v1.20.20

<img src="https://github.com/9001/copyparty/raw/hovudstraum/docs/logo.svg" width="250" align="right"/>

* read-only demo server at https://a.ocv.me/pub/demo/
* [docker image](https://github.com/9001/copyparty/tree/hovudstraum/scripts/docker) ╱ [similar software](https://github.com/9001/copyparty/blob/hovudstraum/docs/versus.md) ╱ [client testbed](https://cd.ocv.me/b/)

there is a [discord server](https://discord.gg/25J8CdTT6G) with an `@everyone` in case of future important updates, such as [vulnerabilities](https://github.com/9001/copyparty/security) (most recently 2026-07-27)

## recent important news

* [v1.20.19 (2026-07-27)](https://github.com/9001/copyparty/releases/tag/v1.20.19) fixed an FTP-server vuln (upload outside defined volumes)
* [v1.20.17 (2026-07-06)](https://github.com/9001/copyparty/releases/tag/v1.20.17) fixed a vuln when a volume has both filekeys and dirkeys enabled
* [v1.20.17 (2026-07-06)](https://github.com/9001/copyparty/releases/tag/v1.20.17) introduced csp nonces, possibly breaking some javascript-based plugins

## 🧪 new features

* #1574 #1585 wopi: probably support onlyoffice as wopi-client (thx @kamaeff!) fdf52a8c 
* #1580 wopi: `--wopi-urls` to choose a different wopi-client url based on current domain (thx @kamaeff!) 24a4090f
* #634 #1033 #1390 correct size of volumes in directory listings (thx @vmattphillips!) 5c157be9
* #1577 thumbnails for krita `.kra` and openraster `.ora` images (thx @Wuerfel21!) 9f5f9d88
* hotkey F4 to reload/refresh the directory listing 2c6497b6

## 🩹 bugfixes

* #1581 ctrl-a in search results 28801172

## 🔧 other changes

* show an explanation in the web-UI if javascript is broken due to misconfigured hosting-stack (the ["csp nonce"](https://github.com/9001/copyparty/#csp-nonce) stuff) 6f924829
* improve upload performance when running behind a buggy or bufferbloating reverseproxy c0c638c9
* #1582 Nixos: fix version checker (thx @sylfn!) 63c61b67

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## ⚠️ not the [latest version](https://github.com/9001/copyparty/releases/latest/)!