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GeezerVison is showing github.com — propose getting rid of subplot docks for better performance · Issue #1031 · fastplotlib/fastplotlib

propose getting rid of subplot docks for better performance #1031

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propose getting rid of subplot docks for better performance#1031
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@kushalkolar
kushalkolar
opened on Apr 11, 2026
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An idea for now, I'm tempted to do it. I propose getting rid of the subplot docks. Right now I think 90% of our usecase for the "docked panels" on each subplot is just the histogram LUT widget. We could replace it with an imgui UI.

Every viewport has a performance impact of a few ms and it adds up quick when every image has a subplot dock panel.

Are there other use cases for the docks?

@clewis7 @apasarkar @FlynnOConnell

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  1. kushalkolar
    added a parent issue on Apr 11, 2026
    • performance optimizations #1017

  2. FlynnOConnell commented on Apr 11, 2026

    @FlynnOConnell
    FlynnOConnell
    on Apr 11, 2026
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    Nope. Everything would look much cleaner without them

  3. kushalkolar commented on Aug 5, 2026

    @kushalkolar
    kushalkolar
    on Aug 5, 2026
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    In #1066 we make it possible to have imgui windows attached to the edge of a subplot. Let's keep the docks if anyone's using them.

  4. kushalkolar
    closed this as completedon Aug 5, 2026
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