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GCC minification not working for optional chaining


Level 1

We are using AEM version 6.5.9

and our js processor config was


then we changed it to


but still it does not work. I checked the online compiler where when changed to ECMASCRIPT_2020 it started working


Does AEM not support ECMASCRIPT_2020 ?


I have written a detailed question regarding this but somehow it was marked as spam so writing this in short. Please let me know if you have any questions in comment.

2 Replies


Level 4

Hi ,

Please check this link to use different processor. 

try this not sure if it works for you





Level 1

@Harishv31 Thanks for your reply but this option did not work. As we need ECMASCRIPT_2020 instead of ECMASCRIPT_2019. No where I could find in the documentation that says if 2020 is supported or not