Uniform based ubershader program linking unbearably slow under webgl in IE and Edge, compared to other browsers, including mobile browsers.

Fixed Issue #6831898


Mar 10, 2016
This issue is public.
Fixed in build #
Reported by 0 people

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Steps to reproduce


Repro Steps:

Visit the following page in IE, Edge, Chrome, Firefox and Safari. Note the performance difference:


Expected Results:

link program time should be on par with other browsers. in Particular, it should NOT be slower than a mobile phone on an i7…

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Mara P.”

      Changed Assigned To to “Rico M.”

      Changed Assigned To from “Rico M.” to “Rafael C.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Rafael C.” to “IE S.”

      Changed Status from “Confirmed” to “Fixed”

    • Hello,

      Thank you for providing this information about the issue. We are pleased to report this feature is fixed in Edge 14393 and is available in our latest public stable build.

      Best Wishes,
      The MS Edge Team

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