Hello Derek Bond,
This issue is already present as a bug in our bug tracking system for news items and blog posts.
You can follow the PITS Issue and vote for it by its ID: 6166
For now it is not yet decided if the summary length will be made as it was in 3.7.
In the bug also is a request to add in the UI field length validataion and hint for the max acceptable length.
the Telerik team
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