We fixed our internal babel configuration for the studio-client so code is no longer transpiled using the so called "loose" mode. This will cause that the resulting JavaScript code is now more precise regarding ES6 standards than before.

While in most cases this should not lead to any problems when upgrading to the new version in some corner cases the fixed behavior might interfere with some workarounds you might have introduced to circumvent the fact that the code was not exactly transpiled down before the change. For code migrated from ActionScript that was not adjusted in any way we do not expect any problems at all.

An addition to this it is now possible to use new ES6 language features like "optional chaining" and the "nullish coalescing operator" without Sencha CMD complaining about syntax errors.

(CMS-21144)