Following the announcement a few weeks ago that 1400 models are now in Azure Analysis Services, we haven’t stopped there! We are pleased to announce the following further features for 1400 models in Azure.

Shared M expressions are shown in the SSDT Tabular Model Explorer, and can be maintained using the Query Editor.
Data Management View (DMV) improvements.
Opening an file with the .MSDAX extension in SSDT enables DAX non-model related IntelliSense.