08-04-2026 10:58 AM - edited 21-04-2026 06:43 AM
Hi everyone,
We’re starting an early test of Smart Window in Firefox and wanted to create a place to gather feedback.
If you’re here from Firefox and already have access to Smart Window, please tell us what’s working, what isn’t, and what you’d want next. If you’re visiting this post and don’t see Smart Window in Firefox yet, that’s expected: we’re starting by inviting a small number of waitlist users. You can sign up for the waitlist here: https://www.firefox.com/en-US/smart-window/?view=waitlist
First, and most important: the Firefox you already know isn’t changing. Your regular and private browsing windows work exactly as they do today.
Smart Window is a separate, optional window in Firefox where you can interact with an AI assistant of your choice while you browse, intended to think with you, not for you. It’s designed to help you:
A few things we want to be clear about:
This is still early, and we know AI in browsers raises real questions around trust, usefulness, and control. We’re trying to build this in a way that’s transparent and genuinely helpful in day-to-day browsing, but this is very much a work in progress.
Because this post is public, not everyone reading it will have access yet. That’s okay. General thoughts are welcome, and hands-on feedback from people using Smart Window in Firefox right now will be especially helpful as we improve it.
Thanks for helping shape where this goes.
28-06-2026 07:09 AM
Hello
Have you tried
1 - Go to configuration editor https://support.mozilla.org/en-US/kb/about-config-editor-firefox
2 - Enter a search term browser.smartwindow.enabled
You can double-click on the preference to set the value to true
24-06-2026 09:30 PM
Adding a voice input mode instead of having to type everything would be helpful.
28-06-2026 05:53 AM
Hello, thank you for this new feature
I have a few things I'd like to report.
1. I'm using vertical tabs. When the vertical tab bar is pinned open, it respects the colour theme of the smart window interface but when it's not pinned open, it immediately changes colour and does not follow the smart window theme anymore. That does not look good since the theme should be unified.
2. when I resize the ask bar in my preferred width the position is not remembered, I have to resize it every time I restart the browser. Is there a way that it stays in my preferred width?
3. I understand why you choose to give this feature a distinct theme in order to clearly separate it from the default Firefox experience and avoid any confusion. However I would appreciate an option to use the same theme that I'm using everywhere else in Firefox. Or allow some sort of personalisation where the user could choose the colour of the smart window user interface. Personally I would turn it the same colour with my normal Firefox.
4. Everytime I restart the browser my default home page appears with the smart window side bar open on the right side. Only on a new tab the all new interface with the search in the middle of the screen appears. Is this normal behaviour or there is something wrong?
Thank you very much for exploring this as a feature. As AI is being more and more integrated in modern browsers, Firefox should definitely offer a private version otherwise it will fall behind. I'm looking forward to use this feature as it evolves and matures.
28-06-2026 03:24 PM
"We’re trying to build this in a way that’s transparent and genuinely helpful in day-to-day browsing, but this is very much a work in progress." ok, but you're never going to get the accuracy for it to be "genuinely helpful," true AGI is a fantasy on the level of the philosopher's stone, it is an entirely theoretical, logistically impossible concept. The AI will confidently give incorrect information and saying "but this is very much a work in progress," should not legally cover your butt from the consequences of AI- for example- giving someone a recipe that causes botulism, or telling someone to clean something using chemicals which combined makes mustard gas.
AI has literally encouraged people to kill themselves- do you really want to risk it being YOUR browser bought to court by grieving parents of a dead kid? You must all know that's happened, so why not mention- if you truly want to be transparent- what guardrails you've put in to prevent that?
"This is still early, and we know AI in browsers raises real questions around trust, usefulness, and control." yes it does, which makes it all the more confounding that mozilla is pushing this forward. Acknowledging that people are skeptical about it doesn't make mozilla adopting it any less sketchy. It instead makes it seem like a direct, intentional slap in the face to the people who've repeatedly expressed they're sick of AI being forced into every conceivable crevice of tech use. Like a land acknowledgment from an oil company putting a pipeline through a reservation. Or like a land acknowledgment from an AI company putting a noxious, loud, polluting data center in the middle of a neighborhood against the will of its residents.
"oh you don't have to use it, we're keeping it separate, we're following your preferences," but the resources you spend on AI are consequentially resources you are not dedicating to making your browser work. You've been bleeding DAU for years, providing a truly AI-free browser would differentiate you from other browsers, instead of copying more successful competitors whom you're delusional to think you could gain users from. If people with the competitor like what the competitor's doing, they're going to stay with the competitor so doing what they're doing will not gain you DAU. Meanwhile people who are against AI have less and less and less options for AI-free tech, being AI-free would set you apart and draw in a demographic desperate to be catered to. But some investor threw money at you to make AI work and give them a pay day I'm guessing? They're never seeing that pay day.
And going through this thread, it's riddled with blatant usability issues. Is the work you need to put in for this actually worth it? Where are you getting the money for this? How much of mozilla's full budget is being dedicated to this? Why do you think this free AI feature is a financially viable idea when literally none of the AI companies that are charging for AI are making a profit on it? AI is a tech being held up by the dreams and cash of investors who don't understand what the hell they're doing and see something new and shiny and promising and think if they throw they're money at it it'll pay out big time. It won't. Like when I called AGI the philosopher's stone I meant it, alchemists literally used to get paid to try and create philosopher's stone. Same nonsense, different century.
I just don't understand why mozilla is throwing time, money, effort, labor into making a product that will literally never work as promised and has such risk to it. AI is a massive economic bubble, is mozilla going to survive it popping?
30-06-2026 01:17 PM
My first impression:
even though I'm eager to try Smart Windows, there are too many obstacles and concerns holding me back from even trying it (and I have a high level of trust in Mozilla!). I certainly appreciate the detailed and informative Privacy Statement, but how many users will read it? My first trial ended straight away on the Mozilla Account login screen ...
My suggestion:
the onboarding process needs significant improvement. It should be clear what happens to my browsing history at each stage. I don't want it to start uploading my history in the background without a clear notice beforehand. That would result in an immediate breach of trust for me and thousands of Firefox users! It should explain upfront how Memories are built, and where they are stored. Memories should only be built after explicit user approval and with the option to include/exclude previous browsing history.
More feedback will follow if you earn my trust to activate Smart Window.