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 # Ongoing development
 
+* This release of the R package builds against [TileDB 2.20.0-rc0](https://github.com/TileDB-Inc/TileDB/releases/tag/2.20-rc0), and has also been tested against earlier releases as well as the development version (#651)
+
 ## Improvements
 
 * Factor level additions now check for possible over in the index type (#645, #646)