Dynamic Format String (preview) - not working in a report live connected to dataset

[obrown]

The new preview feature of dynamic format strings for measures only appears to work if the measure is created within the Power BI dataset.

It will not work if I create a measure in a report which is live connected to a Power BI dataset.

It will therefore also not work if I create a measure in a report which is live connect to an AAS model.

I would like to know if:

a) this is a known issue

b) there is a plan to enable this in reports, not just datasets, so that dynamic format strings can be set on measures stored in the report rather than the data model

[Alex1302]

Second this, its already such a powerful feature but hindered currently on this problem

[jchonko]

Wondering the same thing, as this would alleviate a major headache. 

[TJ-9000]

I was wondering the same thing, would be great to have this enabled for measures in reports.