Game keeps glitching (tabbing out) as if Diablo 4 is not in-focus

Dear Blizzard,

I am having some issues with Diablo 4 on my PC, where the game keeps trying to ‘Alt-Tab’ out of the Game.

I have an ultrawide AW3423DWF monitor and I play on Windows (Fullscreen), since there is no real fullscreen option. I have also selected the ‘Lock Cursor’ option, but it did not help.

I notice this issue start occurring once I need to Alt-Tab out (intentionally) of game, to check some Guides or browser the web. After that, the game will become glitchy at times (it occurs often during the fights when I start to spam keys and mouse clicks), where it feels like my PC is ‘detecting/capturing’ clicks in windows which are in background (game is in foreground).

My HW Specs are:
i7-13700k
RTX 4090
32 GB DDR5
1 TB Samsung NVMe

Otherwise the game runs smooth on Ultra settings. However, this technical issue is really annoying, and since I have only one single ultrawide monitor, I am destined to Alt-Tab from game to check on Guides / Streams / YouTube / etc.

I kindly ask for your support with this.

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