Add upgrade notes for changes to receipts replication. (#13932)

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Patrick Cloke 2022-09-28 11:33:31 -04:00 committed by GitHub
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Experimental support for thread-specific receipts ([MSC3771](https://github.com/matrix-org/matrix-spec-proposals/pull/3771)).

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dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
```
# Upgrading to v1.69.0
## Changes to the receipts replication streams
Synapse now includes information indicating if a receipt applies to a thread when
replicating it to other workers. This is a forwards- and backwards-incompatible
change: v1.68 and workers cannot process receipts replicated by v1.69 workers, and
vice versa.
Once all workers are upgraded to v1.69 (or downgraded to v1.68), receipts
replication will resume as normal.
# Upgrading to v1.68.0
Two changes announced in the upgrade notes for v1.67.0 have now landed in v1.68.0.