ERROR_SAFETY_LIMITS_EXCEEDED.channel_viewed WebSocket event has been updated to multiple_channels_viewed. This event now only triggers for channels with unread messages.ERROR_SAFETY_LIMITS_EXCEEDED.desktop_login, making earlier versions incompatible.+ CREATE TABLE IF NOT EXISTS RetentionIdsForDeletion ( + Id VARCHAR(26) NOT NULL, + TableName VARCHAR(64), + Ids JSON, + PRIMARY KEY (Id), + KEY idx_retentionidsfordeletion_tablename (TableName) + ) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4; ++
+ CREATE TABLE IF NOT EXISTS retentionidsfordeletion ( + id VARCHAR(26) PRIMARY KEY, + tablename VARCHAR(64), + ids VARCHAR(26)[] + ); + CREATE INDEX IF NOT EXISTS idx_retentionidsfordeletion_tablename + ON retentionidsfordeletion (tablename); ++
DeleteOrphanedRows queries.DataRetentionConcurrencyEnabled feature flag. Data retention now runs without concurrency to prevent performance issues.DataRetentionSettings.RetentionIdsBatchSize to control the number of ID batches fetched at a time during deletion (default: 100).ERROR_SAFETY_LIMITS_EXCEEDED.ElasticsearchSettings.Backend differentiates between Elasticsearch and Opensearch, with a default value of elasticsearch. This breaks support for AWS Elasticsearch v7.10.x, as the official v8 client only works with Elasticsearch v7.11+.elasticsearch to opensearch and disable compatibility mode. See the Opensearch documentation for upgrade details.mmctl or manually edit the configuration, then restart the Mattermost server.opensearch, or Mattermost will not function.action.destructive_requires_name to false in elasticsearch.yml to allow wildcard operations to work.ERROR_SAFETY_LIMITS_EXCEEDED.Config.ProductSettingsLdapSettings.TraceAdvancedLoggingConfigpageSize query parameter from most API endpoints./api/v4/image endpoint is fully deprecated when the image proxy is disabled.