Since the 2022120600 update my wifi became super unreliable, as the connection frequently stalls out and requires multiple attempts to load anything. Did some testing and figured out that it only occurs on a connection with the SSID hidden. Issue completely goes away when it's broadcasted. No configuration has changed; the only thing different was the system update.
Terrible wifi connection with hidden SSID since 2022120600
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The same was discussed very recently in the thread: wifi connection issues.
You can remove the wifi connection from your phone and set new connection with explicitly choosing hidden network in advance settings. See if that helps. Otherwise you can send a bug report or confront your favourite web search engine.