feat: Stop using blessed versions list for invariants in the registry#9772
feat: Stop using blessed versions list for invariants in the registry#9772
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This pull request changes code owned by the Governance team. Therefore, make sure that
you have considered the following (for Governance-owned code):
-
Update
unreleased_changelog.md(if there are behavior changes, even if they are
non-breaking). -
Are there BREAKING changes?
-
Is a data migration needed?
-
Security review?
How to Satisfy This Automatic Review
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Go to the bottom of the pull request page.
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Look for where it says this bot is requesting changes.
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Click the three dots to the right.
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Select "Dismiss review".
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In the text entry box, respond to each of the numbered items in the previous
section, declare one of the following:
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Done.
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$REASON_WHY_NO_NEED. E.g. for
unreleased_changelog.md, "No
canister behavior changes.", or for item 2, "Existing APIs
behave as before.".
Brief Guide to "Externally Visible" Changes
"Externally visible behavior change" is very often due to some NEW canister API.
Changes to EXISTING APIs are more likely to be "breaking".
If these changes are breaking, make sure that clients know how to migrate, how to
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If your changes are behind a feature flag, then, do NOT add entrie(s) to
unreleased_changelog.md in this PR! But rather, add entrie(s) later, in the PR
that enables these changes in production.
Reference(s)
For a more comprehensive checklist, see here.
GOVERNANCE_CHECKLIST_REMINDER_DEDUP
ReplicaVersionRecords and the blessed versions list are updated in sync, as we no longer require an extra proposal to have each version "blessed".
This moves the invariants in the registry to use the list of ReplicaVersionRecords, instead of the blessed versions list, as a step towards removing the redundant blessed versions list entirely.