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Mention the new behaviour on unsafe database locale in the upgrade notes (#12288) 

Co-authored-by: Shay <hillerys@element.io>
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Brendan Abolivier 2022-03-25 10:56:18 +01:00 committed by GitHub
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changelog.d/12288.misc Normal file
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Refuse to start if DB has non-`C` locale, unless config flag `allow_unsafe_db_locale` is set to true.

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docs/upgrade.md
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@ -99,6 +99,13 @@ experimental_features:
groups_enabled: false
```
## Change in behaviour for PostgreSQL databases with unsafe locale
Synapse now refuses to start when using PostgreSQL with non-`C` values for `COLLATE` and
`CTYPE` unless the config flag `allow_unsafe_locale`, found in the database section of
the configuration file, is set to `true`. See the [PostgreSQL documentation](https://matrix-org.github.io/synapse/latest/postgres.html#fixing-incorrect-collate-or-ctype)
for more information and instructions on how to fix a database with incorrect values.
# Upgrading to v1.55.0
## `synctl` script has been moved