Beta versions are not as thoroughly tested as stable

Beta versions are not as thoroughly tested as stable

Beta branch

Construct 3 r510

JPEG XL support; Windows export & Google Drive improvements; new example

10 November, 2026 ()

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Notes

Modern browsers now support the modern JPEG XL image format, and we're excited to add support for this in Construct! You can now opt in to exporting your project's image as JPEG XL, both for lossless and lossy images. Our testing shows JPEG XL is even better than WebP for lossless images and it is competitive with AVIF for lossy, meaning you can potentially get a significant download size saving with it. We're leaving this as opt-in for the time being, but once support is ubiquitous we may set it as the new default.

Other improvements in this release include a new Android App Category project property. This must be set to Game for Android to continue to use orientation lock from Android 16+ (and is set to that by default). We've fixed some issues with asset bundles over 4 GB with Windows WebView2 exports. We've also modernized the way Google Drive authentication works internally - this should not result in any change to how it works, but we're just highlighting it in case something unexpected changes.

There's also a new example 'Storm patrol' which makes use of both 3D features and mesh distortion, and as ever there's a batch of bug fixes, particularly for 3D model. Happy testing!

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Launch r510

Changelog iconNew Additions

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Support for exporting project images as JPEG XL (both lossless and lossy)
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Android: new project property 'Android App Category'
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Support for dragging and dropping JPEG XL (.jxl) images to Layout View to create Sprite
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New example 'Storm patrol'
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Android/iOS exports: add minimum version options Android 16, iOS 26 & 27

Changelog iconChanges

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Animations editor: make more room for color palettes in the default theme
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Cloud save with Google Drive: modernize authentication flow
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Windows WebView2: update WebView2 SDK to v1.0.4314.35
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Windows WebView2: show special error message if exporting to single file with asset bundle over 2 GB
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Windows exports: WindowsIconUpdater.exe / PackToSingleExecutable.exe now uses x64 architecture

Changelog iconBug Fixes

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Cloud save with Google Drive: fix signing out not always resetting authentication
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Windows WebView2: fix support for asset bundle sizes over 4 GB
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3D mesh distortion not updating 3D collisions when changed at runtime
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3D model: possible error loading runtime script (regression r509)
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3D model: preview failing to start with some 3D models
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3D model: reduce the amount of work to release unused textures after loading a new model
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3D model: position not updating after changing a layer's Z elevation

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