- Add zoom in and out buttons to email action bar - Actually show account validation errors to the user - Main window is no longer missing after running the setup wizard - Minor WebView fixes - Under the hood: Switch build system to CMake, improve log messages, fix compatibility newer Qt, improve Debugging - Fix Gravatar URLs - Remove retrieval of auto config from defunct dekkoproject.org website - Fix error handling during account validation - Fix compose window crashing & settings window rendering again - Fix header icon scale issue with QT AUTO Scale - Update translations