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  • Announcing Interop 2024

    Following the success of Interop 2023, we are pleased to confirm that the project will continue in 2024 with a new selection of focus areas, representing areas of the web platform where we think we can have the biggest positive impact on users and web developers.

  • Option Soup: the subtle pitfalls of combining compiler flags

    During the Firefox 120 beta cycle, a new crash signature appeared on our radars with significant volume. Engineers working on Firefox, explore the subtle pitfalls of combining compiler flags.

  • Puppeteer Support for the Cross-Browser WebDriver BiDi Standard

    Puppeteer now supports the next-generation, cross-browser WebDriver BiDi standard. This new protocol makes it easy for web developers to write automated tests that work across multiple browser engines.

  • Firefox Developer Edition and Beta: Try out Mozilla’s .deb package!

    A month ago, we introduced our Nightly package for Debian-based Linux distributions. Today, we are proud to announce we made our .deb package available for Developer Edition and Beta!

  • Introducing llamafile

    We're thrilled to announce the first release of llamafile, inviting the open source community to join this groundbreaking project. With llamafile, you can effortlessly convert large language model (LLM) weights into executables. Imagine transforming a 4GB file of LLM weights into a binary that runs smoothly on six different operating systems, without requiring installation.

  • Mozilla AI Guide Launch with Summarization Code Example

    Mozilla has just launched the AI Guide, a collaborative hub for developers to join forces, inspire each other, and lead the way in groundbreaking generative AI advancements. The AI Guide’s initial focus begins with language models and the aim is to become a collaborative community-driven resource covering other types of models.

  • Down and to the Right: Firefox Got Faster for Real Users in 2023

    To deliver against our vision and enable a better online experience for everyone, we’ve been working hard on making Firefox even faster. We’re extremely happy to report that this has resulted in a significant improvement in speed over the past year.

  • Built for Privacy: Partnering to Deploy Oblivious HTTP and Prio in Firefox

    Protecting user privacy is a core element of Mozilla’s vision for the web and the internet at large. In pursuit of this vision, we’re pleased to announce new partnerships with Fastly and Divvi Up to deploy privacy-preserving technology in Firefox.

  • Faster Vue.js Execution in Firefox

    Firefox performance on Vue.js has improved significantly throughout the year. Most recently, we sped up reactivity with Proxy optimizations. This change landed in Firefox 118, so it’s currently on Beta and will ride along to Release by the end of September.

  • Autogenerating Rust-JS bindings with UniFFI

    This blog post will walk through how we developed UniFFI: a Rust library for auto-generating foreign language bindings. We will walk through some of the issues that arose along the way and how we handled them.

  • So you want to build your own open source ChatGPT-style chatbot…

    Artificial intelligence may well prove one of the most impactful and disruptive technologies to come along in years. We want to understand, support, and contribute to these efforts because we believe that they offer one of the best ways to help ensure that the AI systems that emerge are truly trustworthy. With this in mind, a small team within Mozilla’s innovation group recently undertook a hackathon at our headquarters in San Francisco. Our objective: build a Mozilla internal chatbot prototype.

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