Beta versions are not as thoroughly tested as stable

Beta versions are not as thoroughly tested as stable

Beta branch

Construct 3 r503

Support for FBX and OBJ models; new example; bug fixes

23 September, 2026 ()

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Notes

Our attention is now turning to bug fixes and reliability as we move towards a new stable release. However we have one more significant update in this release: importing 3D models now supports FBX and OBJ formats, in addition to the existing support for GLTF. This should make it easier to use existing 3D model assets without having to first externally convert them to GLTF.

When exporting for Steam, there's now also a new option to choose the Steam mode - Overlay works the same as previous releases, and Capture uses the newer approach that copies the actual game content into the main window. This is mainly to allow continuing to use the older approach in case there are any problems that come up with the newer approach. We're still keen for your feedback on the newer approach, so please let us know how it worked out in this forum thread if you've tried it.

There's also a new example making use of the new 3D lighting feature, and some bug fixes. Happy testing!

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Launch r503

Changelog iconNew Additions

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3D model: support loading FBX and OBJ files
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Windows WebView2: change Steam setting to a dropdown list to choose overlay support
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New example 'Cargo yard'

Changelog iconChanges

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Further improve precision of fog & depth stripe effects in WebGL renderer

Changelog iconBug Fixes

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3D model: avoid re-uploading vertex data of static meshes (regression r497)
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3D model: unrelated rigid meshes reset when switching animations (regression r500)
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Timeline bar: crash using the option to add missing property keyframes
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Animations editor: frames pane not updating title after deleting a frame using context menu
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Animations editor: possible crash trying to open model that has meshes with no textures

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  • Hyped for 3D features! Any news on gpu skinning?

  • I've tryed to import .fbx and .obj models - generated with Asset Forge - but I get an error message "there was a problem trying to load the selected file".

  • Great work as usual !

    A wish: import .B3D models as well :-)

  • Trying to set "Radius" on a light object is showing up as undefined in the game might need fixing!

    Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'apply')

    at C3.Action._RunObject_ParamsConst (action.js:1:9491)

    at C3.EventBlock._RunActions_Fast (eventBlock.js:1:11546)

    at C3.EventBlock._RunAndBlock (eventBlock.js:1:10848)

    at C3.EventBlock.Run (eventBlock.js:1:9650)

    at C3.EventSheet._ExecuteTrigger (eventSheet.js:1:6211)

    at C3.EventSheet._TriggerForClass (eventSheet.js:1:4265)

    at C3.EventSheet._Trigger (eventSheet.js:1:3959)

    at C3.EventSheetManager._Trigger (eventSheetManager.js:1:6223)

    at C3.Runtime.Trigger (runtime.js:1:45721)

    at o.Plugins.Mouse.Instance.Trigger (sdkInstanceBase.js:1:981)

  • So glad for the option to use the previous overlay workaround, as the new one make my exported game stuttering!