*Affected versions* * 76.0a1 (20200405212522) *Affected platforms* * Windows 10 x64 * Ubuntu 18.04 *Preconditions* * enable dom.postMessage.sharedArrayBuffer.bypassCOOP_COEP.insecure.enabled=true *Steps to reproduce* 1. Open Firefox and go to http://clb.confined.space/dump/unity/tiny3d-asmjs-tiny3d/Tiny3D.html. *Expected result* * Page loads successfully. *Actual result* * A blank page is displayed (content is shown only after a browser interaction e.g: clicking the address bar or opening web console or focusing away from the browser) *Regression Range* * I will search for one ASAP if there is one. *Notes* * Attached a screen recording with the issue. * On macOS 10.12 content is loaded as expected so I think macOS is not affected. * Attached the [web console log](https://drive.google.com/open?id=1fRxZBltxZlpus9PBRyq5uV8Oi-hVZwjg).
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*Affected versions* * 76.0a1 (20200405212522) *Affected platforms* * Windows 10 x64 * Ubuntu 18.04 *Preconditions* * enable dom.postMessage.sharedArrayBuffer.bypassCOOP_COEP.insecure.enabled=true *Steps to reproduce* 1. Open Firefox and go to http://clb.confined.space/dump/unity/tiny3d-asmjs-tiny3d/Tiny3D.html. *Expected result* * Page loads successfully. *Actual result* * A blank page is displayed (content is shown only after a browser interaction e.g: clicking the address bar or opening web console or focusing away from the browser) *Regression Range* * I will search for one ASAP if there is one. *Notes* * Attached a screen recording with the issue. * It seems that on Ubuntu 18 the content is loaded for the first time after 5-6 seconds but the same behavior occurs when reloading the page. * On macOS 10.12 content is loaded as expected so I think macOS is not affected. * Attached the [web console log](https://drive.google.com/open?id=1fRxZBltxZlpus9PBRyq5uV8Oi-hVZwjg).