We are pleased to provide binaries for file_textarray_fdw and odbc_fdw for PostgreSQL 12 Windows 64-bit.
To use these, copy the files into your PostgreSQL 12 Windows 64-bit install folders in same named folders and then run CREATE EXTENSION as usual in the databases of your choice. More details in the packaged README.txt
PostGIS 3.0.0 is planned for release early next week. In the meantime you will find PostGIS 3.0.0rc1 or rc2 available via yum.postgresql.org, apt.postgresql.org, and EDB Windows 64-bit stackbuilder for PostgreSQL 12.
