I have a 2018 Q2 with the 2L engine and haven't encountered any of the kangarooing or lack of power problems. One of the reasons I went with the 2L was because of this.
There's a good thread on it here:
I am currently waiting for delivery of my new Q2 fitted with a 1.5 TFSI engine and I am wondering how likely it is that I will have the engine problem. I was wondering if everybody that has the 1.5 TFSI engine is experiences the kangarooing or are there a lot of people that are having no...
www.q2forums.co.uk
I think there was a software fix around November 2019 that was meant to fix things (it seemed to work for some), but as you'll see from that thread someone had a Q2 1.5 TFSI Black Edition from April 2021 and encountered similar sounding problems.
As with many things, people tend to head to forums when there are problems, so I wouldn't be surprised if there are many 1.5L owners out there without an issue.