Apple has just released the update to bring Catalina to version 10.15.3, together with Security Updates for both Mojave and High Sierra. It reports two specific improvements in 10.15.3:
- optimises gamma handling for the Pro Display XDR,
- improves video editing performance in HEVC and H.264 4K video on the latest MacBook Pro 16-inch
but as the download amounts to around 3.42 GB and is believed to bring firmware updates for many models, I’m sure there’s a lot more.
Read more at EclecticLight.co