Removed Legacy Mirrors

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Bas Schouten

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May 20, 2026, 4:39:10 PM (2 days ago) May 20
to dev-pl...@mozilla.org, firef...@mozilla.org

In line with our attempts to move all of our work to glean and save on the cost of our legacy telemetry, I’ve landed a patch that stops us from mirroring a large number of performance related telemetry probes to legacy telemetry. This means that if anyone has queries, dashboards, etc. that depend on one of those legacy probes, they might now stop updating. If you were still using them, migrating them should be easy, see https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/start/remove-telemetry.html#migrating-legacy-telemetry-analyses for instructions.

 

If you need additional assistance, please feel free to reach out.

 

https://arewegleanyet.com/

 

Bas

Alessio Placitelli

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May 21, 2026, 4:03:18 AM (yesterday) May 21
to Bas Schouten, dev-pl...@mozilla.org, firef...@mozilla.org
Great job, Bas!

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