Family Safety app Limits don't work for Minecraft

Hello,

I'm trying to restrict the time that my child spends on Minecraft via Family Safety but I can't get this to work. When I check my child's screen time online, I can see both, a limit for the app (eg: 15m) and the actual time spent on that app (eg: 20m, as in the screenshot below). I use Win10 and I've checked the following -

1) Windows is up-to-date

2) My child's account is part of my family group

3) Both mine and my child's account are Outlook accounts and seem to be verified (via https://aka.ms/familyverify, and I see no verification error messages anywhere)

4) Sync is enabled for both my account and my child's (though both are used on a single, common device only)

5) Limits work for other apps (eg: Edge, Teams)

6) If I completely block Minecraft using Family Safety, it works. However, when I put in a time limit instead of an absolute block, it doesn't.

I've also changed my passcode on the off-chance that my child figured it out and extended his time without letting me know

What might I be missing?

Thanks in advance