XFree86® Version Numbering Schemes : Version Numbering Scheme for XFree86 3.3.x.
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## 5. Version Numbering Scheme for XFree86 3.3.x.

The version numbering format for XFree86 3.3.x releases is `M.m.nx`, where `M` is the major version number (3), `m` is the minor version number (3), `n` is the sub-minor version number, and `x` is a letter. Between-release snapshots are indicated by including `x`, a lower case letter. An exception to this scheme was the 3.3.3.1 release, which was an update to the 3.3.3 release.

`3.3`

  The 3.3 release.

`3.3a`

  The first post-3.3 development snapshot.

`3.3.1`

  The 3.3.1 release.

`3.3.1a`

  The first post-3.3.1 development snapshot.

`3.3.2`

  The 3.3.2 release.

`3.3.2a`

  The first post-3.3.2 development snapshot.

`3.3.3`

  The 3.3.3 release.

`3.3.3a`

  The first post-3.3.3 development snapshot.

`3.3.3.1`

  The 3.3.3.1 release.

`3.3.3.1a`

  The first post-3.3.3.1 development snapshot.

`3.3.4`

  The 3.3.4 release.

`3.3.4a`

  The first post-3.3.4 snapshot.

`3.3.5`

  The 3.3.5 release.

`3.3.5a`

  The first post-3.3.5 snapshot.

`3.3.6`

  The 3.3.6 release.

`3.3.6a`

  The first post-3.3.6 snapshot.

XFree86® Version Numbering Schemes : Version Numbering Scheme for XFree86 3.3.x.
Previous: Pre-4.0 Development Versions
Next: Finding the XFree86 X Server Version From a Client