Changelog 2022 07 20

API: Changed the error reported when a concurrent operation on a project prevents acquiring a project lock. Error 423 Locked is now reported instead of 409 Conflict.
Control plane: Implemented the usage of several instances for serving the public API and web UI to enable zero-downtime deployments.
UI: Added an Enable pooling toggle to the project General setting page, which permits enabling or disabling connection pooling for a project. For more information about Neon connection pooling support, see Connection pooling.