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  1. I would like the option to voluntarily share longer chat transcripts for model training when they contain useful corrections or insights. Wh

    I would like the option to voluntarily share longer chat transcripts for model training when they contain useful corrections or insights. While the existing thumbs‑down feedback works for isolated messages, many improvements emerge only after a series of exchanges. Please add a simple opt‑in mechanism (e.g., a checkbox or toggle) that lets users grant permission for these extended conversations to be used for training, while keeping the default setting to keep all other data private.

    3 votes

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  2. Multiple Personalities - more control & community templates

    Currently, under the 'Personalization' you can create ONE personality per user. Depending on my task at hand I need more control over the expected output. As currently there is not really a good way to configure the expected outcome. (e.g. how 'creative' the model can be or how strict it needs to adhere to the input).

    This feature would also really benefit from (community) templates which must be editable for better control.

    4 votes

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  3. Lumo Voice Dictation

    I know iOS has voice dictation but this needs to come to the web browser version too. It saves so much time typing and a much better all round experience. Thanks!

    3 votes

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  4. proton needs to collab with greenpt

    proton needs to collab with greenpt.ai to make there AI more sustainable (there AI work now better then lumo)

    3 votes

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  5. Add custom domain for lumo

    Instead of accessing lumo.proton.me , users can create a custom domain for lumo access

    5 votes

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  6. 4 votes

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  7. 6 votes

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  8. Lumo is great at Math, but bad at Latex!

    I am finding that Lumo is shockingly good at the type of math I do, professionally.
    I am seriously thinking about buying the Lumo+ extension.

    However it is very frustrating, at times, by the way it handles Latex in its answers.

    1) Sometime the latex expression is not properly displayed as math, but just as a bunch of code. The latter is of course hard(er) to parse.

    2) When asked to produce latex code, the output is often buggy and contains nonstandard unicode symbols. It rarely compiles out of the box.

    3) When asked to produce small latex code (to…

    3 votes

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  9. Make the current date on the calendar solid rather than outlined, as it is now - so - that it "jumps out" at you when you look at the month

    In the month view the current date is not immediately obvious. Please make it "solit" so that it "jumps out" at you when in the month view. As it is there is only a line placed around the number.

    3 votes

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  10. "Terse" mode or "conversational" mode

    I often don't need 3-page instructions and checklists on the topic I've asked a question about. For example, it recently gave me instructions on how to set up an email. It can be a bit overwhelming and difficult to go back to important information in the conversation.

    5 votes

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  11. SynthID or similar feature

    Hi !
    With the aim of having an ethical minimum for the internet and in view of the announcement of an image generation option soon added to Lumi, I think it would be good to have something like 'SynthID' implemented in Lumi to be able to detect that the generated images are indeed generated by AI, and thus make possible malicious uses of AI more difficult
    Maybe its aleready in lumni but i didn't find information about it, sorry if it the case.

    2 votes

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  12. i would like to search a calendar for all non empty instances so that i can more easily edit events.

    in my specialised calendars like 'cashflow' 'garden'. I want a search option that returns 'all non empty non recurring events and the current instance of all recurring events, so that I can review the whole recurring structure more effectively.

    2 votes

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  13. Allow reporting of long requests

    Lumo already allows rating the feedback of the model. However, it seems to be limited to 5000 characters, which is often not enough for my requests, making it impossible to report wrong responses. Please extend/remove this limit.

    5 votes

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  14. Restrict set of characters in output code blocks to ASCII in Lumo

    Automatically restrict or give me a setting to restrict Lumo's set of characters in code blocks to the ASCII character set. In some of my ongoing conversations it has the habit of occasionally inserting:

    • (U+2011 NON-BREAKING-MINUS) instead of - (U+002D HYPHEN-MINUS)
    • (U+2026 HORIZONTAL ELLIPSIS) instead of ... (3 separate U+002E FULL STOP characters)
    2 votes

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  15. a switch to turn off adult content

    Recently I have encountered an unexpected adult content (sex-related) when I was asking Lumo. It was not my intention at all. The answer should have been totally unrelated to sex. And I want to avoid seeing such contents again.

    Should there be such a switch?

    4 votes

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  16. Lumo on Old Phone

    I’m unable to activate dark mode on the Lumo Android app (running on Android 8/Nokia 8); the “Appearance” setting is missing. Even after enabling “Force dark mode” via Developer Options, the app stays bright and the input bar floats in the middle of the screen instead of anchoring to the bottom. It would be great if Lumo provided a functional dark‑mode toggle and proper UI layout for older Android versions, or at least offered a clear fallback/web‑app solution for those devices.

    6 votes

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  17. Define the title of new chats on creation

    The ability to set the title of new chats on creation instead of the default AI summary.

    e.g. - "Let's start a new chat called 'Workday Assistance 2026-01-14'."

    2 votes

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  18. Proposal to Improve Lumo Naming and Presentation

    My name is Liese, and I am a researcher and engineer who currently uses Proton Business Suite + Lumo Business as an individual user. While using the service I noticed several points of confusion that I would like to bring to your attention and suggest improvements for.

    1. Inconsistent Naming Across Plans
      Lumo Plus – marketed as the premium plan for individual users.
      Lumo Professional – presented as a corporate‑oriented plan.
      Lumo for Business – essentially the same corporate plan but with a different name.
      Having three different names for what is fundamentally the same set of capabilities makes it hard for users to determine which plan best fits…

    2 votes

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  19. 3 votes

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  20. Include sources when copying

    It would be useful it sources (typically URLs from web searches) would be included when copying an answer using the button right icon.

    2 votes

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