This build has been superseded by 1.7.1 announced here
We are pleased to announce a major update for the MacOS release of Affinity Photo, version 1.7.0
The changes in Affinity Photo for MacOS 1.7.0 over the last Affinity Photo patch 1.6.7 (1.6.11 PK) are as follows:
CHANGES SINCE LAST VERSION
EDR
Added support for EDR displays to Photo. When editing a 32bit document, enabling EDR will switch macOS into a mode whereby it will increase the backlight intensity and darken