Performance Improvements

View a comprehensive history of all the performance optimisations in Construct 3 since the first release.

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Editor now built with Closure Compiler (produces smaller & faster loading scripts)
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Video: improve playback efficiency in worker mode
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Adjust frame scheduling to allow maximum possible time to run events/logic
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Switch to OptiPNG on export for smaller & faster PNG recompression
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Remote Preview: now uses compression to load faster, where supported (currently Chrome 80+)
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Optimise rendering large numbers of on-screen SVG Picture objects (now ~6x faster)
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Adjust spritesheeting algorithm to use fewer textures (reducing download size and potentially increasing runtime performance) without significantly affecting memory use
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Improve editor performance showing/closing dialogs in light & dark themes
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Improve editor performance when changing mouse cursors with lots of content visible
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Improved frame scheduling for smoothness & low latency, particularly in worker mode
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Use lower-latency mouse/touch input where supported in worker mode
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Enable WebGL parallel shader compilation where supported, for faster editor & runtime startup
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Optimise handling disabled Solid behaviors
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Optimise general collision engine performance when dealing with large numbers of instances
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Optimise handling lots of Bullet behaviors with both the Solid behavior and 'Bounce off solids' enabled
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Further reduce memory usage of instances
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Reduce memory use of instances (improves quadissueperf benchmark)
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Improve quadissueperf & bboxperf benchmarks performance (should resolve performance regression since r150)
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Cloud save: reduced network requests per Dropbox action
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Optimise editor loading time by loading more resources after Start Page appears