In the past few hours Blizzard has released the first blog post after-launch dedicated to Overwatch 2, in which the issue of rebalancing of heroes. 

In competitive titles it is normal to have frequent balance patches to bring shocks to the meta, however the company has been keen to emphasize that at least for the moment, there are no buffs and nerfs to the FPS roster, at least for this season. Blizzard appears to be pleased with the win rate of the various heroes, who according to the company all roam between 45 and 55%, and there are therefore no particularly dominant (or subdued) performances

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The second competitive season of Overwatch 2 will begin at December, and it will therefore be in a couple of months that we can expect the first big patch that will change the numbers of the heroes.