[Bug]: Slow dashboard loading

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

After upgrading to Nextcloud 32.0.5, dashboard takes very long time to load.
This issue was there much older versions and it was fixed until before the latest current version.

On Ubuntu 24.04 with PHP 8.3 and Redis.

Steps to reproduce

1. Upgrade to version 32.0.5.
2. Try to access the dashboard.

Expected behavior

Dashboard should load much faster.

Nextcloud Server version

32

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.3

Web server

Nginx

Database engine version

MariaDB

Is this bug present after an update or on a fresh install?

Updated from a MINOR version (ex. 32.0.1 to 32.0.2)

Are you using the Nextcloud Server Encryption module?

Encryption is Enabled

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

{
    "system": {
        "loglevel": 3,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "overwrite.cli.url": "https:\/\/nextcloud.kernelone.com",
        "trusted_domains": [
            "nextcloud.kernelone.com",
            "localhost",
            "127.0.0.1"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "32.0.5.0",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "memcache.local": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0,
            "timeout": 0
        },
        "twofactor_enforced": "true",
        "twofactor_enforced_groups": [
            "admin",
            "Users",
            "Fresh_Registration"
        ],
        "twofactor_enforced_excluded_groups": [],
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "465",
        "allow_local_remote_servers": true,
        "mail_smtpsecure": "ssl",
        "mail_smtpstreamoptions": {
            "ssl": {
                "allow_self_signed": true,
                "verify_peer": false,
                "verify_peer_name": false
            }
        },
        "maintenance_window_start": 1,
        "app_install_overwrite": {
            "0": "xwiki",
            "1": "gpxmotion",
            "3": "empleados",
            "4": "ldapcontacts",
            "5": "tasks"
        },
        "maintenance": false,
        "theme": "",
        "enforce_theme": "",
        "default_phone_region": "EG",
        "updater.release.channel": "stable",
        "files.chunked_upload.max_size": 20971520,
        "max_upload_size": 2048000,
        "mail_smtpauth": true,
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***"
    }
}

List of activated Apps

Enabled:
  - activity: 5.0.0-dev.0
  - admin_audit: 1.22.0
  - announcementcenter: 7.3.0
  - app_api: 32.0.0
  - appointments: 2.6.2
  - bruteforcesettings: 5.0.0-dev.0
  - calendar: 6.1.5
  - call_summary_bot: 3.2.0
  - circles: 32.0.0
  - cloud_federation_api: 1.16.0
  - collectives: 3.5.0
  - comments: 1.22.0
  - contacts: 8.3.1
  - contactsinteraction: 1.13.1
  - dashboard: 7.12.0
  - dav: 1.34.2
  - deck: 1.16.3
  - encryption: 2.20.0
  - external: 7.0.0
  - federatedfilesharing: 1.22.0
  - files: 2.4.0
  - files_downloadlimit: 5.0.0-dev.0
  - files_pdfviewer: 5.0.0-dev.0
  - files_reminders: 1.5.0
  - files_sharing: 1.24.1
  - files_trashbin: 1.22.0
  - files_versions: 1.25.0
  - firstrunwizard: 5.0.0-dev.0
  - integration_jira: 1.4.1
  - ldap_contacts_backend: 1.12.0
  - logreader: 5.0.0-dev.0
  - lookup_server_connector: 1.20.0
  - nextcloud_announcements: 4.0.0-dev.0
  - notes: 4.13.0
  - notifications: 5.0.0-dev.0
  - notify_push: 1.3.0
  - oauth2: 1.20.0
  - password_policy: 4.0.0-dev.0
  - passwords: 2025.12.21
  - photos: 5.0.0-dev.1
  - privacy: 4.0.0-dev.0
  - profile: 1.1.0
  - provisioning_api: 1.22.0
  - qownnotesapi: 25.8.0
  - recommendations: 5.0.0-dev.0
  - registration: 2.8.0
  - related_resources: 3.0.0-dev.0
  - secrets: 2.1.4
  - serverinfo: 4.0.0-dev.0
  - settings: 1.15.1
  - sharebymail: 1.22.0
  - sms_relentless: 1.4.6
  - spreed: 22.0.8
  - support: 4.0.0-dev.0
  - survey_client: 4.0.0-dev.0
  - systemtags: 1.22.0
  - tasks: 0.17.1
  - text: 6.0.1
  - theming: 2.7.0
  - twofactor_backupcodes: 1.21.0
  - twofactor_totp: 14.0.0
  - updatenotification: 1.22.0
  - user_ldap: 1.23.0
  - user_status: 1.12.0
  - viewer: 5.0.0-dev.0
  - webhook_listeners: 1.3.0
  - workflowengine: 2.14.0
Disabled:
  - breezedark: 29.0.0 (installed 29.0.0)
  - cospend: 3.2.0 (installed 3.2.0)
  - federation: 1.22.0 (installed 1.22.0)
  - files_external: 1.24.1
  - gpxmotion: 0.1.0 (installed 0.1.0)
  - gpxpod: 7.2.4 (installed 7.2.4)
  - mail: 5.6.9 (installed 5.6.9)
  - phonetrack: 0.9.1 (installed 0.9.1)
  - registertocontact: 0.0.1 (installed 0.0.1)
  - side_menu: 5.1.3 (installed 5.1.3)
  - suspicious_login: 10.0.0-dev.0 (installed 6.0.0)
  - theming_customcss: 1.19.0 (installed 1.19.0)
  - twofactor_nextcloud_notification: 6.0.0-dev.0
  - weather_status: 1.12.0 (installed 1.9.0)
  - xwiki: 1.0.0 (installed 1.0.0)

Nextcloud Signing status

Nextcloud Logs

Additional info

No response

Start by reproducing the dashboard loading problem in the dashboard app on Nextcloud 32.0.5 with the reported PHP, Redis, MariaDB, and Nginx environment, then compare it with the earlier working version. No source file, failing test, logs, or specific regression point is provided; done means isolating the cause and demonstrating faster dashboard loading.