merge queue: embarking unstable (9f657b0) and [#6513 + #6520] together

[mergify]

🎉 This combination of pull requests has been checked successfully and will be merged soon. 🎉

Branch unstable (9f657b0) and [#6513 + #6520] are embarked together for merge.

This pull request has been created by Mergify to speculatively check the mergeability of [#6513 + #6520].
You don't need to do anything. Mergify will close this pull request automatically when it is complete.

Required conditions of queue default for merge:

• check-success=local-testnet-success
• check-success=test-suite-success

Required conditions to stay in the queue:

• #approved-reviews-by >= 1
  • Send IDONTWANT on publish to avoid downloading data we already have #6513
  • Strict match of errors in backfill sync #6520
• check-success=license/cla
  • Send IDONTWANT on publish to avoid downloading data we already have #6513
  • Strict match of errors in backfill sync #6520
• check-success=target-branch-check
  • Send IDONTWANT on publish to avoid downloading data we already have #6513
  • Strict match of errors in backfill sync #6520

---
previous_failed_batches: []
pull_requests:
  - number: 6513
  - number: 6520
...

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
2 out of 3 committers have signed the CLA.

✅ jimmygchen
✅ dapplion
❌ mergify[bot]
_{You have signed the CLA already but the status is still pending? Let us recheck it.}