pgRouting 2.1 Beta release is out. Full details at https://lists.osgeo.org/pipermail/pgrouting-dev/2015-August/001569.html. pgRouting 2.1
works with PostGIS 2.1 and 2.2.0dev.
Windows experimental pgRouting and PostGIS binaries for PostgreSQL 9.3 and 9.4 available at http://postgis.net/windows_downloads.