3.8.0-beta1

❗️Breaking Changes

For developers: The API to generate the download URL now does not guarantee to present full URL, only path and queries in most cases.

🎁 New Features

• Brand new thumbnail processing pipeline, supporting more generators for images, videos, and Office documents. You can extend the thumbnail capability of 3rd party storage policy using a "Generator proxy". Details: https://docs.cloudreve.org/use/thumbnails (#1309, #1589, #1364, #1461)
• Add overwrite support for moveFiles and copyFiles. (#1679 @xkeyC)
• Support Nexcloud custom headers (mod date and checksum) for Rclone. (#1690 @WeidiDeng)
• Persist cache and session into disk before shutdown.
• New magic variable for "File name without extension". (#1718 @arkylin)
• Use custom values for expiration and limited downloads. (#1671, #862)

🛠 Enhancements

• Use just-in-time host in download URl, instead of SiteURL in site settings. (#1647)
• Detect and specify mime type for files uploaded to S3 and OSS. (#1681, #1678)

🐛 Bug Fixes

• Cannot set preferred language for LibreOffice online.