Found more information around this and looks like there is fix in 6.5.4

Thanks. Looks like there is a fix in ui.styleSelector.js as part of 6.5.4

Thanks. Did not find impacts seeing this in console error logs.

I have admin access. Its a localhost vanila AEM 6.4 update to 6.4.8 service pack.. May be this issue is there in 6.4 also not sure.

Yes have all the permission.

We see a 403 Forbidden when clicking on "Drag a component". It can be simulated in AEM OOTBVersion: 6.4.8Env: probably any but using macOS mojave 10.14.6Browser: Chrome Version 84.0.4147.89 (Official Build) (64-bit)Run Mode - Author running in 4012 portSample page : http://localhost:4512/editor.html...