### Highlights * Bump to Chisel3 v3.4.3 ([see release notes](https://github.com/chipsalliance/chisel3/releases/tag/v3.4.3)) * Bump to Chisel Testers v1.5.3 ([see release notes](https://github.com/freechipsproject/chisel-testers/releases/tag/v1.5.3))