Recording Telemetry scalars from add-ons
The Go Faster initiative is important as it enables us to ship code faster, using special add-ons, without being strictly tied to the Firefox train schedule. As Georg Fritzsche pointed out in his article, we have two options for instrumenting these add-ons: having probe definitions ride the trains (waiting a few weeks!) or implementing and sending a new custom ping (doing some pipeline work!). Both solutions are not very appealing when shipping code faster....