I used
$.post(mw.util.wikiScript('api'), {
action: 'imagerotate', rotation: 270, titles: 'File:Lead Photo For DonateImage0-8110956577584147.png', token: mw.user.tokens.get('editToken')
});
The result can be viewed at https://commons.wikimedia.org/wiki/File:Lead_Photo_For_DonateImage0-8110956577584147.png?uselang=en#filehistory
(The auto-generated comment is in my user language)
Expected result: Comment/Log description either autotranslated or in site language.
Version: 1.21.x
Severity: minor