Perhaps it will save time for some if we collect in a thread those apps that still seem to be working but are not in the new RC5 feed while maintainers are working on recompiling those apps that need it.
For me, monobut, vncviewer, x0vncserver, less, and hnb still installed and seem to be working fine. These apps are from what is now called the oldunstable feed at the pdaXrom site.
Graphics, sound, and technical programs are more likely to need recompiling for RC5. links-g (with graphics) didn't run for me, nor did pari-gp (number theory calculator).