• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2026-02-25)

recent important news

• v1.20.9 (2026-02-25) fixed CVE-2026-27948 (XSS)

🩹 bugfixes

• #1311 fix login (broke in v1.20.9) ecdfd2d

🔧 other changes

• warn that config-reload doesn't do global-options a29037a

🌠 fun facts

• rushing out a cve-fix in the wee hours of the morning before the 9-5 is a great idea that never goes wrong
  • 10/10 will probably do again

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2026-02-25)

⚠️ ATTN: this release fixes an XSS vulnerability

GHSA-62cr-6wp5-q43h could let an attacker execute arbitrary JS by tricking you into clicking a malicious link 31b2801

known issue: login broken, fix roughly 8pm UTC tonight

🔧 other changes

• webdav: dav-port can be used as an alternative to daw d21242f

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🧪 new features

• #1298 add Hungarian translation (thx @sonacl!) eefb181 f37c3b9
• #1299 chown now accepts 4-digit values (thx @new-sashok724!) 5a7504f

🩹 bugfixes

• audioplayer skip-silence:
  • #1303 clamp ffwd to safe values (thx @icxes!) f5e70c7
  • fix crash on folderchange f1a433a

🔧 other changes

• due to legal reasons, the docker-images and bootable flashdrive are now unable to create thumbnails of HEVC/h265 videos and heif/heic images 1bec91d
  • this primarily means photos/videos taken with iphones (and maybe some samsung phones)
  • on the bright side, this has made the docker-images much smaller; ac is now half the size it used to be, and iv / dj are each 97 MiB smaller

🌠 fun facts

• if you wanna see your car doing its best impression of a frictionless spherical cow, I can warmly (heh) recommend the icy snowcoated countryroads of viken this weekend
  • goes oddly well with sakuraburst - deconstructing nature

⚠️ not the latest version!

Releases Notes for 29.5.2

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 39.6.1
• #2301 , #2341
• Updates to draw.io core 29.5.2.

Releases Notes for 29.5.1

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 39.6.1
• #2332 , #2334
• Updates to draw.io core 29.5.1.

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🧪 new features

• now possible to upload/delete files while the filesystem-indexer is still busy d44ea24 0ca4c1b
  • global-option fika decides which actions to allow while still indexing; default is upload+copy+delete
  • full deduplication is only guaranteed if this option is set blank, as dupes are allowed while indexing
• #1266 browsers can request thumbnails as jxl images, and view jxl files in the gallery (thx @intelfx!) b2711e0 720c83b 93ffc65 a65a30b a7a25de 59de5e2 16403d8 48c1017 0e8913c
  • only works in browsers which support jxl, which is FINALLY happening (sure took a while)
  • some notes on memory/RAM usage though -- it is fine on Alpine Linux, so docker is also fine, just don't enable mimalloc
    • jxl can be disabled with global-option th-no-jxl if necessary on baremetal deployments until libvips fixes this
• #1265 audioplayer can "skip silence" now (thx @icxes!) 6694998
• #1287 opensearch support for opds (thx @philips!) 84e687a
• #1276 option rw-edit is the list of file-extensions that can be edited as textfiles with only permissions read+write (default is md like before); all other files still require read+write+delete 312f48e d692838
• #1288 option to customize the links copied when selecting files and pressing ctrl-c (thx @icxes!) e5d0a05
• docker: add env-var DI_PREPARTY to run an arbitrary script during startup, for customizations and such bf01ca4

🩹 bugfixes

• #1279 the textfile-viewer would refuse to load huge documents when hotlinked f02e9cf
• #1280 the custom rightclick-menu was enabled in the textfile viewer fc8a4b8
• #1262 logtail now works on windows; would previously take an exclusive-lock on the monitored file, as windows does by default a368fc6

🔧 other changes

• volumes are hidden from the treeview if the name starts with a dot 76041fd
• #1277 descript.ion files no longer require the e2d and e2t options to be enabled 4cb4e82
• chunked PUT-uploads are now terminated if they exceed a configured size limit dfadb5a
• #1282 improved compatibility with GraalPy (thx @vgskye!) e8609b8
• #1292 #1296 updated Esperanto translation (thx @slashdevslashurandom!) 418bf2f 914f84c
• thumbnails: use libvips as fallback for rawpy 27ae2e1
  • libvips doesn't support .arw files (sony) yet, so still need rawpy
• make server config slightly easier:
  • improve xff warnings 96aeb89
  • warn if config-values are quoted 598df44
  • lowercase headernames in configs fd09638

🌠 fun facts

• the fika option sends the filesystem-indexer on a coffee break
• exci wants me to mention aoi yuuki here for some reason :^) so here's gekisou gungnir

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🧪 new features

• #1264 now possible to grant the get permission when creating a share 95b827f
  • the button was already there, but until now it did nothing

🩹 bugfixes

• a safeguard (24141b4) added in v1.20.5 was too strict and would block requests from certain reverseproxies, specifically anything that adds X-Forwarded-HTTP-Version 72224d2

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🧪 new features

• #1240 webdav clients can now set fractional last-modified timestamps (thx @jcwillox!) 296362f
• #1260 add support for running the server with GraalPy (thx @vgskye!) 73d06ea
• #1182 pressing CTRL-C will copy links of selected files to clipboard 9c14972

🩹 bugfixes

• #1248 shares: fix the buttons for extending expiration time b6bf6d5
• #1242 webdav: fix «MacOS Finder» taking forever to connect (thx @freddyheppell!) 8e046fb
• ie11 would spinlock in write-only folders 5c4ba37

🔧 other changes

• fast again! ed6a8d5
  • replaced the connection:close band-aid added in v1.20.4 with a proper fix that doesn't make things slower behind reverseproxies
  • I've tried everything I can think of (with nginx as reverseproxy) and can't notice any difference in behavior, but please let me know if this breaks anything for you 🙏
• #1245 updated Portuguese translation (thx @000yesnt!) 69fa1d1
• #1259 OpenRC: add command to test config (thx @lotsospaghetti!) 79273a7
• #1257 removed the nth global-option because it was never implemented (thx @stackxp!) 22cdc0f
• syntax highlighter: added languages nasm + nix, removed autohotkey + cmake b20d325

🌠 fun facts

• http/1.1 still tends to be faster than http/2 and http/3 for large transfers which is the main reason copyparty hasn't made the change
  • eh, not really a fun fact I suppose ┐( ´ w `)┌

⚠️ not the latest version!

Releases Notes for 29.3.6

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 38.8.0.
• Updates to draw.io core 29.3.6. 29.3.6 are added in this build.

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🩹 bugfixes

• #1235 rightclick-menu: fix creating new files/folders in gridview (thx @SpaceXCheeseWheel!) ffca67f
• #1231 fix http desync if the urlform global-option was changed to get
  • this initial fix only applies when reverse-proxied, in which case copyparty will now always connection:close (don't reuse tcp/uds connections), as giving each client a fresh socket helps avoid all such issues e1eff21 b4fddbc
  • the expected performance impact from this change is near-zero for real use, even if benchmarks show a 40% reduction in requests/sec in the absolute-worst-case (burst of cheap requests)
  • a future version will also fix this issue for non-proxied clients

🔧 other changes

• #1229 updated the Esperanto translation (thx @slashdevslashurandom!) 1142ac2
• #1232 shares: if an external domain is configured, then show both the LAN and external link for each share 81e5eb7

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

🧪 new features

• send-message-to-serverlog now also available as url-parameter ?smsg=foo 6dcb1ef
  • option smsg configures which HTTP-methods to allow; can be set to GET,POST but default is only POST because GET is dangerous (CSRF)

🩹 bugfixes

• #1227 dillo was not able to login because dillo is more standards-compliant than every other browser (nice) b4df8fa
• a web-scraper which got banned for making malicious requests could remain banned for one request longer than intended (wait why did I fix this) ba67b27
• ?ls was still a bit jank 0a3a807

🌠 fun facts

• this 6AM release was powered by void/mournfinale
• was going to name the release "dilla på dillo" but somehow google-translate thinks that means "fuck on fuck" which would have been inappropriate

⚠️ not the latest version!

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

recent important news

• v1.19.8 (2025-09-07) fixed CVE-2025-58753 (a missing permission-check inside single-file shares)
• v1.15.0 (2024-09-08) changed upload deduplication to be default-disabled

🧪 new features

• #1212, #1214 range-select in the grid-view by click-and-drag (thx @icxes!) 3e3228e 72c5940
• #134 xattrs (linux extended file attributes) can now be indexed and searchable 8240ef6
• rightclick-menu:
  • #1184 add rename option (thx @stackxp!) 25a8b96
  • #1216 add sharing options (thx @stackxp!) ffb2560
  • #1198, #1206 also works in the search-results view (thx @hackysphere!) 04f612f d32704e
• option to override the domain in certain links, so copyparty returns an external URL even if you're accessing it by a LAN address:
  • #1211 newly created shares 41d3bae
  • #255 newly uploaded files d925553
• new option vol-nospawn (volflag nospawn) to not automatically create the volume's folder on the server's HDD if it doesn't exist
• new option vol-or-crash (volflag assert_root) to intentionally crash on startup if a volume's folder doesn't already exist on the server HDD
• new option --flo to tweak the log-format used by the -lo option for logging to a file 826e84c
• #1197 u2c (commandline uploader): give up and crash if server is offline for longer than 3 minutes (configurable) 67c5d8d

🩹 bugfixes

• #1203 configured chmod/chown rules were not applied when a file was being deduped bef0772
• the unlistc* volflags could not be specified for single-file volumes 2664891
• the defensive renaming of uploaded readmes/logues would assume the default filenames, not considering the recently added option to customize these names c17c3be
• #1191 the ipu option can once again be used to reject connections from certain IP-ranges caf831f
  • this was a regression in v1.19.21 causing the server to crash on startup if such a config was attempted
• some empty folders could be created during startup in certain server-configs with nested volumes 4e67b46
• api: trying to ?ls nested virtual folders could return an error 6675039
• ui/ux:
  • #1179 improve errormessage if audio transcoding fails 7357d46
  • ensure a trailing slash when viewing a folder with the h permission; good for relative links in html-files

🔧 other changes

• #1193, #1194: NixOS improvements (thx @toast003!) 9d223d6 d5a8a34
• truncate huge errormessages from ffmpeg so the log doesn't get flooded 3aebfab
• ui/ux:
  • the dl button (to download selected files individually) now skips folders, since that never worked bc24604
  • #1200 add html classes to make custom styling easier c46cd7f
  • rephrase errormessages from see serverlog to see fileserver log
• docs:
  • mention in the readme that uploading files from a deeply nested folder using a webbrowser on Windows can fail because browsers don't handle the max-pathlen limitation of Windows optimally (not a copyparty-specific issue, but still hits us)

🌠 fun facts

• n/a; no fun has been had since v1.20.0
  • (that's a lie btw, sniffing the airwaves is pretty darn fun 😁)

⚠️ not the latest version!

Fix issue #463: Don't add a missing XML declaration on save.
Fix issue #460: Remove formatting for XML elements that are not allowed to contain whitespace (XSD Schema content model is Empty, Mixed, or TextOnly).

Releases Notes for 29.3.0

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2306 , #2307
• Uses electron 38.7.2. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.3.0. 29.3.0 are added in this build.

Releases Notes for 29.2.9

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #1745 , #1229
• Uses electron 38.7.2. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.2.9. All changes from 29.0.4 to 29.2.9 are added in this build.

Releases Notes for 29.0.3

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 38.7.0. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.0.3. All changes from 29.0.0 to 29.0.3 are added in this build.

Releases Notes for 28.2.7

Windows Installer
Windows No Installer (zip)
macOS - Universal

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2219 , #2190 , #2176 , #2214 , #2209
• Uses electron 37.7.1
• Updates to draw.io core 28.2.7. All changes from 28.2.6 to 28.2.7 are added in this build.

Releases Notes for 28.2.8

Windows Installer
Windows No Installer (zip)
macOS - Universal

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2233 , #2221 , #2227
• Uses electron 38.4.0. Support for macOS 11 is now end of life.
• Updates to draw.io core 28.2.8. All changes from 28.2.8 are added in this build.

Releases Notes for 28.2.5

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 37.6.1
• #1837 , #2213 , #2209 ,
• Updates to draw.io core 28.2.5. All changes from 28.1.3 to 28.2.5 are added in this build.

Releases Notes for 28.1.2

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 37.2.3
• Security fix in node-tmp
• Updates to draw.io core 28.1.2. All changes from 28.0.7 to 28.1.2 are added in this build.

Releases Notes for 28.0.6

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Update for CVE-2025-7783 fix. We can't see any way to use this in a desktop tool, but we have to release because it's critical and SOC status will blink red somewhere.
• Updates to draw.io core 28.0.6
• Uses electron 37.2.3
• Updates to draw.io core 28.0.6. All changes from 28.0.5 to 28.0.6 are added in this build.

Releases Notes for 28.0.4

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Fixes PDF title [#2130]
• Uses electron 37.2.1
• Updates to draw.io core 28.0.4. All changes from 27.1.0 to 28.0.4 are added in this build.

• read-only demo server at https://a.ocv.me/pub/demo/
• docker image ╱ similar software ╱ client testbed

there is a discord server with an @everyone in case of future important updates, such as vulnerabilities (most recently 2025-09-07)

recent important news

• v1.19.8 (2025-09-07) fixed CVE-2025-58753 (a missing permission-check inside single-file shares)
• v1.15.0 (2024-09-08) changed upload deduplication to be default-disabled

🧪 new features

• #1174 add Japanese translation (thx @tkymmm!) b918b59
• #1164 rightclick-menu now works in the gridview too (thx @Foox-dev!) feabbf3
• #1176 IP to bind can be specified per protocol 87a5c22

🩹 bugfixes

• various SFTP fixes (i blame the single tschunk on day 3):
  • #1170 be more lenient regarding stat permissions 9030828
  • #1170 deletes could return EPERM when ENOENT was more appropriate 8c9e101
  • #1170 files would be created with an extremely restrictive chmod 2f4a30b
    • certified octal moment
  • write-only folders could return ENOENT 6c41bac
• #1177 disk-usage quotas became incompatible with shares in v1.20.0 038af50
• appending to existing files with ?apnd was possible in volumes with non-reflink dedup, where it could propagate to deduped copies of the file 738a419
  • (was only possible for users with write+delete perms, so at least it couldn't be used for nefarious purposes)
• rightclick-menu: "copy link" would strip filekeys 3a16d34

🔧 other changes

• copyparty.exe: updated pillow to 12.1.0 a9ae6d5

🌠 fun facts

• tschunk is the sound a hacker makes as they faceplant onto the table after having one too many
  • also see the funfacts in the previous release for more CCC hijinks :p

⚠️ not the latest version!

Fix issue #463: Don't add a missing XML declaration on save.
Fix issue #460: Remove formatting for XML elements that are not allowed to contain whitespace (XSD Schema content model is Empty, Mixed, or TextOnly).

Fix issue #430: Autoformat on Save with empty XML-Elements.
Formatting Options has new setting to format Xml attributes each on a separate line.

Fix issue #425: "No byte order mark on save" option throws stream closed exception add unit test.
Apply dark mode to window titlebar.

Fix issue #418: check setttings-file for "read-only".
Fix issue #398: XmlNotepad detects xml-errors at empty nillable xsd:date Elements, but xml is correct

Issue 409: Not able to validate XML against multiple not referenced Schemas
Issue 329: Incomplete schema validation of large XML files ( > ~20 MB).
Report invalid characters undex 0x20.
Fix unit tests so they run on Windows 11, including a work around for dotnet/winforms#10244.

Issue 324: Generate xml from schema, see ttps://youtu.be/5I_q1oXz02I.
Issue 385:: "XML Reload" removes loaded XSLT. You can now get auto-reload when xml file changes on disk
and you can turn off the prompt in options dialog and it will reapply the XSLT automatically.
update to WebView2 version 1.0.2739.15
Also preserve the selection in the XML tree view across file reloads.