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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
https://github.com/ferrocene/specification
They do say any differences between it and upstream behavior or documentation is a defect in the spec, not upstream. So it isn't authoritative. Unless we all decide it is.
Here is one I know of: https://github.com/rust-lang/rust/pull/90346
I believe this is one as well: https://github.com/rust-lang/rust/pull/113535
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