added news items for breaking changes

Pietro Vertechi · Pietro Vertechi · commit 075ddc0ee641 · 2019-04-25T23:14:18.000+01:00
diff --git a/NEWS.md b/NEWS.md
@@ -5,6 +5,8 @@
 ### Breaking
 
 - `fieldarrays` now returns a tuple of arrays for a `StructArray{<:Tuple}`
+- `push!` now only works if the `StructArray` and the element have the same propertynames
+- the special constructor `StructArray(first_col => last_col)` is no longer supported
 
 ## Version 0.2.0
 
