Dungeons Not Spawning [Experimental Toggle Only]

Also, although there is no command to search for dungeons, there is a website to search for these structures. Before 1.17, you could use the app to instantly find the dungeons. Now with 1.17, using the same app, the locations where it marks the dungeons do not appear when you play the game. Not a feature request, definitely 100% a bug. I'm not requesting a new feature, I'm simply requesting that they return dungeons back to the game.

The website you linked shows that dungeons spawn in both 1.16 and 1.17. I tried teleporting to the locations listed by the website and 8 of 10 times there was a dungeon. What it also shows however is that dungeons now spawn 70% less than before. You can compare the two images I've attached. I suspect that the change might have been to achieve parity, though.

Chunkbase shows where the dungeons should be; however, they are not there when you actually load in, and go to the coordinates.

Did you actually load in the game and teleport to those dungeon locations 8 out of the 10 times in 1.16/1.17 or did you just look at the output from Chunkbase?  In 1.17, when I visit the locations Chunkbase lists, there is no dungeon, 100% of the time. 

The fact that they are not generated cannot be said. However, this site may be inaccurate and may not contain entirely correct information, etc.

From this site only 1 of 4 dungeons was not generated for me. And in one there was no spawner because of the rails, but the structure itself was generated 😂.
Please tell me if you turned on the "caves and cliffs" switch?

We may not be able to reproduce this problem due to the fact that it does not exist without the "caves and cliffs" switch enabled.

I tested this on version 1.17.10.23 with no experimental gameplay.

Removing 1.17.0 from affected versions because this issue is not present in that version. Repeating the teleportation in 1.17.0.23 beta yielded no dungeons.

@unknown could you provide the seed where dungeons generate?

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Observed Results:
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Expected Results:
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@unknown 
MCPE-132396 has at least some steps to reproduce, but so far we have not determined how to reproduce this problem. It seems to me that this affects certain seeds...

@unknown 
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However, this does not work with the "caves and cliffs" switch enabled

@unknown I already created a bug for this in the format you specified. It was marked as a duplicate, as you can clearly see.

@everyone else: I have been playing on the 1.17.10.23 beta with the caves and cliffs switch enabled. Perhaps this is why I am unable to see any dungeons. For now, using cave spider spawners to create xp farms as they seem to be unaffected in mineshafts.

Update this report to include playback steps)

Summary:
Dungeons are not generated when the "caves and rocks" switch is on

Description:

Steps to Reproduce:

1. Create a new world with the experimental "caves and cliffs" feature

2. Try to find a dungeon

Observed Results:

You won't be able to find any dungeons.

Expected Results:

Dungeons will be generated.

Notes:

You can also use this website when searching for dungeons.
However, remember that the site may contain errors...

I can't update this report since I didn't create this ticket. However, I can post what I posted on the ticket that was prematurely closed.

Editing this as  @unknown seems to have it down in the comment above. Thanks!

After looking at the world with "caves and cliffs" enabled, it became clear that dungeons are not being created ...
Also remember that previously loaded territory may already contain dungeons. Therefore, it is important to create a new world to check this error!

I believe that @unknown's issue would actually already be covered by MCPE-121708, so I am requesting it to be relinked as such.

Also, I initially confirmed the report as my initial test on the beta found no dungeons, while another device on 1.17.0 running the same seed and same coordinates contained dungeons. In subsequent tests, however, I was able to find dungeons in other seeds, and creating a new world with the same seed from the positive test yielded dungeons, hence my confirmation would be void as I could not reproduce it consistently.

@unknown Gotcha, thanks!

@unknown 
I disagree with you. A problem in MCPE-121708 affects the lack of generation of structures above height 0. But below height 0, dungeons should then be generated. This issue applies to 121708, but not exactly the same. As I understand it, dungeons above height 0 are not generated due to 121708, and below 0 due to the fact that they are not programmed to generate below 0...
Correct me if I'm wrong!