This release fixes a bug in the Yul optimizer. You are only affected if you manually enabled the Yul optimizer (not the regular optimizer) and either used Yul stand-alone or via ABIEncoderV2. For more details, please see buglist.json.
Bugfixes:
- Yul Optimizer: Fix bug in redundant assignment remover in combination with break and continue statements.
If you want to perform a source build, please only use solidity_0.5.16.tar.gz and not the zip provided by github directly.