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Is there any reassurance that performance issues as a result of scaling up is a high priority? We’ve started rolling this out to our publisher CMSes however I’m noticing slow down on busy pages with multiple flexible-content elements. I’m apprehensive that gradually as we add more features it will become unusable and plan B will be almost inconceivable.
Even a performance tuning API/tips might really help: For example if we could flag that on a repeater or flexible-content that if there are more than X number of items then loading is deferred (items is collapsed perhaps) until the user clicks expand.
I notice that TinyMCE is doing a hell of a lot at startup, could the same flag be applied, defer initialising if multiple TinyMCEs are on page?
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