Kamil Grymuza

Setting the following versions in `frontend/package.json` solved it for me: ``` "@vue/cli-plugin-typescript": "~4.1.0", "@vue/cli-plugin-unit-jest": "~4.1.0", ``` but now I'm running into other frontend problems related to TypeScript compilation

Yeah, it's a problem with dependencies being updated to version, which are too new. With the following (note `~` instead of `^` before version numbers to allow only minor updates)...