adamp01

@Objectivite - thanks for raising this, we are trying to repro this internally but are aware that several others are facing the same issue. There were only a few changes...

Waterfox G4 is based on ESR91 and optional chaining is used throughout the browser code. I suspect you meant to raise this in the [Classic repo](https://github.com/WaterfoxCo/Waterfox-Classic)?

2022.02 is Classic, so will move this to the Classic repo

@devstra - there have been reports of G4.0.4 being slow to update Widevine, which had caused issues with DRM content in the previous release. Would you be able to do...