Comment (by Roland Haas):

Applied as git hash 09d11b0 "WaveToyC: SYNC when selecting BCs, run BCs more often" of cactuswave
Applied as git hash 1b8317a "WaveToyCXX: SYNC when selecting BCs, run BCs more often" of cactuswave
Applied as git hash 0ab5c03 "WaveToyF77: SYNC when selecting BCs, run BCs more often" of cactuswave
Applied as git hash b8a67d4 "WaveToyF90: SYNC when selecting BCs, run BCs more often" of cactuswave

Applied as git hash 63f958b "IOHDF5: update checkpoint file after WaveToyC SYNC update" of cactuspughio
Applied as git hash efd76bb3 "CarpetIOHDF5: regenerate checkpoint files" of --
Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2277/wavetoyfoo-examples-do-not-call-sync-when