Firefox very unstable after utm update

**Describe the issue**
Idk witch versions are affected but after i updated utm to v4.1.6 the firefox-browser got very unstable in my win 7 vm. Tabs, websites and firefox itself crashes after a few seconds/minutes of use.

**Configuration (required)**
* UTM Version: 4.1.6
* OS Version: iPadOS 14.0.1
* Device Model: iPad Pro 2020
* Is it jailbroken (name jailbreak used)? Non-jailbreak
* How did you install UTM? Trollstore

**Crash log**
N/A

**Debug log**
N/A

**Upload VM**
N/A