Beta versions are not as thoroughly tested as stable

Beta versions are not as thoroughly tested as stable

Beta branch

Construct 3 r502

3D light attenuation; 3D model improvements; updated Steam support & more

16 September, 2026 ()

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Notes

In this release we have a new attenuation factor property for 3D lights. This allows reducing the amount of light attenuation from distance - such as setting it to 0% to prevent the light getting dimmer with distance at all. This can be useful for unmotivated lights, i.e. lighting applied for artistic reasons that doesn't correlate to a visible source. Note however that this does not prevent other causes of light attenuation, notably the light radius (which imposes a fade-out near the edge of the radius), and the angle of incidence (which often also changes with distance over a surface). Another 3D update in this release are updates for 3D model's new animation blending, removing the assumption there is always a single animation, and the ability to use Drawing Canvas as a texture source.

We've also done some further work to improve Steam support with the Windows WebView2 exporter. This release includes an experimental new mode when you check Export for Steam that should better support Steam features like video recording. Note you must uncheck the 'Enable overlay' setting of the Steamworks plugin for the time being for this to work. For more details refer to this forum thread.

Other changes include the usual batch of bug fixes, and two great new examples to check out. Happy testing!

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Launch r502

Changelog iconNew Additions

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3D light: attenuation factor property
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New examples 'Arcanigma', 'Cavern lights'
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Project property 'Save LLM context file'
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3D model & 3D shape: support Drawing Canvas as a texture source

Changelog iconChanges

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Windows WebView2: experimental improved support for the Steam Overlay
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3D model: animation blending; changes to ACEs and script APIs which previously assumed a single animation
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Improve precision of fog & depth stripe effects in WebGL renderer
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Windows WebView2: update WebView2 SDK to v1.0.4191.47

Changelog iconBug Fixes

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3D model: 'Set object mesh' texture applied incorrectly in some cases
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3D model: models not updating animations properly when offscreen
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Timelines: crash swapping track instances
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Hierarchies: crash undoing changes while previewing behaviours
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Hierarchies: undoing 'Modify hierarchy' producing unexpected results
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Crash editing mesh point Layout X/Y property (regression r488)

Changelog iconScripting updates

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3D model: rename scripting API method 'animationDuration' to 'getAnimationDuration'
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Timeline Controller: fix exception using 'play' method

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  • save the what context file now?

  • When enabling the new steam mode, my game has a weird jankyness/stuttering, while with the old one it doesn't happen

  • Thank you for all your hard work!

    )3D model: models not updating animations properly when offscreen) has been one i've been excited for!