Price premium at Bitfinex is approaching $420. Don't be one of the last ones to try to withdraw your funds. Buy whatever coin you like and get out. Even if you believe BFX is fine, get out till the dust settles.
BIP9-based implementation of "speedy trial" activation specification, see https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-March/018583.html
Edge cases are tested by fuzzing added in #2138...