After some distractions and chasing a phantom problem, Postgres 9.4.4 is ready. PostGIS and pgRouting extensions have been rebuilt for the new Postgres. Make sure to read the upgrade instructions.
Part 3 will bring Postgres 9.4, a major update. Sometime in the coming week or so, while I look at new features and test the upgrade process.
PROJ 4.9.1 is the main update in the frameworks. I also updated to SQLite3 18.104.22.168. And finally I updated Shapely in the GEOS framework, and refreshed the GEOS build. (This takes care of the last Snow Leopard remnants, all maintained frameworks are now Lion minimum.)