One of my past employers in the UK added to the policy all the software the employee writes during the employment (eg. during the weekend, on the personal hardware), is owned by the company.
Several software engineers left, several didn't sign it.
Yes, company was very toxic apart of that. Yeah, I should name and shame but I won't be doxxing myself.
Many years ago an employer tried to to that and everyone .. just refused to sign the new contracts. The whole thing sat in standoff limbo for months until the dotcom crash happened and the issue became moot when we were all made redundant.
Several software engineers left, several didn't sign it.
Yes, company was very toxic apart of that. Yeah, I should name and shame but I won't be doxxing myself.