master
Add ltree data type to contrib, from Teodor Sigaev and Oleg Bartunov.
Add an enable_groupagg GUC parameter
Support "make check" in contrib
Add hash support functions and hash opclass for contrib/ltree.
Mark commented out code as unused
Use more palloc_object() and palloc_array() in contrib/
Replace pg_mblen() with bounds-checked versions.
Add support for binary I/O of ltree, lquery, and ltxtquery types.
Fix more multibyte issues in ltree.
Make contrib modules' installation scripts more secure.
Update extensions with GIN/GIST support for parallel query.
Fix int32 overflow in ltree_compare()
ltree: Fix overflows with lquery parsing
Guard against overflow in "left" fields of query_int and ltxtquery.
Update copyright for 2026