Pressing L+R during Overcooked! 2 start process lead to hbmenu being started.
Repro everytime on CFW 8.1.0 + ReiNX 2.4 + Overcooked! 2 [01006FD0080B2000].
For anyone stumbling here — discord has a preliminary build fix for this problem in the nightly-builds channel. Also, moving hbl.nsp aside does work as a more temporary fix.
Pressing L+R during Overcooked! 2 start process lead to hbmenu being started. Repro everytime on CFW 8.1.0 + ReiNX 2.4 + Overcooked! 2 [01006FD0080B2000].
No workaround found for this one.