Version 7.15.1

New feature

• You can now sync the theme with system so it automatically switch between dark an light (iOS and android >= 10) in #2048

Improvements/bug fixes

• Fix wrong eval being displayed with multi lines in #2047
• Fix board aspect for square screens in #2049
• Fix number of checks when rewinding a 3-check game in #2050
• Fix clocks not flipped when flipping the board in #2053
• New translations

Full Changelog: v7.15.0...v7.15.1