Since approximately this week, ContentTranslation v2 sometimes inserts `</img>` in the translation instead of the mathematical formulas, as shown in the following image:

(from https://pt.wikipedia.org/wiki/Special:ContentTranslation?title=Special:ContentTranslation&campaign=contributionsmenu&to=pt&page=Tensor+product&from=en&targettitle=Produto+tensorial&version=2)