Fix crash on trying to expand a shared memory hash table

Fix wrong variable offset sanity check.

Fix rare test failure in nbtree_half_dead_pages

Fix amcheck's handling of half-dead B-tree pages

Add a test for half-dead pages in B-tree indexes

Fix amcheck's handling of incomplete root splits in B-tree

Add a test for incomplete splits in B-tree indexes

pg_stat_statements: Fix handling of duplicate constant locations

Improve stability of btree page split on ERRORs

Add test for HeapBitmapScan's broken skip_fetch optimization

Remove HeapBitmapScan's skip_fetch optimization

Avoid edge case in pg_visibility test with small shared_buffers

Report syncscan position at end of scan.

Fix some typos in event trigger docs

Use heap_inplace_update() to unset pg_database.dathasloginevt

Remove the flaky check in event_trigger_login regression test

Fix instable 006_login_trigger.pl test

Add support event triggers on authenticated login

Skip checking of scan keys required for directional scan in B-tree