There was discussion before that Zoom had serious security issues. Have these been fixed in the new version of zoom ? Eg would companies that previously banned

There was discussion before that Zoom had serious security issues. Have these been fixed in the new version of zoom ? Eg would companies that previously banned zoom now allow zoom 5.0? Eg some previous issues with zoom https://news.ycombinator.com/item?id=22736608 https://news.ycombinator.com/item?id=22736608