v1.0.0-beta.4.12.1 Added - Make file import cancellable and allow parallel import for multiple files Changed - Simplify some optimization flags and remove weird ones - Minor performance optimizations - New developer docs theme - Save and restore locale before and after serializing/deserializing YAML files to avoid float presentation issues - Use MgwHelp on Windows if found - Meson: Work around broken `vcs_tag()` on Windows Fixed - Fix not disposing child box in file chooser entry - Various accessibility/focus fixes - Fix some memory leaks - Fix AutomationSelections not actually extending ArrangerSelections as intended