This problem has been present since midseason of Plunder and has not been acknowledged in any of the official channels.
The problem persists as of today. I tested it.
Hopefully it'll get seen by someone
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I hope so too. It specifically had a buff "Spark of Frequency" that appeared for 5 seconds, give or take, that massively increased reload speed. Since midseason of Plunder, it no longer appears and does not provide the reload speed.