Ubisoft has released a new update for the PC version of Assassin's Creed: Syndicate. There is no mention on SLI/Crossfire improvements or a fix for the 30fps cloth physics as reported by many.
Assassin's Creed: Syndicate - Update 1.21
Changelog:
Fixed infinite loading screen in Sequence 7.
Fixed geometry explosion and missing geometry on Windows 10.
Fixed geometry explosion on multi-monitor.
Fixed image shaking in Train Hideout with enabled FXAA.
Fixed single-display resolutions in Surround/Eyefinity mode.
Fixed various render issues.
Fixed several online issues.
Minor UI improvements.