Backlight 5.3.1 is now available. This is a fast-follow update on the previous big release, including a number of fixes and some removal of rough edges.

• Kookaburra Page & Album Set: fixes, improvements, and new options to do with the display of information in grid cells.
• Kookaburra Page: improvements to the essay presentation composer.
• Kookaburra Page: update default colors.
• Fixes compatibility with Kookaburra and PHPlugins and PHP < 7.3.