Releng 78.0.1/79.0.0

[liuche]

• SUMO 79.0.0 doc: [SUMO] What's New in Fenix 79.0.0 #11414

Release Builds

• Friday, 6/26 code freeze: 78.0.1 early QA build, pinned to AC Nightly version (not release AC version)
• Tuesday, 6/30 GV79 Beta: 79.0.0 QA build, pinned to AC 48.0.0 + AS 61.0.6

SUMO Verification [After Beta release]

• If the current release is a major (x.0) release, review the SUMO article contents of the whats new / other sumo pages and make sure they are accurate with what is in this release. If not, escalate to Product Owner.

During Beta Product Integrity (Beta Release until PI green signoff)

• If bugs are considered release blocker then find someone to fix them on master and the milestone branch (cherry-pick / uplift)
• If needed tag a new RC version (e.g. v1.0-RC2) and follow the submission checklist again.

During Production Release Rollout [Tuesday, Wednesday following Monday Release Day]

• Check Sentry for new crashes. File issues and triage.
• Ask Relman in the bug if they see potential blockers on Google Play, and if not, request that they bump the release each day (25% Tu, 100% Wed)

Major releases often need to be synchronized with other marketing activities (e.g. blog postings).

Room for improvement

• Automate assigning milestones to closed issues (based on date, etc) Automate some manual parts of Releng Checklist #6199
• Automate assignig eng:qa:needed to issues Automate some manual parts of Releng Checklist #6199
• Automate verification that the commit hash matches the most recent RC
• Builds generated as part of signing-production task look like public/build/arm64-v8a/geckoBeta/target.apk. This means that the dev must download, then rename them by hand. Could RM update these to generate public/build/arm64-v8a/geckoBeta/firefox-preview-v3.0.0-rc.1-arm64-v8a.apk, or similar?

┆Issue is synchronized with this Jira Task

[liuche]

Performance fixes #9935, #8795
Synced Tabs (removed Nightly flag) #5762
Crash #8374
Search changes #12025 #12026
Pull-to-refresh history and bookmarks #2165

Open redirect links in app: #10838
PWA crash #11586
Open tabs quickly crash #11653

[liuche]

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