Add item to NEWS file

NEWS.md

@@ -2,6 +2,21 @@
 
 * For consistency with ggplot2, `tm_polygons()` now recognizes the `fill` argument instead of `col`.
 
+* tmap now requires R 3.6 and above.
+
+* In view mode, `hover` is now independent from `id` (#851).
+
+```r
+tmap_mode("view")
+# v3
+tm_shape(World) +
+  tm_polygons(id = "footprint")
+
+# v4
+tm_shape(World) +
+  tm_polygons(id = "footprint", hover = "footprint")
+```
+
 # tmap 3.3-4
 - (!) last version of tmap 3.x. Next CRAN version will be tmap 4.x (release planned at the end of 2023)
 - fixed bug (some stars appeared upside down in plot mode)