We prioritized a well working dev env on M1 half a year ago and made our Docker images multi arch, etc. It mostly just works nowadays, only one small niche service needs x86 still and it’s in the process of being replaced. We also started taking advantage of ARM machines on AWS as part of the transition. Granted it was easier to justify this as a younger faster growing company because it doesn’t take as long for the majority of developers to be on M1s and less “stuff” has accumulated over less years.