| Nightly 39 || Nightly 20150226- || || {{bug|1069869}} || FHR/Telemetry unification landed in Nightly 39 on Feb 25th. Telemetry from Nightly 39 not to be trusted
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| Nightly 37+38+39 || All e10s Nightly until ? || || {{bug|1135076}}, {{bug|1109931}} || e10s childPayloads not implemented correctly, resulting in missing losing child process histograms (except flag histograms?)
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