Merge pull request #1858 from dbcli/RW/prepare-release-v1-70-0

Prepare changelog for release v1.70.0

Author: rolandwalker

changelog.md

@@ -1,10 +1,10 @@
-Upcoming (TBD)
+1.70.0 (2026/04/24)
 ==============
 
 Features
 ---------
-* Add option to prefetch completion metadata for some or all schemas
-* Save fetched completion metadata when switching schemas
+* Add option to prefetch completion metadata for some or all schemas.
+* Save fetched completion metadata when switching schemas.
 
 
 1.69.0 (2026/04/20)