Linear seems optimized for teams that just build one product at a time. We tried it and while the app was elegant, the concepts just didn't map to our mode of multiple repos and across many different clients (some product, some consulting, etc). I don't know if that changed, but that stopped us from adopting Linear.

Free until the end of the year if you get in touch with them - https://twitter.com/karrisaarinen/status/1513574249121812482