Client lag/issues since latest update

Howdy, Been using the new client for probably upwards of a month with no real issues, however for the last few days I've had a few issues - When creating/joining a lobby, my 'portrait' doesn't appear for 5-10 seconds, and I'm just stuck on the background. - When searching for a game/starting a game there can also be about 10 seconds of 'nothing' before everything loads. - Not a client issue so to speak, but ingame, if I press escape, then escape again to go back to the game, there's roughly 4 seconds of lag where nothing moves. Deffo not a PC/internet issue, both are well above what's required.
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