Conceding opportunity without priority
After experiencing several losses by the Bloodthirsty Conqueror & Marrauding Blight-Priest (or Starscape Cleric) combo, I come to think it is a bug that MTG Arena does not allow a player to concede when they have no priority. As you can see in this forum, many players dislike this combo, and its bad experience is improved by the current UI design. In a paper Magic game, I can just say "OK, you win." and quit. However, in MTG Arena, I need to keep watching my life is slowly decreasing with some irritatingly large bombing sounds for a while (unless I have something actionable.) Just providing an immediate conceding opportunity to an about-to-lose player would absorb the hate against this combo.
Steps to reproduce the bug
Play against a player who uses the deck containing the two particular cards, and get the bombo, when you have no instant cards in your hand and you have no activated abilities you can activate.
Platform
PC (Windows 11 Pro 23H2 build 22631.4751)
Actual results
You have no way to concede the game.
Expected results
You can concede the game during the infinite triggers before your life total becomes zero.
Relevant screenshots/videos
Not available for the moment.
Workaround
Not known.
Note
This is a bug filing version of a problem posted in https://feedback.wizards.com/forums/918667-mtg-arena-bugs-product-suggestions/suggestions/49178120-concede-button-bloodthirsty-conqueror as a product suggestion, because I consider the current behaviour is rather a serious flaw in the UI design than a program feature that could be improved.

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grayehound#52140 commented
Complete agreement on this. At this point, everyone should see the stupid combo coming a mile away, and if you’re stuck hoping you draw an answer before that Conqueror lands, you probably deserve to sit through the repetitive nightmare that is the results.
There must be a way to add a trigger when the game identifies an endless loop (it can identify an endless loop, right? It not THAT hard to code) to trigger a “Hey, wanna just give up?” window. But, the again, most of the devs are probably working through the stacks and stacks of bugs and really don’t care about niche cases that already have a solution…you wait.