Hi Tim,
we (kamil and I) briefly went through the log, and althought we did not really find out what's the 'primary cause' of the update's failure, we at least discovered, what do these blocks
SKIPBROKEN: --> Package: erlang-js-0.5.0-2.fc15.x86_64 (f15) --> Requires: libjs.so.1()(64bit) --> Removing: js-1.70-13.fc15.x86_64 (f15) --> libjs.so.1()(64bit) --> Updated By: 1:js-1.8.5-6.fc15.x86_64 (pending) --> Not found [view ยป]
mean.
I added the description of this problem into
https://fedoraproject.org/wiki/AutoQA_tests/Depcheck#.22Not_Found.22_errors