Just upgraded Catalina today (Mac App Store version), the trackpad doesn't work at all with the latest Safari (v13.0.2), tried to use the same gestures in Chrome (v77.0.3865.90) and it works fine. Look forward to fix it ASAP.
**Affected input device: MacBook Trackpad
- Type of Mac:MacBookPro15,2
- macOS version: Catalina
- BetterTouchTool version: v3.204