Following a pair of updates released for both the Cydia Substrate and Substrate Safe Mode packages bright and early Sunday morning, it seems that Saurik has pushed a second update for the Cydia Substrate package Sunday afternoon to fix a few bugs that were introduced in the first update.
The latest version of the Cydia Substrate package is now version 0.9.7109, and according to the change log for this release, Saurik notes the following changes in this release: