 2020.
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- ESP-IDF V3.0.9 (planned for October 2019) will be the last V3.0
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bugfix release. ESP-IDF V3.0.x is End of Life from October 2019.
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- ESP-IDF versions before V3.0 are already End of Life.
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