### Release Notes for [3.4.3](https://github.com/doctrine/common/milestone/64) 3.4.x bugfix release (patch) ### 3.4.3 - Total issues resolved: **0** - Total pull requests resolved: **2** - Total contributors: **2** #### Bug - [993: Don't allow generating proxies for readonly classes](https://github.com/doctrine/common/pull/993) thanks to @nicolas-grekas - [991: Fix nullable union type identifier lazy load](https://github.com/doctrine/common/pull/991) thanks to @deguif