Crypto: Crash due to new threading model?

[manuroe]

1587106667 - 2020-04-17 06:57:46 +0000
*** Collection <__NSDictionaryM: 0x282205be0> was mutated while being enumerated.
Application: Riot (im.vector.app)
Application version: 0.11.0 (r20200416183147)
Matrix SDK version: 0.15.2
Build: develop #20200416183147
iPhone 13.3.1

Main thread: NO
(
0 CoreFoundation 0x00000001a2faaa5c 7519E999-1053-3367-B9D5-8844F6D3BDC6 + 1227356
1 libobjc.A.dylib 0x00000001a2cd1fa4 objc_exception_throw + 56
2 CoreFoundation 0x00000001a2faa408 7519E999-1053-3367-B9D5-8844F6D3BDC6 + 1225736
3 MatrixSDK 0x000000010407a874 -[MXDeviceList refreshOutdatedDeviceLists] + 220
4 MatrixSDK 0x000000010406a8ec __53-[MXCrypto onSyncCompleted:nextSyncToken:catchingUp:]_block_invoke + 652
5 libdispatch.dylib 0x00000001a2c76610 B9D95EAB-9269-367D-B2F4-C2B45821A32D + 374288
6 libdispatch.dylib 0x00000001a2c77184 B9D95EAB-9269-367D-B2F4-C2B45821A32D + 377220
7 libdispatch.dylib 0x00000001a2c54710 B9D95EAB-9269-367D-B2F4-C2B45821A32D + 235280
8 libdispatch.dylib 0x00000001a2c55128 B9D95EAB-9269-367D-B2F4-C2B45821A32D + 237864
9 libdispatch.dylib 0x00000001a2c5e43c B9D95EAB-9269-367D-B2F4-C2B45821A32D + 275516
10 libsystem_pthread.dylib 0x00000001a2cc6b88 _pthread_wqthread + 276
11 libsystem_pthread.dylib 0x00000001a2cc9760 start_wqthread + 8
)

User-Agent: iOS
Version: 0.11.0
app_language: en
build: develop #20200416183147
default_app_language: en
device: iPhone X
device_id: SNCSEIENHS
lazy_loading: ON
local_time: 2020-04-17 08:59:15
locale: en-GB
matrix_sdk_version: 0.15.2
olm_kit_version: 3.1.0
os: iOS 13.3.1
user_id: @Manu:matrix.org
utc_time: 2020-04-17 06:59:15