On March 24, 2026, Mozilla officially released Firefox 149.0 to the Release channel This article explores firefox 149 available. . The update is mostly about making user privacy and security stronger.

The best new feature in this version is a free built-in VPN that gives you 50 GB of protected data each month. In addition to this big privacy upgrade, the new version of the browser includes important security patches, strong blocking of notifications from malicious sites, and developer features that work behind the scenes to make the web safer. The biggest change is that there is now a free, built-in VPN service in the browser. With a monthly data limit of 50 GB, the tool is great for keeping users safe on public Wi-Fi networks that aren't secure or when they're doing sensitive research, like looking up health or banking information.

Mozilla is using a progressive rollout strategy for this tool. This means that it is first being released to users in the US, UK, Germany, and France, and then it will be available to everyone around the world. Firefox 149.0 is now available from Mozilla.

The release is all about tools for security and productivity. Adding a Share button to the toolbar is now easy for users. Users in Australia, India, Italy, Poland, and Austria can now use Address Autofill. The release turns on the new Reporting API for developers, which gives them a standard way to keep an eye on Content Security Policy (CSP) violations.

To learn more about the release, go to Mozilla.com. You can get private help by calling the Samaritans at 08457 90 90 90, going to a local Samaritans branch, or going to www.samaritans.org.

In the U.S., you can call 1-800-273-8255 or go to www.suicidepreventionlifeline.org. Call 08457 909090 or click here for help in the UK.