Mozilla Maps Out Firefox Features: Tab Groups, PDF Editing, AI Tools on the Way
Mozilla published its 2026 development roadmap for Firefox on June 16, outlining features the company is actively building for both desktop and mobile versions of its browser.
The Firefox team announced the plan on the Mozilla blog and shared highlights on the r/firefox subreddit alongside a roadmap image.
Tab Groups and Settings Overhaul Now Rolling Out
Firefox 152, currently rolling out, brings Tab Groups to Android — a feature that lets users organize open tabs into named, color-coded collections to reduce clutter on mobile screens.
iOS support for Tab Groups is planned for a later release.
The same update ships a redesigned settings page intended to make controls easier to locate, along with a new “Blocked Tracker” widget that displays a running count of trackers Firefox has stopped.
What’s Coming Next
The roadmap flags customizable keyboard shortcuts as a future addition — a feature competing browsers have offered for years.
PDF editing tools will expand inside the browser to support splitting, merging, and reorganizing documents without requiring an external application.
Mozilla also plans to introduce Multi-Account Containers natively — dedicated browser spaces that separate activity such as work and personal browsing within Firefox itself, without third-party extensions.
The company’s Built-In VPN, currently available on desktop, will extend to smartphones.
AI Features in Development
Mozilla is building two AI-driven features into Firefox.
The first, Quick Answers, lets users submit voice queries and receive AI-generated responses that include cited sources.
The second, Smart Window, aims to deliver a private AI-assisted browsing experience, though Mozilla has not released technical details on how it will handle User Data.
A Power Saving Mode is also in development for mobile, designed to detect resource-heavy tabs and optimize them to extend Battery Life.
Testing Ground
Users who want early access to these features can monitor Firefox Nightly builds — Mozilla’s experimental release channel for testing functionality not yet ready for general use.
Recent Nightly builds have added the option to hide the Firefox logo from the New Tab page, among other small changes.
Mozilla has scheduled a Reddit AMA for June 24 at 12 p.m. ET to field questions about the roadmap.
Internal Tension in the Background
Not everyone inside Mozilla welcomes the current direction.
A veteran Firefox developer recently left the company and publicly cited concerns that Firefox was drifting too close to Chrome’s design philosophy — a critique that drew significant attention in developer communities.
Firefox holds roughly 2.7% of the global browser market, according to StatCounter, trailing far behind Google Chrome, which commands over 65%.
Mozilla, a nonprofit organization, depends on search partnership revenue — predominantly from Google — to fund Firefox development, a financial arrangement that has drawn scrutiny over potential conflicts of interest in the browser market.
