We have turned them off for now, but hope to add them back to our theme when/if fixes are made so that they work with the most current Discourse version.
Could you please share error logs or messages you are experiencing?
The topic you linked to was solved, so if you are experiencing something similar, you could ensure the paths for the components are up-to-date on your site.
Uncaught (in promise) TypeError: r is not iterable
ce opcode-compiler.js:3147
asWrappedLayout opcode-compiler.js:3321
Ember 2
<anonymous> runtime.js:3647
evaluate runtime.js:1312
evaluateSyscall runtime.js:5232
evaluateInner runtime.js:5188
evaluateOuter runtime.js:5180
next runtime.js:6191
_execute runtime.js:6175
execute runtime.js:6166
sync runtime.js:6250
Ember 2
It runtime.js:5074
Ember 5
invoke backburner.js:353
flush backburner.js:241
flush backburner.js:447
_end backburner.js:999
_boundAutorunEnd backburner.js:648