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Some sort of Windows only bug when using Ren'Py

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  • Last reply by TyDraniu

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When playing any Ren'Py web build on Firefox Windows, the frames freeze while entering inputs. Depending on what is being displayed on screen, sometimes it will still continue despite the mouse movement, but most things just completely freeze up. Once the inputs stop, the frames will skip ahead to where they should be. This only seems to happen on Windows, as I was told it is not repeatable on Ubuntu using Firefox. This is also not an issue on Chromium based browsers.

When playing any Ren'Py web build on Firefox Windows, the frames freeze while entering inputs. Depending on what is being displayed on screen, sometimes it will still continue despite the mouse movement, but most things just completely freeze up. Once the inputs stop, the frames will skip ahead to where they should be. This only seems to happen on Windows, as I was told it is not repeatable on Ubuntu using Firefox. This is also not an issue on Chromium based browsers.

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Steps to reproduce?

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TyDraniu said

Steps to reproduce?

Here's a random Ren'Py game off of itch.io: https://nomnomnami.itch.io/contract-demon While an animation is playing (text, intro cutscene, etc.) move the mouse around or hold down a keyboard button or scroll. It will freeze until you stop the inputs.

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TyDraniu said

Steps to reproduce?

Any updates?

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TyDraniu said

Steps to reproduce?

Is this still being looked into?

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I don't think we can do anything about it. Mouse input somehow blocks the main thread and we don't have any solution yet.

See for instance bug 1677509.

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TyDraniu said

I don't think we can do anything about it. Mouse input somehow blocks the main thread and we don't have any solution yet. See for instance bug 1677509.

It also happens with holding down a key on the keyboard, is it still the same issue?

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I really don't know, perhaps it is.

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