Nextcloud

Automatic photo backup works mostly but not always, which is not acceptable for backups, and the user is tempted to try Immich.

Affects: people backing up phone photos

The upgrade aborts with an exception about a NotNull column having an empty default, forcing the user to patch a core script.

Affects: admins on PostgreSQL

Uploads and downloads on an SMB share end up truncated because data blocks are cut to 8192 bytes.

Affects: admins using SMB shares

A common self-hosting problem, an instance stuck in maintenance mode, has a simple fix but the documentation is poor and fragmented across old issues.

Affects: self-hosters

After upgrading, cron.php saturates the CPU once a day and the logs give no indication of what it is doing.

Affects: small VPS admins

Affects: Android users

Affects: Thunderbird users

Affects: admins

Affects: admins migrating databases

Affects: 10 person team

Affects: team running Collabora with Postgres

Affects: organization users

Affects: users on high-latency connections

Affects: self-hosters

Affects: people backing up phone photos

Affects: iOS users

Affects: admins with external storage

Affects: admins using federation

Affects: people sharing folders by email

Affects: iOS users syncing a password vault

Affects: calendar subscribers

Affects: desktop client users

Affects: iOS users backing up photos

Affects: Windows desktop users

Affects: admins on Arch Linux

Affects: admins on MariaDB 10.6

Affects: teams sharing calendars by group

Affects: desktop sync users with multiple accounts

Affects: admins using server-side encryption

Affects: users with many files

Affects: admins using S3 primary storage

Affects: self-hoster

Affects: admins using S3

Affects: Lighttpd admins

Affects: new Linux users

Affects: desktop client users with large libraries

Affects: self-hoster

Affects: admins using server-side encryption

Affects: small-scale self-hosters

Affects: admins with external SMB shares

Affects: iOS users

Affects: users migrating from Microsoft or Google

Affects: self-hoster

Affects: home self-hoster

Affects: admins using S3 storage

Affects: people receiving files via share links

Without syncing only changed bytes, the user cannot use the product with 30-100 GB encrypted volumes.

Affects: users syncing very large container files

The official Docker image does not support .heic files, which the user needs for iPhone pictures, and they cannot add it themselves.

Affects: iPhone users on the Docker image

A user considering moving to Nextcloud is held back by lacking a good spreadsheet editor.

Affects: individuals leaving Google Workspace

Organizations moving away from LDAP want single sign-on through OpenID Connect providers such as Azure AD or Google Apps.

Affects: organizations using Azure AD or Google Workspace

Web apps on other domains cannot store user data in Nextcloud because the necessary CORS headers are not set.

Affects: web app developers

Affects: homelab operator hosting for family

Affects: self-hosting family admin

Affects: people sharing photo folders

Affects: admins

Affects: admins

Affects: people uploading to file-drop shares

Affects: mobile calendar users

The Android auto-upload feature for photos fails often, so the user uses a separate WebDAV client instead.

Affects: Android users

A long-time user of eight years finds the release cadence a heavy maintenance burden for a small personal need and is moving to Syncthing.

Affects: single-user self-hoster

Data pasted via the Files app integration was not synced and silently lost because the app had disconnected, which made the user stop using it.

Affects: iOS users

After a few hours of testing, the user abandoned Nextcloud due to several desktop client bugs and plans to pay for Dropbox.

Affects: Windows and Mac desktop users

Syncing a KeePass vault through a self-hosted Nextcloud repeatedly hit sync problems, so the user moved to Bitwarden.

Affects: password vault sync users

On a modest VPS, Nextcloud consumed too many resources, so the user moved file sync to Syncthing on the local network.

Affects: self-hoster on a small VPS

Affects: Windows desktop sync user

Affects: Linux desktop user