Mozilla is testing a new Firefox Nightly feature called Mini Window that lets users pop an entire webpage into a small, always-on-top window stripped of most browser controls. "The idea behind the Firefox Mini Window feature is simple: allow users to move a currently open tab (or a section of a tab) into a separate mini window," writes ZDNet's Jack Wallen. "Think of it as moving a tab from one window to what appears like a web app." From the report: At first blush, there's no address bar, controls, scroll bar, or anything else that would normally be associated with Firefox. The Mini Window appears to be a web app, without having to actually create it. However, when I hover my cursor inside the Mini Window, I do see the address bar, the back/forward/reload buttons, and the window close button -- and that's it. The browser gets out of your way, so the only thing I see is the content. On top of that (pun intended), the Mini Window stays on top of other Firefox windows, so I can have that popped-out content always in focus while I work on other things. This feature comes in handy when I'm working with limited display space (say, on a laptop) and need to reference a page while working on another. For multitasking, it comes in very handy. [...] Let's say I'm writing a paper on Linux and need to read a particular article for background information. I could have my document open in the main window, and then open the article in question in a Mini Window. I could then reference the article without having to click back and forth between them -- even when working on a smaller display. Here's another use case I've found: When using MacOS's Stage Manager feature, I only have one window available at a time. The Mini Window bypasses that limitation, so I can have my main browser window focused as well as the page open in the Mini Window. Another handy way I like to use Mini Window is to open a favorite search engine, move it to a Mini Window, and then I have an always-ready search tool at my fingertips. I could also open my favorite AI service and use it in the same way.

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Mozilla launched a new ad campaign for Firefox that leverages early internet nostalgia in a bid to win back users who switched browsers. "Today's internet tracks you, interrupts you, and asks for permissions it already took. But it wasn't always that way, and it's not how it's supposed to work," writes Mozilla CEO Anthony Enzor-DeMeo in a post on LinkedIn. "It's how a few companies decided it should work, because it pays." "We're making a different bet at Firefox. Remember us? Well, we're still here, and we don't think the internet should be like this..." The ad features viral internet stars from yesteryear, including Tay Zonday of "Chocolate Rain" fame, Gary Brolsma of "Numa Numa", Noah Ritter, better known as the "Apparently Kid", and Laina Morris, the face of the "Overly Attached Girlfriend" meme, among others.

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Firefox 158 is now available with JPEG XL image support enabled by default, making .jxl images a standard part of the browser rather than an experimental feature. The release also adds JPEG XL to Firefox's default image Accept header, improves Smart Window form filling, and brings new CSS typed-arithmetic support for developers. Phoronix reports: At long last, Firefox 158 is ready to go with JPEG-XL image support as an alternative to the likes of WebP, JPEG, PNG, and GIF. The default HTTP Accept header for image requests also now supports "image/jxl" for the JPEG-XL image format. Prior releases of Firefox had JPEG-XL gated by an experimental option. Firefox 158 also now supports filling forms faster in Smart Window when clicking into a form field or selecting Fill from sources. On the developer side, CSS typed arithmetic are now supported to use functions like calc() to divide two values of the same data type even if of different units. Developer changes and release binaries can be found at their respective links.

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Firefox 156 is the second release since Mozilla moved to a twice-monthly release schedule, and the blog OMG Ubuntu notes it has faster start-up times for its built-in PDF viewer and also lower CPU usage when viewing large JPEG images: In Firefox 156, the browser now uses libjpeg-turbo's IDCT scaling to reduce images during decoding, rather than loading a full-size image into memory and then shrinking it. Benchmarks from the bug report show up to 20x less memory used during very large image loading, and decoding is up to twice as fast. Since these speeds were quite fast already, there's no perceptible difference to users. Behind the scenes, it's more efficient. Firefox's built-in PDF viewer starts up to 45% faster in this release. The browser now loads the background PDF.js worker sooner, rather than launching it only when needed. Sponsored suggestions in the address bar are live for users in France, Germany and Italy (Ouais!, Juhu!, etc). These are already available in some other locales. Don't want them? Disable them via Settings > Search > Firefox Suggest > Suggestions from Sponsors. Besides that, the rest of this release is primarily bug fixes — worthwhile and welcome as always. And in about two weeks Firefox 157 will be released, reports PC World. "That update should add support for JPEG XL (JXL), a modern image format that offers the same quality as JPEG at a significantly smaller size. Although JPEG XL was launched in 2021, Safari is the only browser to support it yet. For a short period, Chrome also supported it, but that ended in 2022." Also, a recent Firefox blog post emphasized that it supports whatever level of AI engagement "is right for you... Because the only person telling you how much AI you need should be you." Opting out of upcoming and current AI features on your browser should not require endless navigation through multiple Settings pages. That's why Firefox offers an AI controls section within its General Settings panel. A single, easily located place where you can block current and future AI features and related pop-ups with the swipe of a toggle... For the many people who sit in the middle of the AI usage spectrum, we made sure you can opt in and out of specific features in line with your preferences. Capabilities like AI translations, image alt text in Firefox PDF viewer, tab group suggestions, and key points in link previews can all be individually switched on and off, ensuring you can enjoy such offerings on a case by case basis as it suits your needs... Smart Window is Firefox's most integrated AI experience, but that doesn't mean it compromises our commitment to choice, privacy, and transparency. Our newest window type, which we've been polishing and testing in beta, uses only the context you share with it to help you move work forward and across the finish line. When permitted by you, its built-in, AI-powered assistant can work directly with your open tabs and browsing history to connect the dots. This means comparing information, generating recommendations, summarizing pages, and planning projects without having to feed every crumb of context from your previous and current browsing activity each time you enter a new prompt. And if you want to block Google's AI Overviews, there's over 100 extensions to choose from.

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