From Zero to AMO: How to Publish a Firefox Extension Without Losing Your Mind

Publishing to Mozilla's Add-ons site (AMO) is different from any other app store. Here's exactly what I learned going through the process with Weather & Clock Dashboard. The Manifest Version Situation Firefox currently supports both Manifest V2 and V3. Chrome is forcing V3 (which has significant limitations for ad blockers). Firefox's stance is more pragmatic — they support both and have promised to maintain V2 support longer. For a new extension in 2024, use MV3. Here's the basic manifest.j