Changes
Show elements of hash tables: HTAB * and simplehash (from lib/simplehash.c)
Support for custom hash tables (specify types of user hash tables) in config file
Add basic snippets: IsA, foreach, PG_TRY/PG_CATCH/PG_FINALLY
Add new node tags from PG 18beta1
Add PlannerInfo->join_rel_level array special member to builtins.
For more info see CHANGELOG.md
Code changes: v1.8.2...v1.9.0