Chrome
General
Enabled GM_cookie for all versions (HttpOnly cookie access still only at the beta versions)
Added a warning message when a script without @include and @match entry is saved the first time
Fixed storage change listeners after clicking a download link
Fixed issues with GM_registerMenuCommand if the command was registered multiple times (e.g. from different frames)
UI
Show an error icon at scripts without any @include and @match entry
MV3
Manifest v3 requires a different workflow when installing a userscript
Note: you can restore the old behavior, by changing Userscript URL detection to Legacy
Locales
Updated Italian translation | thanks to bovirus
Updated Japanese translation | thanks to shirayuki
Updated Portuguese-Brazil translation | thanks to igorruckert
Known Issues
GM_webRequest is not (yet) supported in Manifest V3
GM_xhr fires only one progress event (you can use responseType stream for now)
In UserScript API Dynamic mode scripts that are using a RegExp @require cause overhead by being injected into every frame