diff --git a/NEWS.md b/NEWS.md
index 4b9d9410..bcf2ca6b 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -6,6 +6,8 @@
 
 * In view mode, `hover` is now independent from `id` (#851).
 
+* `tm_vars()` is a new function for multivariate scale (#819)
+
 # 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)
diff --git a/tests/testthat/test-terra-stars.R b/tests/testthat/test-terra-stars.R
index 80f076a9..de6b76a6 100644
--- a/tests/testthat/test-terra-stars.R
+++ b/tests/testthat/test-terra-stars.R
@@ -17,7 +17,7 @@ test_that("terra works", {
 	# FIXME this is not expected.
 	
 	tm_shape(landsat) +
-		tm_rgb(tm_mv("landsat_4", "landsat_3", "landsat_2"), col.scale = tm_scale_rgb(maxValue = 31961))
+		tm_rgb(tm_vars(c("landsat_4", "landsat_3", "landsat_2"), multivariate = TRUE), col.scale = tm_scale_rgb(maxColorValue = 31961))
 	# Defaults of stars and terra are identical.
 	tm_shape(landsat) + tm_raster(col.free = FALSE)
 	tm_shape(landsat) +
@@ -65,7 +65,7 @@ test_that("multi rast works.", {
 	})
 	
 	tm_shape(multi_rast) +
-		tm_rgb(tm_mv("landsat_4", "landsat_3", "landsat_2"), col.scale = tm_scale_rgb(maxValue = 31961)) 
+		tm_rgb(tm_vars(c("landsat_4", "landsat_3", "landsat_2"), multivariate = TRUE), col.scale = tm_scale_rgb(maxColorValue = 31961)) 
 	
 })
 
@@ -76,11 +76,11 @@ test_that("Both approaches work for stars.", {
 	# direct approach
 	landsat_stars = stars::read_stars(system.file("raster/landsat.tif", package = "spDataLarge"))
 	expect_no_condition(tm_shape(landsat_stars) +
-		tm_rgb(tm_mv_dim("band", c(4,3,2)), col.scale = tm_scale_rgb(maxValue = 31961))
+		tm_rgb(tm_vars("band", dimvalues = c(4,3,2)), col.scale = tm_scale_rgb(maxColorValue = 31961))
 	)
 	
 	# indirect approach
 	landsat_stars2 = split(landsat_stars, "band")
 	tm_shape(landsat_stars2) +
-		tm_rgb(tm_mv("X4", "X3", "X2"), col.scale = tm_scale_rgb(maxValue = 31961))
+		tm_rgb(tm_vars(c("X4", "X3", "X2"), multivariate = TRUE), col.scale = tm_scale_rgb(maxColorValue = 31961))
 })
diff --git a/tests/testthat/test-v3.R b/tests/testthat/test-v3.R
index c2ed84b4..7a1ec0bd 100644
--- a/tests/testthat/test-v3.R
+++ b/tests/testthat/test-v3.R
@@ -45,7 +45,7 @@ test_that("v3 syntax works", {
 	
 	skip_if_not_installed("cartogram")
 	# Cartogram
-	NLD_prov_pop <- cartogram::cartogram(NLD_prov, "population")
+	NLD_prov_pop <- cartogram::cartogram_cont(NLD_prov, "population")
 	tm_shape(NLD_prov_pop) +
 	 tm_polygons("origin_non_west", title = "Non-western origin (%)")
 })