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| -rw-r--r-- | docs/upgrade.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/upgrade.md b/docs/upgrade.md index f9ac605e7b..f039710520 100644 --- a/docs/upgrade.md +++ b/docs/upgrade.md @@ -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 |