both:
- fixed problem that sometimes painting does not work when one of the layers has transparency locked
- fixed Harde Edge mode in Select Lasso / Ellipse tools and in Select>Hard Edge
- fixed brush hue/saturation jittering for gray colors.
- other bug fixes
iOS:
- added Image>Flip/Rotate options to Quick Menu actions
- fixed glitch in Blur/Sharpen tools on some devices (like iPhone XS, iPhone XS Max)
- fixed missing transparency data when loading large images from system Photo Gallery
