The developers of the Tor Browser (or The Tor Network) released the update to version 7.5.4 on May 9, 2018. Here is an overview of what has changed.
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What is Tor?
Tor is a software package designed to make communication on the Internet anonymous and protect those involved. The data is sent via a distributed network of Tor relays operated by volunteers around the world. This is to prevent third parties from recognizing from the Internet connection which websites a user visits and where the user's physical location is (e.g. to block websites).
Included is the Tor Browser (Firefox-based), which communicates over the Tor network and is available for Microsoft Windows, Apple MacOS or GNU/Linux. Tor is portable, so you can use its features without installing any software. Tor can run from a USB flash drive, for example, and comes with a preconfigured web browser to protect anonymity. The whole package is self-contained (portable).
Tor Browser 7.5.4
The new version 7.5.4 of the Tor browser is a maintenance update based on Mozilla Firefox 52.8.0 ESR. The Tor Browser 7.5.5 changelog lists the following fixes for all platforms:
- Update Firefox to 52.8.0esr
- Update HTTPS Everywhere to 2018.4.11
- Update NoScript to 5.1.8.5
- Bug 23439: Exempt .onion domains from mixed content warnings
- Bug 22614: Make e10s/non-e10s Tor Browsers indistinguishable
- Bug 22659: Changes to `intl.accept.languages` get overwritten after restart
- Bug 25973: Backport off-by-one fix (bug 1352073)
- Bug 25020: Add a tbb_version.json file
