In atom-css-class-checker\styles\atom-package.less:
Starting from Atom v1.13.0, the contents of atom-text-editor elements are no longer encapsulated within a shadow DOM boundary. This means you should stop using :host and ::shadow pseudo-selectors, and prepend all your syntax selectors with syntax--. To prevent breakage with existing style sheets, Atom will automatically upgrade the following selectors:
Automatic translation of selectors will be removed in a few release cycles to minimize startup time. Please, make sure to upgrade the above selectors as soon as possible.
In
atom-css-class-checker\styles\atom-package.less
:Starting from Atom v1.13.0, the contents of
atom-text-editor
elements are no longer encapsulated within a shadow DOM boundary. This means you should stop using:host
and::shadow
pseudo-selectors, and prepend all your syntax selectors withsyntax--
. To prevent breakage with existing style sheets, Atom will automatically upgrade the following selectors:atom-text-editor::shadow .existed-class .region
=>atom-text-editor.editor .existed-class .region
atom-text-editor::shadow .non-existed-class .region
=>atom-text-editor.editor .non-existed-class .region
atom-text-editor::shadow .select-list-title
=>atom-text-editor.editor .select-list-title
Automatic translation of selectors will be removed in a few release cycles to minimize startup time. Please, make sure to upgrade the above selectors as soon as possible.