- Ensure
gr_contextis set on greenlet ingreenlet_spawnso that contextvars will be operable in sync handlers. - Removed
SqliteExtDatabase(it basically served no purpose in 4.0). UseSqliteDatabaseinstead. - Moved driver and extension-specific pooled implementations into the corresponding extension module rather than putting all into
playhouse.pool. - Restore custom
dumpsoption for postgres JSON fields. - Major docs rewrite / reorganization.