Sonys Press conference from MWC took place end of February
If you missed it you can watch it here.
Please join the discussion here and share your thoughts on what was anounced here.
MWC 2019 discussion.
Would it be possible for you to elaborate a bit on what kind of behaviour you are experiencing with the messaging application?
You can try and clear data for the application as this will not remove any conversations, it will only reset the application. To do that, go to Settings > Apps & notifications > App info > Messages > Storage > Clear data > OK.