(iOS) Repetitive crashing on 1.16.20

We also have this problem on different iOS devices: iPhone 11, iPad Pro 12.9" (2. Generation), iPad 9" (6. Generation)

I have attached the logs of three subsequent crashes. All seem to relate to http-requests made from the XBox-Service. Hopefully just a faulty JSON that is causing the problems...

Some additional information that may be of use.  I upgraded to 1.16.20 iOS and was experiencing crashes every 5-10 minutes.  Never had a crash before upgrading.  However, we have two other iPads in the household that were not crashing after upgrading.  One of the differences was that my iPad was pointing to a different DNS server - a machine in my home network.  I removed the custom DNS settings and tried again.  No crashes since.  The DNS server is part of PiHole, so it’s possible that it is interfering with some communications, resulting in the crash.

Geoff,

I'm also running PiHole.  I checked my logs and the top blocked domains are all Microsoft and Apple related.  I've made no manual changes, they're presumably on one of the default blocklists.

I can confirm, it seems to be related to DNS blocking (I also run PiHole). Whitelisting the following two domains seems to have helped:

• vortex.data.microsoft.com

• xboxlive.com.akadns.net

I am also using a blocker, called dnscloak. I don't have much experience, but maybe its similar to pihole? It blocks and logs domains,

This has been happening to me also. But, I have missing villagers and the mine carts I run despawn after the crash. I lost a few Librarians and two Clerics alone today. 

@@unknown entities disappearing from the world save after a crash is a known issue, see MCPE-21416.

This is also prevalent on xbox, ps4, switch and android. It's annoying and frustrating at the same time

Same here, lots of crashes on iPad. We also use Pi-Hole and after whitelisting the microsoft domains the crashes were solved.

I can confirm that adding vortex.data.microsoft.com to my allowlist stops the iOS crashes. 

I'm a programmer (in a totally different area) but presumably when the telemetry code fails to resolve the IP address or deliver its payload there is an unhandled exception which insta-crashes the entire app.  I'll set my tinfoil down for now but would like to see this fixed. It's my right to block telemetry information gathering I have no way to opt out of nor inspect the content of.

Pls fix ASAP I’m starting to crash every 2 mins :/

Can also confirm that whitelisting vortex.data.microsoft.com in PiHole avoids the issue.  This is still a bug - the application should not be crashing.

Related: achievements also do not work with this domain blocked.  I noticed a while ago that I was not getting achievements awarded (I suspect even before the Nether update).  Once this domain was whitelisted, they started working again.  Since the achievements are part of Microsoft’s ecosystem, it is quite reasonable that they would not work if communication to Microsoft fails.  However, this should probably be communicated in-game as a warning rather than as a silent failure.

I crash at random times when doing anything. I mostly play servers with my brother and we both crash at random times. He is on the latest IOS but I am not. We do not crash when not using wifi. When I crash I am just taken into my phones home screen. I have an iPhone XR and before this update I ran the game very smoothly even with shaders and high res texture packs. Please fix

Same issue. Ipad mini. No issues prior to 1.16.20 update.

Now crashes the game intermittently - sometimes immediately, sometimes after a few minutes, usually we get 6-10 mins of play before it crashes, the longest we've managed is about 25 minutes without a crash so far but that's the exception.

Issue occurs whether playing local single player, local multiplayer (hosted on this ipad or on a laptop), or bedrock dedicated server games. 

Kid is getting extremely frustrated, please fix! 

This also affects android

This issue is affecting me as well, seems to have occurred roughly at the time of 1.16.02 nether update. I play on an iPhone and after timing it, I find my game crashing every 10 minutes. Sometimes I loose progress that I have made in those few minutes, but also if I am in the process of crafting up an item, I loose all materials that I have put into the crafting table. It’s starting to get on my nerves as I’ve lost some very valuable items. If this could be fixed soon, we would all be very grateful! Thank you. 

I actually took a look at this issue and it appears to happen due to overheating issues. Also the marketplace seems to cause this issue quite often too.

This DOES NOT affect my iPad. I have had no problems with crashing in 1.16.20. Make sure that you have updated to the latest iOS.

I have an idea in which the problem could be linked to. I have uninstalled the app and it was working fine up until I logged into my Microsoft account at that point the game crashed and I have not been able to open the app. since without it crashing in the loading screen. I hope this helps towards fixing the problem.

If you are not connected to the Internet and do not have cellular data, you will not be able to open Minecraft without it crashing in the loading screen. Make sure that you have a stable connection to the internet.

Hi update on my recent comment on this subject I believe it has some problem connecting to Microsoft accounts causing the app to crash I have a few reasons to believe this 1. When I uninstalled the game it was working fine until I had logged into my Microsoft account. 2. Just now I had an idea to confirm if it was the problem and turns out it very well may be. When the game logs you into your Microsoft account it needs WiFi if there is no WiFi it does not log into the account so with this in mind I turned off my WiFi and what do you know it let me play the game with no problems. So I do hope this helps you fix the game because even though I play mostly on xbox and windows 10 I do still enjoy the fact that I am able to play on the go. Hope you see this and that it helps.

Fixed at 1.16.40

This issue was reported fixed in the 1.16.40 changelog. If anyone is still experiencing this issue, add a comment explaining what still doesn't work.

Hello,

I have the same problem (but on Android, v.1.16.40). When I open the game it sometimes crashes for no reason. But when it opens normally, as it should, and I start playing in my singleplayer world (I don't play on servers or on multiplayers worlds) it crashes every 10/15 minutes. My phone is not connected to wifi but I am logged on my Microsoft account.

I usually don't have internet on my phone, so I used to play in 1.16.1 and had no bugs issues. But I recently connected to wifi and updated to 1.16.40 and it started crashing. 

I read it is supposed to be fixed but it is not for me, do someone knows what is happening? 

I apologize for my terrible english.

@End Rst: this ticket is for an iOS problem. Since you are on Android, please search for a ticket that describes what you are experiencing on Android, or create a new report.