Apple has released macOS Catalina 10.15.3. You can install it by going to System Preferences then Software Update.
The macOS Catalina 10.15.2 update improves the stability, reliability and performance of your Mac and is recommended for all users. According to Apple’s release notes, it also offers specific updates for SDR workflow handling on the Pro Display XDR, as well as multi-stream video editing performance on the 16-inch MacBook Pro.