pipeworks, steel, unified dyes, unified mesecons, and worldedit
gloopblocks, homedecor, ilights, led marquee, plasticbox, solidcolor, stained_glass, unified bricks, and unified dyes In most of these, the update is to shift over to the new "old" coloring paradigm in Unified Dyes. See its forum thread for details.
maptools, mesecons, moreblocks, moreores, pipeworks, quartz
and switched castles to the new modpack form