On November 4, 2019, the developers updated the Tor browser to version 9.0.1. This is a maintenance update that fixes several bugs and updates components.
The release notes list the following changes to Tor browser version 9.0.1.
All Platforms
* Update NoScript to 11.0.4
* Bug 21004: Don't block JavaScript on onion services on medium security
* Bug 27307: NoScript marks HTTP onions as not secure
* Bug 30783: Fundraising banner for EOY 2019 campain
* Bug 32321: Don't ping Mozilla for Man-in-the-Middle-detection
* Bug 27268: Preferences clean-up
* Windows + OS X + Linux
* Update Tor Launcher to 0.2.20.2
* Bug 32164: Trim each received log line from tor
* Translations update
* Bug 31803: Replaced about:debugging logo with flat version
* Bug 31764: Fix for error when navigating via 'Paste and go'
* Bug 32169: Fix TB9 Wikipedia address bar search
* Bug 32210: Hide the tor pane when using a system tor
* Bug 31658: Use builtin –panel-disabled-color for security level text
* Bug 32188: Fix localization on about:preferences#tor
* Bug 32184: Red dot is shown while downloading an update
* Android
* Bug 32342: Crash when changing the browser locale
