- PHP v8.0 support.
- 2FA integration for site login.
--- New admin site settings option to enable the feature.
--- User can enable/disable 2FA via account settings.
--- Admin area option to reset 2FA by user.
--- User login process updated to prompt for 2FA, if enabled.
--- Admin login has separate prompt for 2FA, if enabled.
- Social login updated to request 2FA, if enabled.
- Admin option to purge application cache on file servers aswell as the main local server.
- File referrer lock. Added optional account setting to whitelist referring domains on file download links. If set, only the set domains can link to files outside of the site.
- Added API documentation page on the front-end of the site. Option to disable via admin site settings.
- Added "duplicate file to account" button on file preview page so files can be easily copied.
- Performance improvement to md5 hash generation for large files.
- Admin area site setting option to disable md5 file hashing over certain file sizes. Resolves md5_file() performance issues on low resource hosts.
- Added reason for file removal on delete. For example, admin/user removed, copyright claim or system expired. Shown when trying to access the download url.
- Added option to set download pages by file type aswell as account type.
- Improved system logging within the upload process.
- Improved file manager "Copy Urls to Clipboard" to include all selected folders rather than just the current.
- Added UID to each log session to simplify reviewing log history.
- Minor file manager UI improvements. Including left-clicking to clear selected, context menu & drag start location tidy ups and selected folder reload on paging.
- Various Spirit theme responsive view improvements.
- Improvement to layout when viewing the register page on smaller height resolutions.
- Improved file meta description and keywords tags for SEO.
- Moved caching of used server storage space value into cron task, rather than each file upload, for better performance.
- Updated loading of file by shortUrl so it is case sensitive.
- Added support for SSH keys aswell as passwords, in file server SSH connection details.
- Updated token download urls for media so they always includes the filename, for third party player compatibility.
- Added catch in core database class for "SQLSTATE[HY000]: General error: 2006 MySQL server has gone away" errors. Attempts to reconnect rather than exiting.
- Fix to video playback on Safari when not using XSendFile or XAccelRedirect.
- Fix to enforce UTF8 character encoding on email sending.
- Fixed issue which caused some cache files to not be queued for deletion on 'direct' file servers.
- Fixed logo within emails so it's replaced with the one set via the theme settings.
- Fixed issue with admin area delete user function, which sometimes caused uploaded files not to be removed.
- Fixed double icon issue when file preview "Show Thumbnails" option disabled.
- Fixed issue with erroneous HTML being output on uploader when file previewer plugin disabled.
- Fixed issue with "download as zip" to ensure the zip file name on the server is always unique.
- Ensured folderHash is set on folder creation within the file import plugin.
- Fix to "Query Type" wording on contact email notification.
- Fix to paid account expiry date not working on API account edit.

Plugins:

- Stripe:
--- Upgraded to offsite payment API.
- Rewards:
--- Improvement to cookie clearing on affiliate tracking.
--- Fix to unique index on 'plugin_reward_aggregated' which may cause DB errors.
--- Note DB changes for this plugin release in:
----- \plugins\rewards\offline\upgrade_sql_statements\v21 - v22.sql
- File Leech:
--- Migrated to v5.
- Archive Manager:
--- Added detailed logging.
--- Added options to set full zip/rar binary paths in plugin settings. Solves some cron task issues in certain environments.
--- Added support for connecting to file servers using SSH keys aswell as passwords.
- File Previewer:
--- Performance improvement on thumbnail generation cron.
- Media Converter:
--- Added support for connecting to file servers using SSH keys aswell as passwords.
- FTP Plugin:
--- Added passive mode admin option.
--- Fixed CORS issue on import, when using an external file server as the FTP host.
- S3 Storage:
--- Moved actual S3 file deletes into the file action queue to improve performance.
- Wasabi Storage:
--- Moved actual Wasabi file deletes into the file action queue to improve performance.

Release notes: There are database changes with this release. Please apply the SQL in /install/resources/upgrade_sql_statements/v5.2.0.sql. Upload the following folder contents to apply the code changes:

/app
/plugins
/themes

Please see the script documentation for other upgrade guidance.

v5.1.0 - Text File Previews, Video Subtitles, Adblock Improvements, Url Download Progress, Other Fixes and Improvements - 14th December 2020