(Solved) It seems Nextcloud iOS 5.0.1.0 App Integration not working

Nextcloud version Nextcloud Hub 7 (28.0.2)
Operating system and version Debian 12 (bookworm) (Turnkey linux)
Debian Kernel: 6.1.0-18-amd64
PHP version 8.2.7
iOS app version: 5.0.1.0
iOS version: 15.8.1

Files integration on iOS with the Nextcloud iOS app is ot working for me. I can log into the Nextcloud app ok, i can browse and see files. But when i try to attach any file from mail client, it sees only folders from starting point (root), but when i choose subfolder it tries to find them just to render zero files. No errors, no popups.
The option to disable files integration in the Nextcloud app, advanced settings, is NOT enabled.

Is there anything i need to do? Im using this setup for year now. I did no changes to configuration, only regular updates.

Heres log which i found on Nexcloud server which might be on interest:

{
  "reqId": "Zc-n9956mhOpV9RwPdHnPgAAAAA",
  "level": 3,
  "time": "2024-02-16T18:22:47+00:00",
  "remoteAddr": "192.168.1.1",
  "user": "--",
  "app": "no app in context",
  "method": "REPORT",
  "url": "/remote.php/dav/files/ha11oga11o",
  "message": "Could not decrypt or decode encrypted session data",
  "userAgent": "Mozilla/5.0 (iOS) Nextcloud-iOS/5.0.1",
  "version": "28.0.2.5",
  "exception": {
    "Exception": "Exception",
    "Message": "HMAC does not match.",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/nextcloud/lib/private/Security/Crypto.php",
        "line": 119,
        "function": "decryptWithoutSecret",
        "class": "OC\\Security\\Crypto",
        "type": "->",
        "args": [
          "*** sensitive parameters replaced ***"
        ]
      },
      {
        "file": "/var/www/nextcloud/lib/private/Session/CryptoSessionData.php",
        "line": 90,
        "function": "decrypt",
        "class": "OC\\Security\\Crypto",
        "type": "->",
        "args": [
          "*** sensitive parameters replaced ***"
        ]
      },
      {
        "file": "/var/www/nextcloud/lib/private/Session/CryptoSessionData.php",
        "line": 67,
        "function": "initializeSession",
        "class": "OC\\Session\\CryptoSessionData",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/private/Session/CryptoWrapper.php",
        "line": 112,
        "function": "__construct",
        "class": "OC\\Session\\CryptoSessionData",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 449,
        "function": "wrapSession",
        "class": "OC\\Session\\CryptoWrapper",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 705,
        "function": "initSession",
        "class": "OC",
        "type": "::"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 1200,
        "function": "init",
        "class": "OC",
        "type": "::"
      },
      {
        "file": "/var/www/nextcloud/remote.php",
        "line": 119,
        "args": [
          "/var/www/nextcloud/lib/base.php"
        ],
        "function": "require_once"
      }
    ],
    "File": "/var/www/nextcloud/lib/private/Security/Crypto.php",
    "Line": 158,
    "message": "Could not decrypt or decode encrypted session data",
    "exception": [],
    "CustomMessage": "Could not decrypt or decode encrypted session data"
  },
  "id": "65cfab042d4ce"
}

Hello,

just to add, on PC client work fine. On iOS itself client works fine too. But actuall iOS app integration does not. I tried to delete cache in app, but that led so i cant even see root folders anymore. Now β€œNextcloud” folder says 0 files. Only i can see recent.

Only when i deleted NC app from phone, rebooted, install back it works. This is really frustrating quirk.

Now, all my dates are from today on files, and struggle to find relevant data begins.

But it works. Maybe devs could pay bit more attention about breaking that sync for us.

Anyways, thank you guys for all your kind work.

Cheers