Does the RHEL major branch have code freeze periods leading up to minor-release branching, or does branching simply happen early enough to treat the period between branch and release as a freeze? Or is there some other process that's less obvious?
On Thu, Jul 24, 2025 at 10:12 PM Gordon Messmer gordon.messmer@gmail.com wrote:
Does the RHEL major branch have code freeze periods leading up to minor-release branching, or does branching simply happen early enough to treat the period between branch and release as a freeze? Or is there some other process that's less obvious?
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There isn't a code freeze period on the major version branch (CentOS Stream). The RHEL maintainers can merge appropriate changes whenever, and when they are merged determines the minor version of RHEL they will target. Merging may be deferred specifically to target a later minor version.
There is a time period between the minor version branching and the release of that minor version. The exact dates and timing aren't public info. During that window it gets progressively more restrictive to make changes on that minor version branch. I don't know if at any point it's considered truly frozen, but it may feel effectively frozen for maintainers with the amount of red tape needed to make changes as it gets close to the RHEL release date.
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Carl George -
Gordon Messmer