When wanting to type in
in natural writing format,
gives

Typing the last Ă· should compose the last fraction and not put everything already typed in on top of a new fraction.
1. In linear writing format:
gives

and that’s perfect.
2. How to get past this strange behaviour
For a pupil wanting to have the desired product in “natural writing”, you have to add un-needed brackets in order to compose it… Very counter-intuitive!

3. I believe this is related to the new behaviour from #524 onward
Because
is perfectly rendered
Hello,
Thanks for reporting this problem! It is indeed more user-friendly to be able to write the fractions "intuitively".
This should be fixed by #1032
What a pity the fix wasn't included in 11.2.0!
Most helpful comment
Hello,
Thanks for reporting this problem! It is indeed more user-friendly to be able to write the fractions "intuitively".
This should be fixed by #1032