Proposal for an off-cycle release process.

Feedback is welcome.

Context

The Merge exposed some problems with the current Besu release process when it comes to critical bugs or hotfixes. Multiple off-cycle and cherry-picked releases caused frustration for contributors and confusion for some users. This document intends to create a proposal for a new hotfix (off-cycle) release process.

Process Proposal

Off-cycle releases - a new release category.

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