Copy release docs into RELEASE.md
Once the repo implements something proposed in an RFC, no need to acknowledge its existence. @mvines, please update this if it's no longer accurate.
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RELEASE.md
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RELEASE.md
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# Solana Release process
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## Introduction
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## Branches and Tags
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Solana uses a channel-oriented, date-based branching process described [here](https://github.com/solana-labs/solana/blob/master/rfcs/rfc-005-branches-tags-and-channels.md).
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```
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========================= master branch (edge channel) =======================>
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\ \ \
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\___v0.7.0 tag \ \
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\ \ v0.9.0 tag__\
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\ v0.8.0 tag__\ \
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v0.7.1 tag__\ \ v0.9 branch (beta channel)
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\___v0.7.2 tag \___v0.8.1 tag
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\ \
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\ \
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v0.7 branch v0.8 branch (stable channel)
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```
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### master branch
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All new development occurs on the `master` branch.
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Bug fixes that affect a `vX.Y` branch are first made on `master`. This is to
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allow a fix some soak time on `master` before it is applied to one or more
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stabilization branches.
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Merging to `master` first also helps ensure that fixes applied to one release
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are present for future releases. (Sometimes the joy of landing a critical
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release blocker in a branch causes you to forget to propagate back to
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`master`!)"
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Once the bug fix lands on `master` it is cherry-picked into the `vX.Y` branch
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and potentially the `vX.Y-1` branch. The exception to this rule is when a bug
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fix for `vX.Y` doesn't apply to `master` or `vX.Y-1`.
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Immediately after a new stabilization branch is forged, the `Cargo.toml` minor
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version (*Y*) in the `master` branch is incremented by the release engineer.
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Incrementing the major version of the `master` branch is outside the scope of
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this document.
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### v*X.Y* stabilization branches
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These are stabilization branches for a given milestone. They are created off
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the `master` branch as late as possible prior to the milestone release.
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### v*X.Y.Z* release tag
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The release tags are created as desired by the owner of the given stabilization
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branch, and cause that *X.Y.Z* release to be shipped to https://crates.io,
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https://snapcraft.io/, and elsewhere.
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Immediately after a new v*X.Y.Z* branch tag has been created, the `Cargo.toml`
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patch version number (*Z*) of the stabilization branch is incremented by the
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release engineer.
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## Channels
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Channels are used by end-users (humans and bots) to consume the branches
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described in the previous section, so they may automatically update to the most
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recent version matching their desired stability.
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There are three release channels that map to branches as follows:
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* edge - tracks the `master` branch, least stable.
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* beta - tracks the largest (and latest) `vX.Y` stabilization branch, more stable.
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* stable - tracks the second largest `vX.Y` stabilization branch, most stable.
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## Release Steps
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