* roll up v2.0.1-b2 to develop
* b2-fixed
* adjust return data of fast sync so it doesn't return the earliest frame
* -b3
* fix: announce peer based on leading frame, not initial frame; fix: looping bug
* fix: last batch fails due to underflow; qol: make logging chattier
* -b4
* resolve frame cache issue
* fix: mint loop + re-migrate
* fix: register execution panic
* fix: mint loop, other side
* fix: handle unexpected return of nil status
* final -b4
* handle subtle change to migration
* qol: add heuristic to handle corruption scenario
* bump genesis
* qol: use separate channel for worker
* final parameterization, parallelize streams
* deprecate signers 10, 11, 14, 17
* adjust signatory check size to match rotated out signers
