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Lumo

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  1. Support for bigger Files

    I’m reaching out to request an increase in the maximum file‑upload size.
    The current limit is insufficient for several upcoming projects that involve large assets such as high‑resolution media files, data sets, and compiled binaries.

    3 votes

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  2. Provide a way to keep accounts completely disconnected from AI

    No AI, nor company that integrates it, truly cares about user privacy and security. Frankly it makes me reconsider my choice to move to Proton. It's certainly prevented me from moving to any paid tiers

    3 votes

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  3. 3 votes

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  4. Why High-Performance Brazilian Mobile Proxies Are Essential ?

    As the digital world continues to evolve, businesses and professionals who work with Brazil-based online platforms are facing new challenges. Whether you’re a marketer running localized campaigns, an agency managing client accounts, a developer testing geo-restricted apps, or an e-commerce operator monitoring competitors—access to reliable, fast, and authentic Brazilian IP addresses is more important than ever.

    This is where Brazilian mobile proxies come into play. And among the many options available, OnlineProxy.io https://onlineproxy.io/country/brazil has emerged as one of the most trusted, secure, and high-performing providers in the market.

    3 votes

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  5. Link to Lumo app on a F-Droid, .apk (Github)

    Since Google Play is not private, it should not be a big deal for a privacy company (Proton) to publish link to a Lumo Android .apk and a Github repository at https://lumo.proton.me/download and at https://protonapps.com (if that is official source). Also I would welcome F-Droid link.

    There is a Github repo at https://github.com/ProtonLumo/android-lumo but the parent user shows no signs of validation as a official Proton AG account, despite Lumo claims there should be some check-mark on the user page.

    3 votes

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  6. Option to start Lumo in a floating window

    As the Android Lumo app does not support Landscape orientation, not even on large screens, it would be VERY nice to have the possibility to launch Lumo in a floating window on systems that supports it.

    On e.g. OnePlus tablets Lumo runs nicely when switching it over to a floating window that can be resized and moved around, BUT there is no way to launch Lumo so it always starts in a floating window.

    Please, add the an option in the Lumo Android app making it possible to have it request a floating window upon start.

    3 votes

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  7. Private Lumo App Store for sharing & monetizing custom “MyLumos” (GDPR-safe alternative to GPT Store)

    Hi Proton Team and Community,

    first of all, thank you for creating Lumo — a privacy-first AI assistant that finally allows European users and businesses to use AI without compromising confidentiality or GDPR compliance. Proton has solved the fundamental problem that all other AI platforms struggle with: trust.

    Now that Lumo exists, I would like to propose the next major step:

    ➡️ A Private Lumo App Store for creating, sharing, and monetizing custom “MyLumos”.

    Just like OpenAI has custom GPTs (and a GPT Store), Proton could offer a secure and encrypted alternative — fully compliant, private, and built inside…

    3 votes

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  8. travel time before/after event

    It would be great if the calendar added the ability to include travel time to an event, after the event. For example, I have a meeting in another part of the city, and I need 30 minutes to get to the location. It would be very convenient for all that time to be shown in the calendar so that others can see that you are also busy during the travel period.

    Currently this has to be worked around by creating another event or extending the existing one.

    3 votes

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  9. Sensitive‑Data Confirmation for Feedback

    Problem

    When users give a thumbs‑up/down on a response, the associated snippet (including any code or text shown) is sent for anonymous analysis. If the snippet unintentionally contains sensitive information (IP addresses, ports, encryption keys, hashes, credentials, etc.), that data could be transmitted without the user’s explicit consent.

    Proposed Solution

    Add a post‑feedback check that scans the rated snippet for patterns that look like sensitive data. If a match is found, display a prompt:

    “The content you just rated appears to contain potentially sensitive information (e.g., IP address, key, hash). Do you want to include this data in the feedback
    3 votes

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  10. The ability to set a permanent but editable preamble that is always considered by Lumo+ at the start and during each chat.

    I have recently moved from ChatGBT over to Lumo+ and I noticed some differences. Lumo+ under it's current configuration isn't nearly as accurate as Chat. Yes, Chat can get you up the wrong tree at times, but not as much as Lumo. One thing that I think that helped with Chat is the the ability to create a general header for how I wanted Chat to operate which included instructions about accuracy, depth, reply style, and whether to resort to the web to get latest information about softwre updates on things like Home Assistant and Raspberry Pi. With Chat I…

    3 votes

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  11. Lumo Integration Part Two (Lumo Dedicated Encrypted Desktop Assistant, Legacy & New Applications Work Options)

    All code generation & storage is encrypted and wrapped by a YubiKey.

    Running code requires a second‑factor OTP/TOTP from the same YubiKey.

    If the device can’t handle the workload, LDA warns the user and offers a secure cloud‑inference fallback.

    The assistant stays offline except for signed updates or an explicit, user‑approved cloud request.

    Implement the modules, follow the testing plan, and you’ll have a privacy‑preserving, hardware‑rooted Lumo Desktop Assistant that can safely generate, store, and execute programs on demand.

    3 votes

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  12. Rich text in the Calendar

    It would be great if the "Description" field in the Calendar entries would be rich text, like Google Calendar offers. That way, we can copy text and paste with formats like bold, underline, etc. etc.

    3 votes

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  13. I want to be able to use Lumo using the latest Firefox Extended Support Release (ESR) version

    I want to be able to use Lumo using the latest Firefox Extended Support Release (ESR) version, so that I can continue to use Lumo on my company notebook that does not support other browser brands.

    Since yesterday (1 Nov 2025) I receive a message that says "Unsupported browser". There has been no communications to inform us that the Firefox Extended Support Release (ESR) version will no longer be supported. Our browser version is fully up-to-date, at the time of writing it is 115.29.0 Firefox ESR October 14, 2025 and no newer version of Firefox ESR has been released at…

    3 votes

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  14. 2) Lumo Actions

    Lumo should be able to take cross-platform actions across the web, but the user should be in control at all times.

    Next post: https://protonmail.uservoice.com/forums/932842-lumo/suggestions/50637320-3-lumo-research

    3 votes

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  15. Answers on Top instead of Bottom

    I would like to suggest, for answers to appear on top of a thread instead on the bottom. Instead of scrolling through the history from top to bottom, new answers appear on top. Should I want to reread the hlstory I can do so top to bottom Especially for longer threads that you would like to continue it would be more helpful.

    3 votes

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  16. Transcription of long audio STT

    It would be useful to be able to use Lumo to transcribe long audio, for example from podcasts, educational audio, etc.

    3 votes

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  17. Lumo Client (or API) with secure local execution of Lumo‑generated Python graphical output

    When users request visualizations, Lumo frequently replies with Python code snippets (e.g., matplotlib graphics). Users can copy‑paste the code into their own environment to render the graphics.

    It would be interesting to have some kind of Lumo‑Python bridge that delivers the generated Python code to a local client. The client runs the code in a sandboxed, offline Python/IPython/Jupyter/... session and returns the rendered image directly to the chat.

    This would look like a local client chat application communicating with proton servers, able to execute Lumo-generated Python code on the user’s machine. No data leaves the device, preserving confidentiality and complying…

    3 votes

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  18. Personal Assistants / Preconfigured Prompts in Lumo

    I’d like Lumo to support personal assistants or preconfigured prompts, similar to what Kagi Assistant and other AI tools already offer.

    This would make it easier to switch between different roles (e.g., researcher, writer, teacher, developer) without having to retype or remember long instructions each time. It would also give users more control and flexibility to adapt Lumo to their own workflows.

    3 votes

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  19. File types and size / unsupported file types

    The current file types to upload f.e. images don’t work well and constantly I’ll get the message of “unsupported file type” in the pop-up window and that’s a false flag. They are all files types that Lumo support. I can open those files without any problems within Proton Drive or iCloud. Same issue occurs on Windows desktop, iPhone and iPad. Drag and drop makes no difference.

    The file size is also an issue, limited to 10MB and I have a subscription. An average photo is already more than that. Files stored in Proton Drive can be uploaded with a maximum…

    3 votes

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  20. Feature Request: Exclusive Access to Larger LLMs for Lumo Plus Subscribers

    I would like to propose a feature specifically for paying Lumo Plus subscribers: the ability to enable Lumo to use larger LLMs (such as GPT-5, GPT-5 Thinking, Gemini 2.5 Pro, Grok 4, Claude Sonnet 4.5, etc.) for processing queries. The core idea is for Lumo to act as a privacy barrier—protecting user data—while still taking advantage of the advanced capabilities of top-tier models for those who subscribe.
    This enhanced feature should be strictly limited to users who actively pay for Lumo Plus. Free users would continue using the current models and would not have access to this option.
    Lumo Plus…

    3 votes

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