Here is a list of incorrect and suboptimal, most of all incorrect, Dutch translations that I've encountered, with the place in which they appear.

- Activities -

English: You played the daily challenge

Dutch (incorrect, now): Jij heeft de daily challenge gespeeld

Dutch (correct): Je hebt de daily challenge gespeeld

English: You

Dutch (suboptimal, now): Jij

Dutch (optimal): Je

English and Dutch: avatar builder

Dutch (correct): avatarbouwer

English: emotes

Dutch (incorrect, this means "emotions"): emoties

Dutch (correct) emotes

English: member

Dutch (incorrect, this means "limb"): ledemaat

Dutch (correct): lid

English: Serbian

Dutch (incorrect, this means "Serb"): Serviër

Dutch (correct): Servisch

English, Dutch: Round X

Dutch (correct): Ronde X

English, Dutch: Worldwide scoreboard

Dutch (correct): wereldwijd scorebord

English, Dutch: points

Dutch (correct): punten

English: Top X advance to Y Division in ___

Dutch: De top X gaat door naar de Y divisie in ___

Dutch (correct): De top X gaan door naar de Y divisie in ___

English, Dutch: name

Dutch (correct): naam

- Duels loading screen pop-ups -

English: Remember: Googling....

Dutch (incorrect): Herinneren: Googelen....

Dutch (correct): Onthoud: Googelen....

English: Tip: hold [tab]...

Dutch (incorrect): Hint: houd [tab]...

Dutch (correct): Tip: houd [tab]...

English: Press [space] to continue

Dutch (incorrect): Klik op [space] om door te gaan

Dutch (correct): Druk op [space] om door te gaan

English: Round X of Y

Dutch (incorrect): Ronde X of Y

Dutch (correct): Ronde X van Y

As a final note, the "community maps" section is currently untranslated.