Added enable_implicit_transaction_for_batch_statements to v22.2 relea…

…se notes (#15836)

_includes/releases/v22.2/v22.2.0-alpha.1.md

@@ -488,6 +488,7 @@ We would like to thank the following contributors from the CockroachDB community
 [#76233]: https://github.com/cockroachdb/cockroach/pull/76233
 [#76609]: https://github.com/cockroachdb/cockroach/pull/76609
 [#76753]: https://github.com/cockroachdb/cockroach/pull/76753
+[#76834]: https://github.com/cockroachdb/cockroach/pull/76834
 [#77015]: https://github.com/cockroachdb/cockroach/pull/77015
 [#77070]: https://github.com/cockroachdb/cockroach/pull/77070
 [#77308]: https://github.com/cockroachdb/cockroach/pull/77308

_includes/v22.2/backward-incompatible/alpha.1.md

@@ -11,4 +11,5 @@
 - Removed the ability to cast `int`, `int2`, and `int8` to a `0` length `BIT` or `VARBIT`. [#81266][#81266]
 - Removed the deprecated `GRANT` privilege. [#81310][#81310]
 - Removed the `ttl_automatic_column` storage parameter. The `crdb_internal_expiration` column is created when `ttl_expire_after` is set and removed when `ttl_expire_after` is reset. [#83134][#83134]
-- Removed the byte string parameter in the `crdb_internal.schedule_sql_stats_compaction` function. [#82560][#82560]
+- Removed the byte string parameter in the `crdb_internal.schedule_sql_stats_compaction` function. [#82560][#82560]
+- Changed the default value of the `enable_implicit_transaction_for_batch_statements` to `true`. This means that a [batch of statements](../v22.2/transactions.html#batched-statements) sent in one string separated by semicolons is treated as an implicit transaction. [#76834][#76834]