Don't try to play Crucible, Gambit or Trials right now. Servers are super laggy and a lot of errors are occourring.
[b]
UPDATE:[/b] Bungie is still investigating, nothing new so far - https://twitter.com/BungieHelp/status/1373714456975339521
[b]UPDATE 2:[/b] Things are getting better now. Still I wouldn't raccomend to risk playing Trials for a Flawless Card -
https://twitter.com/BungieHelp/status/1373732706975031298
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Nothing to investigate - they aren't paying for good/enough servers, and everything is p2p trash. They're just going through the motions to make people think they actually care.