firebird_fdw is now available as version 1.4.1.
This release provides compatibility with the upcoming PostgreSQL 18 release.
firebird_fdw is compatible with PostgreSQL versions 9.5 ~ 18. Note that compatibilty for PostgreSQL 9.6 and earlier will be removed in a following release.
This release requires Firebird API wrapper libfq version 0.6.2 or later.