Unity Issue Tracker - [WebGL][macOS] Builds do not run when using Big Sur

Fixed in 2021.1.X

Fixed in 2018.4.X, 2019.4.X, 2020.1.X, 2020.2.X

Votes

Found in

Issue ID

Regression

[WebGL][macOS] Builds do not run when using Big Sur

Oct 11, 2020

How to reproduce:
1. Create an empty project
2. In the Build Settings, select WebGL
3. Build and run

Expected result: No errors are thrown
Actual result: UnityLoader.js throws an error

Reproducible with: 2018.4.29f1, 2019.4.15f1, 2020.1.15f1, 2020.2.0b13, 2021.1.0a1

jeffreylanters

Nov 25, 2020 10:42

Same here, happens on Chrome (all versions) only. Safari 14.0.1 seems to bypass this Regex.
bradenroper

Nov 24, 2020 15:00

Is this issue only on the dev side? We have a lot of WebGL games that we build on Windows machines that are throwing an error when being played on Chrome in Big Sur. It would be nice to know if it's an issue with Chrome on Big Sur or the OS itself, because a lot of our Unity games were built with various older versions of Unity and were not planned for updates just yet.
perplex_bcn

Nov 24, 2020 14:46

In UnityLoader.js find this text: /Mac OS X (10[\.\_\d]+)/.exec(i)[1];
That's a regular expression. Replace 10 with 1[0-1]
This way it will allow both 10 and 11
Becreatives

Nov 18, 2020 15:12

And what is the solution?
Stefterv

Oct 23, 2020 05:51

The regex checking for which fails because it does not expect the version number to start with 11.

In this line:
h = /Mac OS X (10[\.\_\d]+)/.exec(s)[1];