Telemetry/Errata

* All dates & buildID ranges are inclusive intervals (the range includes the endpoints)

Please help keep this page complete & up to date!

Affected products (bugs in client)	Affected BuildIDs	Affected dates (bugs in server)	Bug #	Description
Up to Nightly 42	<=20150728		bug 1183632	Single-process Firefox was reporting child process payloads generated by the thumbnailing service
Nightly/Aurora 40 & 41	<=20150721		bug 1168835	TELEMETRY_ARCHIVE_EVICTING_OVER_QUOTA_MS incorrectly included quota checking time.
All (Nightly 41-Release 38)	All, 20150602 and earlier	June 1, 2015	Mailing list thread	New pipeline data outage, 2015-06-01 14:22-18:33UTC
Nightly/Aurora 40 & 41	All profiles updating to a build >=20150528		bug 1161515	previousSubsessionId & profileSubsessionCounter are reset with Nightly 20150528.
Nightly/Aurora 40 & 41	All pings until 20150507		bug 1157359	subsessionId chaining and profileSubsessionCounter broken, they are reset with Nightly 20150508.
Nightly & Aurora 40/41	20140414-		broken by bug 1100501, fixed by bug 1156857	Histograms are gone from e10s child payloads
All	All	March - now	bug 1146512	Telemetry aggregation job is significantly slower, causing missing data in dashboards for 1 week+
All	All	April 3 - April 7 *NEW* pipeline only	bug 1151839	Missing telemetry data in S3 on+after April 3rd, new pipeline only! Data isn't lost forever
All	All	Forever - Mar 12	bug 769844	Some UTF8 characters were replaced with a unicode placeholder character \fffd due to a bug in the server code.
Nightly 39	Nightly 39 up to and including 20150305072141	Feb 25 - Mar 5, 2015	fix	Fallout from unification. Unified pings converted to saved-session pings by the server had classicPing.info.OS set to "Windows_NT" instead of "WINNT". As a result, both version will be visible in the "OS" dropdown for Nightly 39 in the Telemetry dashboard.
Nightly 39	Nightly 20150226-20150311		bug 1140055	Fallout from unification. ping.payload.environment.addons.activeTheme may be missing?
Nightly 39	Nightly 20150226-20150310		bug 1139548	Fallout from unification. No Telemetry collected from sessions shorter than a minute.
Nightly 39	Nightly 20150226+		bug 1069869	FHR/Telemetry unification landed in Nightly 39 on Feb 25th. Telemetry from Nightly 39 not to be trusted
Nightly 37+38+39	All e10s Nightly until 20150307		bug 1135076, bug 1109931	e10s childPayloads not implemented correctly, losing child process histograms (except flag histograms?)