For now, I will submit a patch that just updates the version spoofing to use the new ESR version 102. If someone feels strongly about reporting the latest major version instead of spoofing the ESR version, we can open a new bug.
That said, I think reporting the real major version ("91.0" which ESR and dot releases' UA strings already do, not "91.9.1") would:
* Improve RFP's effectiveness (and webcompat) for Firefox Desktop and Tor Android users (because there are more Release channel users than ESR users).
* Be neutral for Tor Desktop (because its real major version is the ESR version).
* But reduce RFP's effectiveness for Firefox Nightly and Beta users (because there are fewer of them than ESR users).
Firefox Android has no ESR version. The Google Play Store auto-updates users to new versions within just a few days after release, so Tor Android spoofing a version older than the latest would greatly reduce RFP's effectiveness.
Bug 1769022 Comment 17 Edit History
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~For now, I will submit a patch that just updates the version spoofing to use the new ESR version 102. If someone feels strongly about reporting the latest major version instead of spoofing the ESR version, we can open a new bug.~
That said, I think reporting the real major version ("91.0" which ESR and dot releases' UA strings already do, not "91.9.1") would:
* Improve RFP's effectiveness (and webcompat) for Firefox Desktop and Tor Android users (because there are more Release channel users than ESR users).
* Be neutral for Tor Desktop (because its real major version is the ESR version).
* But reduce RFP's effectiveness for Firefox Nightly and Beta users (because there are fewer of them than ESR users).
Firefox Android has no ESR version. The Google Play Store auto-updates users to new versions within just a few days after release, so Tor Android spoofing a version older than the latest would greatly reduce RFP's effectiveness.