Using a vulnerability in the Dota 2 client, hackers launched a script that constantly sent invitations to a team or guild - due to the frequency of requests, it was impossible to block them. At the same time, after accepting the invite, the attacker instantly left the group and continued to spam. With the new patch, the client will automatically decline team invites when searching for a match.
When you want to practice, bots are fantastic as moving targets and you can alter their difficulty according to your skill level. If you feel that the default bots aren’t posing a challenge to you, here’s how to change bot difficulty in CS2.