extensions.stylish.editorWindowMode=0 [show editor in a tab (default)] not followed if no userstyles installed, editor opens in separate window instead · Issue #248 · stylish-userstyles/stylish · GitHub

(full Imgur album) userstyles.org - Using Stylish for Firefox: Hidden Stylish preferences extensions.stylish.editorWindowMode Whether to show the editor in a tab (0) or in a separate window (1). By default this preference is set to 0 (so

Single Window (open links in active window) extension - Opera add-ons

Warning when enqueuing styles for a plugin in iframed Full Site Editor · Issue #33212 · WordPress/gutenberg · GitHub

Clean up the inconsistent Windows UI style usage · Issue #3508 · notepad-plus-plus/notepad-plus-plus · GitHub

stylish intermittently stops applying to links opened to new tabs in Safari 11 · Issue #34 · 350d/stylish · GitHub

stylish intermittently stops applying to links opened to new tabs in Safari 11 · Issue #34 · 350d/stylish · GitHub

Extension is greyed out - Browser Support - Brave Community

Clean up the inconsistent Windows UI style usage · Issue #3508 · notepad-plus-plus/notepad-plus-plus · GitHub

stylish intermittently stops applying to links opened to new tabs in Safari 11 · Issue #34 · 350d/stylish · GitHub

How to install custom userstyles in Opera - gHacks Tech News

Moving User Styles (Themes) from Stylish 3.x to Stylus

stylish intermittently stops applying to links opened to new tabs in Safari 11 · Issue #34 · 350d/stylish · GitHub