QUARTERLY: Thunderbird Desktop — Support Spike Report
Generated 2023-Q4 … 2026-Q3 · quarterly grain · trailing 12 quarters · 41138 questions · no AI (regex + traditional stats)
- Volume: 41138 questions, 3428.2/quarter avg
- Answered (non-creator): 31099/41138 (76%)
- First-answer time (median): 3.5h (p25 1.0h / p75 12.3h)
- Total volume trend:
▇▆▅██▇▆▇▆▅▄▃
⏱ Reading spike timing: a spike dates when users piled in — a lagging signal, usually days after an incident’s onset and often near its resolution (e.g. the Jun 2023 Libero outage began ~Jun 14; the questions spiked Jun 19). Treat these as pain-cluster / triage signals, not real-time incident detection.
🔎 Want a bump that is not listed below? The sparklines here are static text. Open the interactive explorer, pick a grain / version / cause, and click any point to read that period’s questions — every period, not just the ones that cleared a threshold. Each spike row also links straight to its own bucket.
🚨 Engineering signal — version × cause spikes
Cause clusters over-represented in a specific Thunderbird version. The Signal column flags 🆕 new (cause never spiked before), ↗ spreading (known cause, new version), or ↻ recurring (chronic / seen before) — ranked new→spreading→recurring, then by lift. Click an ID to read it.
📮 Cause-level spikes — provider / protocol / AV
Causes surging regardless of version vs a trailing month baseline — provider/ISP outages and protocol/AV issues. Not necessarily a Thunderbird bug, but worth a triage look. Ranked by magnitude.
📈 Trends
Top versions
| Value |
Total |
Trend |
| v140 |
1009 |
▁▁▁▁▁▁▁▁▁▄█▄ |
| v153 |
528 |
▁▁▁▁▁▁▁▁▁▁▁█ |
| v150 |
447 |
▁▁▁▁▁▁▁▁▁▁█▂ |
| v152 |
377 |
▁▁▁▁▁▁▁▁▁▁▆█ |
| v151 |
337 |
▁▁▁▁▁▁▁▁▁▁█▁ |
| v149 |
316 |
▁▁▁▁▁▁▁▁▁▂█▁ |
Top mail providers
| Value |
Total |
Trend |
| m:gmail |
3766 |
▆▆▅██▆▅▆▅▅▄▃ |
| m:microsoftemail |
3041 |
▅▅▄█▇▅▄▅▄▄▄▂ |
| m:yahooemail |
1199 |
▅▄█▇▆▅▄█▇█▆▅ |
| m:comcast |
532 |
▅▇▆██▇▅▇▇▃▆▄ |
| m:spectrum |
467 |
█▆▄▇▅▆▅▆▅▄▆▅ |
| m:att |
300 |
▇▃█▇█▇▅█▅▅▃▂ |
Top protocols
| Value |
Total |
Trend |
| proto:imap |
2914 |
▆▆▆██▇▅▆▅▅▄▃ |
| proto:smtp |
1858 |
▆▆▆█▇▆▅▆▄▅▃▃ |
| proto:pop |
1827 |
▅▅▄█▇▆▅▆▅▄▄▃ |
| proto:oauth |
728 |
▃▂▄█▅▃▃▃▃▄▃▃ |
| proto:caldav |
138 |
▆▆▃▆█▇▆▆▄▆▄▃ |
| proto:carddav |
77 |
▄▅▅▇▇█▃█▅▇▅▃ |
Top antivirus
| Value |
Total |
Trend |
| av:bitdefender |
132 |
▂▂▁▂▂▄▂█▂▂▂▂ |
| av:norton |
124 |
▃▂▅█▆█▃▇▃▃▄▂ |
| av:defender |
104 |
▅▇▄█▅▃▂▄▂▂▄▂ |
| av:avast |
83 |
██▄▅▅▇▃▃▅▄▆▃ |
| av:mcafee |
39 |
▅▂▂▁█▅██▅▃▇▅ |
| av:kaspersky |
36 |
▇▅▂█▆▅▇▆▃▂▁▃ |
OS mix (filter dimension)
| Value |
Total |
Trend |
| os:windows |
8653 |
▃▂▂▃▃▃▂▃▃██▆ |
| os:linux |
1755 |
▆▅▄▆▆▅▅▅▅█▇▆ |
| os:macos |
1164 |
▄▄▃▄▄▄▃▅▃█▇▅ |
| os:other |
132 |
▁▁▁▁▁▁▁▁▁█▃▂ |
| os:android |
103 |
▁▂▂▂▁▂▂▂▂█▆▅ |
macOS releases (filter dimension)
| Value |
Total |
Trend |
| macos:sonoma |
165 |
▄▇▅█▃▂▁▁▂▂▁▁ |
| macos:sequoia |
158 |
▁▁▁▂▆█▄█▄▃▂▂ |
| macos:ventura |
66 |
█▂▂▂▂▂▂▃▂▁▁▁ |
| macos:monterey |
56 |
▆█▆▅▆▇▃▄▃▂▃▃ |
| macos:tahoe |
54 |
▁▁▁▁▁▁▁▃██▄▅ |
| macos:catalina |
51 |
▃▂▃▃▄▃▂█▂▂▂▁ |
Notes: spikes detected at monthly grain (coarser grains catch slow-burn incidents a daily threshold misses — e.g. the March 2026 GMX provider outage). Volume / cause / OS trends span the full scraper history (2023-01+). Version×cause covers 2026-02 onward — the native thunderbird_version field (Kitsune PR #7443) is only populated from Feb 2026 (~27% → 85% by mid-2026), so earlier questions carry no version; cause-level spikes use all history. Thresholds calibrated on the post-backfill baseline. Full IDs per spike in PROJECT1/desktop-monthly-version-cause-spikes.csv (version×cause) and PROJECT1/desktop-monthly-single-spikes.csv (cause-level); full series in PROJECT1/desktop-quarterly-rollup.csv.
Last updated: 2026-08-30 16:37 UTC