Added a new metric to the shardman.pg_stat_csn view that counts transactions with an exceeded time in the inDoubt state.

Added new fields to the shardman.silk_pending_jobs view: query, pending_queue_bytes, and pending_queue_messages for the first queued message, the pending queue size, in bytes, and the number of pending queue messages.

Added tracing for the queries processed via the Silk transport and added a new configuration parameter shardman.silk_tracepoints that enables it.

Updated the function current_date that now can be pre-evaluated locally on coordinator. timestamp and timestamptz comparisons are now considered safe for the remote execution.

Added pg_query_state support.

Introduced cluster-wide advisory locks which are recommended locks that have application-defined meanings. Also added advisory lock functions.

Fixed a bug that previously resulted in uncontrolled memory usage and allocation by silkworm while processing messages.

Fixed a bug that previously resulted in unstable Silk connectivity and potential queries hanging in case shardman.silk_flow_control was enabled.

Added a new shardmanctl history command that shows history of the commands that updated the cluster. By default, they are sorted from the most recent to the oldest ones.

Updated etcd version to 3.5.13.

Added the normalization for the rebalance process. It allows properly resuming it if it was interrupted.

Added a new feature for the shardmand application that allows configuring a port in sdmspec.json with encryption option.

Updated the PostgreSQL parameter validation mechanism that now uses data returned by PostgreSQL instance.