Tampermonkey® by Jan Biniok

Recent Changes

5.4.0
2025-09-15
General
Added Blob and File download capabilities to GM_download
Added support for sending ArrayBuffer and UInt8Array objects via GM_xmlhttpRequest
Added the $DATETIME$ variable for use in script templates
Fixed intermittent missing progress events for GM_download and GM_xmlhttpRequest
Fixed response text encoding of fetch-based, non-utf8 GM_xmlhttpRequest
Reworked the storage implementation
Reworked the sandbox console to make its properties configurable
Fixed onurlchange so it fires on hash changes triggered by pushState
Microsoft Edge
Fixed downloading large files in 'native' mode
Fixed importing large scripts
Fixed a GM_xmlhttpRequest issue with large responses when using 'fetch' mode
Fixed the "Message length exceeded" error during script updates
Fixed an issue with downloading large data: URIs
UI
Added commands to jump to the next/previous linter problem
Added an option to show no text, but only the badge on script execution
Improved tag editing for selected scripts
Corrected rendering of SVG script icons
Fixed site favicon issues
Made some more strings translatable (unit, editor commands)
Fixed forced action menu updates
Reworked the UI to better distinguish between scripts that are disabled and those that are enabled but not executed
Sync
Added the user-modified flag to the synced properties to prevent overwriting local changes after a sync
Enhanced OneDrive sync by adopting a standardized URL for file listings
Experimental
Added experimental support for GM_audio
Locales
Updated Greek translation | thanks panos78
Updated Spanish translation | thanks pepe1987 and Texaliuz
Updated Russian translation | thanks Blueberryy
Updated Italian translation | thanks to bovirus
Updated Portuguese-Brazil translation | thanks to igorruckert
Updated Japanese translation | thanks to shirayuki
Updated Vietnamese translation | thanks to IoeCmcomc
5.3.3
2024-12-05
Microsoft Edge
Reintroduce support for GreasyFork to detect Tampermonkey even when developer mode is disabled
General
Fixed the configuration of script positions via drop down menu
Fixed GM.cookie.list() to resolve also if called without an argument
Allow GreasyFork's install button to update correctly after moving a script to the trash
5.3.2
2024-10-29
It is necessary to enable developer mode to run userscripts via Tampermonkey now.
Instructions on how to enable it can be found here.
Microsoft Edge
Switched to Manifest V3
General
Tag support
Added @run-in support
Added a setting to control whether GM_cookie should be able to access HttpOnly cookies
Added button to force update externals
Added multi-value support for storage methods
Fixed header-derived filenames in GM_download
Reworked counting of executed script instances
Enhanced back/forward cache navigation handling
Fixed an GM_registerMenuCommand issue with non-letter accessKeys
Added partitionKey support to GM_cookie
Added cookiePartition support to GM_xmlhttpRequest
Added a warning message when a script without @include and @match entry is saved the first time
Fixed storage change listeners after clicking a download link
Fixed issues with GM_registerMenuCommand if the command was registered multiple times (e.g. from different frames)
UI
Added a button to disable script updates at the update dialog
Improved editor search functionality
Fixed code selection near the top and bottom of the editor
Fixed editor height issue in mobile views
Show an error icon at scripts without any @include and @match entry
Sync
Fixed synchronization issues with WebDAV
MV3
Manifest v3 requires a different workflow when installing a userscript
Note: you can restore the old behavior, by changing Userscript URL detection to Legacy
Locales
Updated Ukrainian translation | thanks to Postrediori and click0
Updated Portuguese-Brazil translation | thanks to igorruckert
Updated Italian translation | thanks to bovirus
Updated Japanese translation | thanks to shirayuki
Known Issues
GM_webRequest is not (yet) supported in Manifest V3
GM_xmlhttpRequest fires only one progress event (you can use responseType stream for now)
In UserScript API Dynamic mode scripts that are using a RegExp @require cause overhead by being injected into every frame
GM_xmlhttpRequests are running serialized workaround available
5.1.1
2024-04-22
It will soon be necessary to enable developer mode to run userscripts via Tampermonkey.
Instructions on how to enable it can be found here.
This release includes significant updates for future Manifest V3 compatibility. Please report any issues here.
General
Introduced a permission editor for enhanced management of host permissions
Updated GM_download to make the name parameter optional and implemented extraction from the response headers
Removed use of deprecated DOMNodeInserted and MutationEvent events
Locales
Updated Italian translation | thanks to bovirus
Updated Portuguese-Brazil translation | thanks to igorruckert
5.1.0
2024-03-15
General
Updated GM_download to initiate downloads in parallel again
Resolved a failure when accessing xhr.responseXML of HTTP responses
UI
Repaired the 'Sync Now' button
Corrected the 'Save To Disk' button in the editor
Sync
Implemented anonymous requests for WebDAV to prevent overwriting of browser sessions
Fixed WebDAV-based sync in cases of unexpected existing folder structures
Reworked to reduce some authentication requests
Locales
Updated Danish translation | thanks to jhertel
Updated Chinese (simplified) translation | thanks to PaperStrike