Change relpath() et al to return path by value

Change _mdfd_segpath() to return paths by value

Say in the FSM README why its hint writes still need full page images

Revert "Mark modified the FSM buffer as dirty during recovery"

Mark modified the FSM buffer as dirty during recovery

Stabilize recovery conflict stats checks in 031_recovery_conflict.pl

postgres_fdw: Disable attribute statistics import from pre-9.1 servers.

Use the join collation when unique-ifying a semijoin's RHS

pgindent: Fix indentation of alignas() in struct members

Fix index rebuild progress reporting for REPACK (CONCURRENTLY)

Suppress progress reporting when creating TOAST indexes

doc: Fix primary status update WAL position description

Make cast functions to type money error safe

Make cast function from circle to polygon error safe

Make geometry cast functions error safe

Make cast functions from jsonb error safe

Make many cast functions error safe