About this extension

Tampermonkey is the most popular userscript manager, with over 10 million weekly users. It's available for Chrome, Microsoft Edge, Safari, Opera Next and Firefox.

Tampermonkey makes it very easy to manage your userscripts and provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export (Google Drive, Dropbox, OneDrive), automatic update checks and also browser and cloud storage based synchronization. And finally it's compatible to Greasemonkey up to version 3.x with experimental 4.x support.

Note: If you want to install the more often updated BETA version, then you can get it from here: https://tampermonkey.net/?browser=firefox

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Release notes for 4.18.1

General
Fix GM_unregisterMenuCommand
Fix GM.saveTab
Make @sandbox always default to raw
Make console methods enumerable again
Disable wrappedJSObject compatibility option by default

Firefox
Fix variable access via unsafeWindow in JavaScript sandbox mode
Fix instant injection in combination with document-start scripts
Fix communication with external pages
Fix some CSP issues by injecting the script code earlier

Sync
Fix an issue that script updates were disabled on sync triggered change imports

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