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I had posted the same in a different thread when it first started for me.

@New_Roosterman passed me the following Reddit link:

https://old.reddit.com/r/StarWarsSquadrons/comments/jk8mz5/coming_back_after_a_2_week_hiatus_yay_fps...

Basically it's an EA rep saying they tried to tune matchmaking to make it more regional but may have overcorrected.