Insync 3.9.4.60020 startup hangs on Manjaro Linux

Insync 3.9.4.60020, Manjaro (Arch based distribution), KDE Plasma 6, Wayland.
After starting application with insync start --no-daemon, application shows tray icon with exclamation mark, application window remains just a titlebar with white background.
Application logs this (some sensitive info is obfuscted with *):

QFont::fromString: Invalid description 'JetBrainsMono Nerd Font Mono,12,-1,5,400,0,0,0,0,0,0,0,0,0,0,1'

** (process:75694): WARNING **: 14:19:39.718: Failed to load shared library 'libnotify.so.4' referenced by the typelib: /usr/lib/libtiff.so.6: undefined symbol: jpeg12_write_raw_data, version LIBJPEG_8.0
INFO     2024-09-23 14:19:39,881 [mainlogs:_log_run:130] Core(app_version=3.9.4.60020, platform=Linux-x86_64-manjaro/24.1.0pre1) initialized
WARNING  2024-09-23 14:19:39,893 [base_events:_run_once:1900] Executing <Task pending name='Task-9' coro=<init() running at ideskcore/core.py:28> wait_for=<Task pending name='Task-10' coro=<SettingsMain._load_settings() running at ideskcore/mainsettings.py:186> cb=[_log_tb_after_delay() at ideskasync/coreloop.py:302, <TaskWakeupMethWrapper object at 0x7adff25197c0>()] created at ideskcore/mainsettings.py:160> cb=[_log_tb_after_delay() at ideskasync/coreloop.py:302, _chain_future.<locals>._call_set_state() at asyncio/futures.py:391] created at asyncio/events.py:80> took 0.161 seconds
INFO     2024-09-23 14:19:39,918 [mainsettings:_load_settings:236] Loaded settings, machine fingerprint = nI9zHDkjiCc7Jb250z5GXq_n93M=
Exception in thread Thread-2:
Traceback (most recent call last):
  File "threading.py", line 980, in _bootstrap_inner
  File "threading.py", line 917, in run
  File "idesklinux/app.py", line 47, in _catch_mount_unmount_events
AttributeError: 'LinuxApp' object has no attribute 'core'
INFO     2024-09-23 14:19:40,313 [inotify_manager:__init__:132] INotifyManager FS_ENCODING: utf-8
INFO     2024-09-23 14:19:40,313 [fswatcher:_start:57] LinuxFSWatcher._start
INFO     2024-09-23 14:19:40,314 [inotify_manager:_pull_loop:315] Inotify loop enter
INFO     2024-09-23 14:19:41,219 [fswatcher:watch:77] watch origin: /home/pcacic/Insync/pcacic@gmail.com/Dropbox
INFO     2024-09-23 14:19:41,228 [inotify_manager:__init__:132] INotifyManager FS_ENCODING: utf-8
INFO     2024-09-23 14:19:41,228 [fswatcher:_start:57] LinuxFSWatcher._start
INFO     2024-09-23 14:19:41,229 [inotify_manager:_pull_loop:315] Inotify loop enter
INFO     2024-09-23 14:19:41,302 [fswatcher:watch:77] watch origin: /home/pcacic/Insync/pcacic@gmail.com/Google Drive
INFO     2024-09-23 14:19:41,312 [inotify_manager:__init__:132] INotifyManager FS_ENCODING: utf-8
INFO     2024-09-23 14:19:41,312 [fswatcher:_start:57] LinuxFSWatcher._start
INFO     2024-09-23 14:19:41,314 [inotify_manager:_pull_loop:315] Inotify loop enter
INFO     2024-09-23 14:19:41,504 [app:start_core:67] core started
INFO     2024-09-23 14:19:41,508 [unix_socket_server:start:106] unix socket server thread start
INFO     2024-09-23 14:19:41,579 [fswatcher:watch:77] watch origin: /home/pcacic/Insync/pcacic@tis.hr/OneDrive Biz
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
ERROR    2024-09-23 14:19:44,839 [oauth2client:__refresh:346] Encountered HTTPResponseError(<HTTPStatus.BAD_REQUEST: 400>, b'{"error":"invalid_grant","error_description":"AADSTS50078: Presented multi-factor authentication has expired due to policies configured by your administrator, you must refresh your multi-factor authentication to access \'00000003-0000-0000-c000-000000000000\'. Trace ID: e4373362-2464-4482-97b7-e3e487198800 Correlation ID: 4a13102b-aae4-4300-a208-a3847ff777a2 Timestamp: 2024-09-23 12:19:44Z","error_codes":[50078],"timestamp":"2024-09-23 12:19:44Z","trace_id":"e4373362-2464-4482-97b7-e3e487198800","correlation_id":"4a13102b-aae4-4300-a208-a3847ff777a2","suberror":"basic_action"}') while refreshing, bad request?
ERROR    2024-09-23 14:19:44,839 [oauth2client:__refresher:275] While getting access token
Traceback (most recent call last):
  File "idesksync/oauth2client.py", line 332, in __refresh
  File "idesknet/httpclient.py", line 190, in request
idesknet.httpclient.HTTPResponseError: (<HTTPStatus.BAD_REQUEST: 400>, b'{"error":"invalid_grant","error_description":"AADSTS50078: Presented multi-factor authentication has expired due to policies configured by your administrator, you must refresh your multi-factor authentication to access \'00000003-0000-0000-c000-000000000000\'. Trace ID: e4373362-2464-4482-97b7-e3e487198800 Correlation ID: 4a13102b-aae4-4300-a208-a3847ff777a2 Timestamp: 2024-09-23 12:19:44Z","error_codes":[50078],"timestamp":"2024-09-23 12:19:44Z","trace_id":"e4373362-2464-4482-97b7-e3e487198800","correlation_id":"4a13102b-aae4-4300-a208-a3847ff777a2","suberror":"basic_action"}')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "idesksync/oauth2client.py", line 271, in __refresher
  File "idesksync/oauth2client.py", line 349, in __refresh
idesksync.clouderrs.InvalidToken
INFO     2024-09-23 14:19:45,329 [cloudwork:prompt_reauthenticate:1013] Prompting reauthentication because of error InvalidToken()
INFO     2024-09-23 14:19:45,356 [syncwork:add_prompt:449] Prompt added: ReauthenticationPrompt(account=Account(cloud='od', id='****************', email='*********', name='Petar Ćaćić', photo_url=None, extras={'api_id': '**********', 'api_secret': None, 'refresh_token': '***********', 'account_id': None, 'team_id': None, 'license_text': '{"data":"{\\"user_id\\": \\"**********\", \\"email\\": \\"***************\\", \\"subscriptions\\": [{\\"name\\": \\"Personal Sync & Backup\\", \\"code\\": \\"personal-backup\\", \\"capabilities\\": [\\"shared\\", \\"one_way_sync\\", \\"backup\\"], \\"status\\": \\"active\\", \\"expiry\\": null, \\"is_recurring\\": false}], \\"token\\": \\"***************\\", \\"can_activate_backup_trial\\": false}","signature":"*************"}\n', 'quota_info': '{"used_bytes": 4786287587, "limit_bytes": 1099511627776}'}, added_at=1718347150.0, read_only=0), reason='is invalid')
ERROR    2024-09-23 14:19:45,408 [platui_impl:display_notification:82] Cannot initialize notifications.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&&&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&&&&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&&&&&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.
ERROR    2024-09-23 14:27:03,242 [platui_impl:display_notification:82] Cannot initialize notifications.
ERROR    2024-09-23 14:27:13,745 [platui_impl:display_notification:82] Cannot initialize notifications.
js: Access to XMLHttpRequest at 'https://us.i.posthog.com/decide/?v=3&ip=1&_=1727093981687&ver=1.110.0&retry_count=1&&&&&&' from origin 'file://' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute.

Thank you for posting about this, and my apologies for the trouble!

Let me forward this to our engineers for further investigation.