Merge pull request #7409 from yanesca/lts-lifetime-clarification-2.28

[Backport 2.28] Clarify LTS lifetime
Mbed-TLS · Apr 17, 2023 · e323fb3 · e323fb3
2 parents b76bcfb + 205c508
commit e323fb3
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diff --git a/BRANCHES.md b/BRANCHES.md
@@ -16,6 +16,11 @@ API compatibility in the `master` branch between major version changes. We
 also maintain ABI compatibility within LTS branches; see the next section for
 details.
 
+Every major version will become an LTS branch when the next major version is
+released. We may occasionally create LTS branches from other releases at our
+discretion.
+When a new LTS branch is created, it usually remains supported for three years.
+
 ## Backwards Compatibility for application code
 
 We maintain API compatibility in released versions of Mbed TLS. If you have