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Set a limit on version identifiters for new releases #2163

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Set a limit on version identifiters for new releases #2163

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15 changes: 15 additions & 0 deletions source/specifications/version-specifiers.rst
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Expand Up @@ -173,6 +173,19 @@ indexing and hosting upstream projects, it MUST NOT allow the use of local
version identifiers.


.. _version-identifier-length:

Version identifier length
-------------------------

Version identifiers for new releases MUST NOT exceed 128 characters after
:ref:`normalization <version-specifiers-normalization>`, including any local
version label.

Installation tools MUST NOT reject otherwise valid versions solely because
they exceed this limit.


Final releases
--------------

Expand Down Expand Up @@ -1286,3 +1299,5 @@ History
they are handled.
- Nov 2025: Make arbitrary equality case insensitivity explicit.
- Jan 2026: The use of epochs was discouraged.
- Oct 2026: Limit version identifiers for new releases to 128 characters after
normalization.
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