diff --git a/tests/testthat/_snaps/bind.md b/tests/testthat/_snaps/bind.md
index 14dae353e1..ad5d86ec56 100644
--- a/tests/testthat/_snaps/bind.md
+++ b/tests/testthat/_snaps/bind.md
@@ -6,6 +6,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm_bind()`:
       ! Names must be unique.
       x These names are duplicated:
@@ -25,6 +31,9 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
     Output
       All `dm` objects need to share the same `src`.
 
@@ -44,6 +53,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm()
     Code
@@ -52,6 +67,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `tf_1`, `tf_2`, `tf_3`, `tf_4`, `tf_5`, `tf_6`
@@ -65,6 +86,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `tf_1...1`, `tf_2...2`, `tf_3...3`, `tf_4...4`, `tf_5...5`, ... (17 total)
@@ -78,6 +105,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       Names must be unique.
       x These names are duplicated:
@@ -97,6 +130,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       New names:
       * `tf_1` -> `tf_1...1`
@@ -127,6 +166,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         tf_1,
@@ -178,6 +223,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         fact,
@@ -232,6 +283,12 @@
       Warning:
       `dm_bind()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       New names:
       * `fact` -> `fact...1`
diff --git a/tests/testthat/_snaps/code-generation.md b/tests/testthat/_snaps/code-generation.md
index b6682cbe37..47579f98b8 100644
--- a/tests/testthat/_snaps/code-generation.md
+++ b/tests/testthat/_snaps/code-generation.md
@@ -32,6 +32,13 @@
         dm_add_fk(table = flights, columns = carrier, ref_table = airlines)
     Code
       cg_eval_block(cg_block)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `airlines`, `airports`, `flights`, `planes`, `weather`
@@ -53,6 +60,12 @@
       `dm_add_tbl()` was deprecated in dm 1.0.0.
       i Please use `dm()` instead.
       i Use `.name_repair = "unique"` if necessary.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `airlines`, `airports`, `flights`, `weather`, `mtcars`
diff --git a/tests/testthat/_snaps/deconstruct.md b/tests/testthat/_snaps/deconstruct.md
index be8d00664f..22ffe55562 100644
--- a/tests/testthat/_snaps/deconstruct.md
+++ b/tests/testthat/_snaps/deconstruct.md
@@ -24,6 +24,14 @@
 
     Code
       dm <- dm_nycflights13(cycle = TRUE)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       keyed_tbl <- new_keyed_tbl(x = dm$airports, pk = "faa", fks_in = new_fks_in(
         child_uuid = "flights-uuid", child_fk_cols = new_keys(list("origin", "dest")),
         parent_key_cols = new_keys(list("faa"))), fks_out = new_fks_out(
@@ -61,6 +69,13 @@
     Code
       dm_nycflights13(cycle = TRUE) %>% dm_get_keyed_tables_impl() %>% map(
         keyed_get_info)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       $airlines
       $airlines$pk
@@ -187,6 +202,13 @@
 
     Code
       keyed_tbl_impl(dm_nycflights13(cycle = TRUE), "flights")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 1,761 x 19
       # Keys:     --- | 0 | 5
@@ -209,6 +231,13 @@
       #   5: arr_delay
     Code
       keyed_tbl_impl(dm_nycflights13(cycle = TRUE), "airports")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 86 x 8
       # Keys:     `faa` | 2 | 0
@@ -227,6 +256,13 @@
       # ... with 76 more rows
     Code
       keyed_tbl_impl(dm_nycflights13(cycle = TRUE), "airlines")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 15 x 2
       # Keys:     `carrier` | 1 | 0
@@ -316,6 +352,13 @@
 
     Code
       dm(x = keyed$x["b"], y = keyed$y) %>% dm_paste()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -324,6 +367,13 @@
         dm::dm_add_pk(y, c(a, b))
     Code
       dm(x = keyed$x, y = keyed$y["b"]) %>% dm_paste()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -385,6 +435,13 @@
       } 
     Code
       dm(x, y, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -438,6 +495,13 @@
       } 
     Code
       dm(x, y, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -495,6 +559,13 @@
       } 
     Code
       dm(x, y, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -551,6 +622,13 @@
       } 
     Code
       dm(x, y, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -610,6 +688,13 @@
       } 
     Code
       dm(x, y, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -666,6 +751,13 @@
       } 
     Code
       dm(x, y, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -724,6 +816,13 @@
       } 
     Code
       dm(x, y, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -779,6 +878,13 @@
       } 
     Code
       dm(x, y, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -837,6 +943,13 @@
       } 
     Code
       dm(x, y, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -892,6 +1005,13 @@
       } 
     Code
       dm(x, y, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -956,6 +1076,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1021,6 +1148,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1089,6 +1223,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1154,6 +1295,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1222,6 +1370,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1287,6 +1442,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1355,6 +1517,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1420,6 +1589,13 @@
       } 
     Code
       dm(x, y, z, r = left_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1444,6 +1620,14 @@
 
     Code
       dm <- dm_nycflights13()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       keyed_tbl_impl(dm, "weather") %>% left_join(keyed_tbl_impl(dm, "flights"),
       multiple = "all")
     Output
@@ -1472,6 +1656,13 @@
 
     Code
       dm(x, y, r = semi_join(x, y)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1486,6 +1677,13 @@
         dm::dm_add_fk(r, a, y)
     Code
       dm(x, y, r = semi_join(y, x)) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         x,
@@ -1529,6 +1727,14 @@
 
     Code
       dm <- dm_nycflights13(cycle = TRUE)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       keyed_tbl_impl(dm, "flights") %>% group_by(month)
     Output
       # A tibble: 1,761 x 19
@@ -1594,6 +1800,14 @@
 
     Code
       dm <- dm_nycflights13(cycle = TRUE)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       keyed_tbl_impl(dm, "airports") %>% summarise(mean_alt = mean(alt))
     Output
       # A tibble: 1 x 1
diff --git a/tests/testthat/_snaps/disentangle.md b/tests/testthat/_snaps/disentangle.md
index e8900dc775..b46a71bf61 100644
--- a/tests/testthat/_snaps/disentangle.md
+++ b/tests/testthat/_snaps/disentangle.md
@@ -50,6 +50,13 @@
       12 tf_6-2      o             tf_7-2       p               no_action
     Code
       dm_disentangle(entangled_dm(), a, quiet = TRUE) %>% dm_get_all_fks()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 22 x 5
          child_table child_fk_cols parent_table parent_key_cols on_delete
@@ -92,6 +99,13 @@
       # ... with 12 more rows
     Code
       dm_disentangle(entangled_dm_2(), a) %>% dm_get_all_fks()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       Replaced table `b` with `b-1`, `b-2`.
       Replaced table `c` with `c-1`, `c-2`.
diff --git a/tests/testthat/_snaps/dm.md b/tests/testthat/_snaps/dm.md
index ea645564c7..0fad7a4e31 100644
--- a/tests/testthat/_snaps/dm.md
+++ b/tests/testthat/_snaps/dm.md
@@ -2,6 +2,13 @@
 
     Code
       dm(a = tibble(), a = tibble(), .name_repair = "unique")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       New names:
       * `a` -> `a...1`
@@ -14,6 +21,13 @@
       Foreign keys: 0
     Code
       dm(a = tibble(), a = tibble(), .name_repair = "unique", .quiet = TRUE)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `a...1`, `a...2`
@@ -26,6 +40,12 @@
     Code
       dm(a = tibble(), a = tibble())
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm()`:
       ! Names must be unique.
       x These names are duplicated:
@@ -36,6 +56,12 @@
     Code
       dm(a = dm())
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm()`:
       ! All dm objects passed to `dm()` must be unnamed.
       i Argument 1 has name `a`.
@@ -54,6 +80,12 @@
     Code
       dm(dm_for_filter(), tf_1 = data_card_1(), .name_repair = "check_unique")
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm()`:
       ! Names must be unique.
       x These names are duplicated:
@@ -64,6 +96,13 @@
     Code
       dm(dm_for_flatten(), res_flat = result_from_flatten()) %>% dm_paste(options = c(
         "select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         fact,
@@ -93,6 +132,12 @@
     Code
       dm(dm_for_filter(), dm_for_flatten(), dm_for_filter())
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm()`:
       ! Names must be unique.
       x These names are duplicated:
@@ -108,6 +153,10 @@
     Code
       writeLines(conditionMessage(expect_error(dm(dm_for_flatten(),
       dm_for_filter_duckdb()))))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
     Output
       All `dm` objects need to share the same `src`.
 
@@ -115,14 +164,35 @@
 
     Code
       dm()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm()
     Code
       dm(empty_dm())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm()
     Code
       dm(dm_for_filter()) %>% collect()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `tf_1`, `tf_2`, `tf_3`, `tf_4`, `tf_5`, `tf_6`
@@ -132,6 +202,13 @@
     Code
       dm(dm_for_filter(), dm_for_flatten(), dm_for_filter(), .name_repair = "unique",
       .quiet = TRUE) %>% collect()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `tf_1...1`, `tf_2...2`, `tf_3...3`, `tf_4...4`, `tf_5...5`, ... (17 total)
@@ -144,6 +221,12 @@
     Code
       dm(dm_for_filter(), dm_for_flatten(), dm_for_filter())
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm()`:
       ! Names must be unique.
       x These names are duplicated:
@@ -159,6 +242,13 @@
     Code
       dm(dm_for_filter(), dm_for_flatten(), dm_for_filter(), .name_repair = "unique") %>%
         collect()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       New names:
       * `tf_1` -> `tf_1...1`
@@ -184,6 +274,13 @@
 
     Code
       dm(dm_for_filter(), dm_for_flatten()) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         tf_1,
@@ -230,6 +327,13 @@
         dm::dm_add_fk(fact, dim_4_key, dim_4)
     Code
       dm(dm_for_flatten(), dm_for_filter()) %>% dm_paste(options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         fact,
@@ -280,6 +384,13 @@
     Code
       dm(dm_for_flatten(), dm_for_flatten(), .name_repair = "unique") %>% dm_paste(
         options = c("select", "keys"))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       New names:
       * `fact` -> `fact...1`
@@ -335,6 +446,13 @@
 
     Code
       print(dm())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm()
     Code
@@ -375,6 +493,13 @@
       Foreign keys: 4
     Code
       dm(nyc_comp(), car_table)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       -- Metadata --------------------------------------------------------------------
       Tables: `airlines`, `airports`, `flights`, `planes`, `weather`, `car_table`
@@ -642,6 +767,13 @@
     Code
       dm_nycflights13() %>% dm_select_tbl(weather) %>% dm_select(weather, -origin) %>%
         glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 1 tables: `weather`
       
@@ -672,6 +804,13 @@
 
     Code
       dm_nycflights13() %>% dm_zoom_to(airports) %>% glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -690,6 +829,13 @@
       $ tzone <chr> "America/New_York", "America/New_York", "America/Chicago", "Amer~
     Code
       dm_nycflights13() %>% dm_zoom_to(flights) %>% glimpse(width = 100)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -723,6 +869,13 @@
       $ time_hour      <dttm> 2013-01-10 23:00:00, 2013-01-10 23:00:00, 2013-01-10 05:00:00, 2013-01-10 ~
     Code
       dm_nycflights13() %>% dm_zoom_to(weather) %>% select(-origin) %>% glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -747,6 +900,13 @@
     Code
       dm_nycflights13() %>% dm_zoom_to(weather) %>% rename(origin_location = origin) %>%
         glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -772,6 +932,13 @@
       $ time_hour       <dttm> 2013-01-10 00:00:00, 2013-01-10 01:00:00, 2013-01-10 ~
     Code
       dm_nycflights13() %>% dm_zoom_to(flights) %>% select(-carrier) %>% glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -803,6 +970,13 @@
       $ time_hour      <dttm> 2013-01-10 23:00:00, 2013-01-10 23:00:00, 2013-01-10 0~
     Code
       dm_nycflights13() %>% dm_zoom_to(flights) %>% select(-origin) %>% glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
@@ -834,6 +1008,13 @@
     Code
       dm_nycflights13() %>% dm_zoom_to(flights) %>% rename(origin_location = origin) %>%
         glimpse()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       dm of 5 tables: `airlines`, `airports`, `flights`, `planes`, `weather`
       
diff --git a/tests/testthat/_snaps/dm_deconstruct.md b/tests/testthat/_snaps/dm_deconstruct.md
index 0b9d70253b..b5aec0c739 100644
--- a/tests/testthat/_snaps/dm_deconstruct.md
+++ b/tests/testthat/_snaps/dm_deconstruct.md
@@ -2,6 +2,14 @@
 
     Code
       dm <- dm_nycflights13()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_deconstruct(dm)
     Message
       airlines <- pull_tbl(dm, "airlines", keyed = TRUE)
@@ -14,6 +22,14 @@
 
     Code
       dm <- dm(`if` = tibble(a = 1), `a b` = tibble(b = 1))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_deconstruct(dm)
     Message
       `if` <- pull_tbl(dm, "if", keyed = TRUE)
diff --git a/tests/testthat/_snaps/dm_nest_tbl.md b/tests/testthat/_snaps/dm_nest_tbl.md
index 4f553c31d2..424b603963 100644
--- a/tests/testthat/_snaps/dm_nest_tbl.md
+++ b/tests/testthat/_snaps/dm_nest_tbl.md
@@ -20,6 +20,14 @@
       Foreign keys: 3
     Code
       dm_packed_nested_unnested <- dm_unnest_tbl(dm_packed_nested, tf_3, tf_2, ptype = dm_for_filter())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_packed_nested_unnested
     Output
       -- Metadata --------------------------------------------------------------------
@@ -30,6 +38,14 @@
     Code
       dm_packed_nested_unnested_unpacked <- dm_unpack_tbl(dm_packed_nested_unnested,
         tf_2, tf_1, ptype = dm_for_filter())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_packed_nested_unnested_unpacked
     Output
       -- Metadata --------------------------------------------------------------------
diff --git a/tests/testthat/_snaps/dm_pixarfilms.md b/tests/testthat/_snaps/dm_pixarfilms.md
index e97115512f..b7e62a6bc0 100644
--- a/tests/testthat/_snaps/dm_pixarfilms.md
+++ b/tests/testthat/_snaps/dm_pixarfilms.md
@@ -2,6 +2,13 @@
 
     Code
       dm_examine_constraints(dm_pixarfilms(consistent = FALSE))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       ! Unsatisfied constraints:
     Output
@@ -11,6 +18,13 @@
 
     Code
       dm_examine_constraints(dm_pixarfilms(consistent = TRUE))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       i All constraints satisfied.
 
diff --git a/tests/testthat/_snaps/dm_wrap.md b/tests/testthat/_snaps/dm_wrap.md
index d339e777e8..abf2aafcda 100644
--- a/tests/testthat/_snaps/dm_wrap.md
+++ b/tests/testthat/_snaps/dm_wrap.md
@@ -40,6 +40,38 @@
 
     Code
       unwrapped <- dm_unwrap_tbl(dm_wrap_tbl(dm_for_filter(), tf_4), dm_for_filter())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       unwrapped
     Output
       -- Metadata --------------------------------------------------------------------
diff --git a/tests/testthat/_snaps/enum-ops.md b/tests/testthat/_snaps/enum-ops.md
index 9e83a6377d..3f929c63b3 100644
--- a/tests/testthat/_snaps/enum-ops.md
+++ b/tests/testthat/_snaps/enum-ops.md
@@ -4,6 +4,14 @@
       parent <- tibble(a = c(1L, 1:3), b = -1)
       child <- tibble(a = 1:4, c = 3)
       dm <- dm(parent, child)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       ops <- enum_ops(dm)
       ops
     Output
@@ -92,6 +100,14 @@
       parent <- tibble(a = c(1L, 1:3), b = -1)
       child <- tibble(a = 1:4, c = 3)
       dm <- dm(parent, child)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       ops <- enum_ops(dm)
       ops
     Output
@@ -224,6 +240,14 @@
       parent <- tibble(a = c(1L, 1:3), b = -1)
       child <- tibble(a = 1:4, c = 3)
       dm <- dm(parent, child)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       ops <- enum_ops(dm)
       ops
     Output
@@ -356,6 +380,14 @@
       parent <- tibble(a = c(1L, 1:3), b = -1)
       child <- tibble(a = 1:4, c = 3)
       dm <- dm(parent, child) %>% dm_add_pk(parent, b)
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       ops <- enum_ops(dm)
       ops
     Output
diff --git a/tests/testthat/_snaps/examine-cardinalities.md b/tests/testthat/_snaps/examine-cardinalities.md
index 1aa0e38a59..6952dd198f 100644
--- a/tests/testthat/_snaps/examine-cardinalities.md
+++ b/tests/testthat/_snaps/examine-cardinalities.md
@@ -2,6 +2,13 @@
 
     Code
       dm_examine_cardinalities(dm_for_card())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       * FK: dc_2$(`a`, `b`) -> dc_1$(`a`, `b`): injective mapping (child: 0 or 1 -> parent: 1)
       * FK: dc_3$(`a`, `b`) -> dc_1$(`a`, `b`): surjective mapping (child: 1 to n -> parent: 1)
@@ -33,6 +40,13 @@
       * FK: dc_3$(`b`, `a`) -> dc_4$(`b`, `a`): generic mapping (child: 0 to n -> parent: 1)
     Code
       dm_examine_cardinalities(dm())
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       ! No FKs available in `dm`.
 
diff --git a/tests/testthat/_snaps/examine-constraints.md b/tests/testthat/_snaps/examine-constraints.md
index 8170759517..71b7accd57 100644
--- a/tests/testthat/_snaps/examine-constraints.md
+++ b/tests/testthat/_snaps/examine-constraints.md
@@ -2,6 +2,13 @@
 
     Code
       dm() %>% dm_examine_constraints()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       i No constraints defined.
     Code
diff --git a/tests/testthat/_snaps/foreign-keys.md b/tests/testthat/_snaps/foreign-keys.md
index e607955665..bb13385801 100644
--- a/tests/testthat/_snaps/foreign-keys.md
+++ b/tests/testthat/_snaps/foreign-keys.md
@@ -181,6 +181,13 @@
     Code
       dm_nycflights13() %>% dm_enum_fk_candidates(flights, airports) %>% mutate(why = if_else(
         why != "", "<reason>", ""))
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 19 x 3
          columns        candidate why       
@@ -210,6 +217,13 @@
     Code
       dm(a = tibble(x = 1), b = tibble(x = 1)) %>% dm_add_fk(a, x, b, x, on_delete = "cascade") %>%
         dm_get_all_fks()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 1 x 5
         child_table child_fk_cols parent_table parent_key_cols on_delete
@@ -221,11 +235,23 @@
     Code
       dm(a = tibble(x = 1), b = tibble(x = 1)) %>% dm_add_fk(a, x, b, x, on_delete = "bogus")
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm_add_fk()`:
       ! `on_delete` must be one of "no_action" or "cascade", not "bogus".
     Code
       dm(a = tibble(x = 1), b = tibble(x = 1)) %>% dm_add_fk(a, x, b, x, on_delete = letters)
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm_add_fk()`:
       ! `on_delete` must be one of "no_action" or "cascade", not "a".
 
diff --git a/tests/testthat/_snaps/paste.md b/tests/testthat/_snaps/paste.md
index 2cb868c869..1507ffe9c5 100644
--- a/tests/testthat/_snaps/paste.md
+++ b/tests/testthat/_snaps/paste.md
@@ -9,6 +9,13 @@
     Code
       # empty table
       dm(a = tibble()) %>% dm_paste(options = "tables")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       a <- tibble::tibble(
       )
@@ -88,6 +95,13 @@
       # produce `dm_select()` statements in addition to the rest
       dm_for_filter() %>% dm_select(tf_5, k = k, m) %>% dm_select(tf_1, a) %>% dm(x = copy_to_my_test_src(
         tibble(q = 1L), qq)) %>% dm_paste(options = "select")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         tf_1,
@@ -141,6 +155,13 @@
       dm(a) %>% dm_zoom_to(a) %>% dm_insert_zoomed("a b") %>% dm_add_pk(a, "a b") %>%
         dm_add_fk("a b", "a b", a) %>% dm_set_colors(green = "a b") %>% dm_paste(
         options = "all")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       a <- tibble::tibble(
         `a b` = numeric(0),
@@ -161,6 +182,13 @@
       c <- tibble(x = "A", y = "A")
       dm(b, c) %>% dm_add_pk(c, x) %>% dm_add_fk(b, y, c) %>% dm_add_fk(b, z, c, y) %>%
         dm_paste()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         b,
@@ -197,6 +225,13 @@
       # on_delete if needed
       dm(b, c) %>% dm_add_pk(c, x) %>% dm_add_fk(b, y, c, on_delete = "cascade") %>%
         dm_add_fk(b, z, c, y, on_delete = "no_action") %>% dm_paste()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
         b,
@@ -208,6 +243,13 @@
     Code
       # all of nycflights13
       dm_nycflights13() %>% dm_paste(options = "all")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       airlines <- tibble::tibble(
         carrier = character(0),
@@ -299,6 +341,12 @@
       Warning:
       The `select` argument of `dm_paste()` is deprecated as of dm 0.1.2.
       i Please use the `options` argument instead.
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       dm::dm(
       )
@@ -315,6 +363,13 @@
       # no error for factor column that leads to code with width > 500
       dm(tibble(a = factor(levels = expand.grid(letters, as.character(1:5)) %>%
         transmute(x = paste0(Var1, Var2)) %>% pull()))) %>% dm_paste(options = "tables")
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Message
       `tibble(...)` <- tibble::tibble(
         a = structure(integer(0), class = "factor", levels = c("a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1", "i1", "j1", "k1", "l1", "m1", "n1", "o1", "p1", "q1", "r1", "s1", "t1", "u1", "v1", "w1", "x1", "y1", "z1", "a2", "b2", "c2", "d2", "e2", "f2", "g2", "h2", "i2", "j2", "k2", "l2", "m2", "n2", "o2", "p2", "q2", "r2", "s2", "t2", "u2", "v2", "w2", "x2", "y2", "z2", "a3", "b3", "c3", "d3", "e3", "f3", "g3", "h3", "i3", "j3", "k3", "l3", "m3", "n3", "o3", "p3", "q3", "r3", "s3", "t3", "u3", "v3", "w3", "x3", "y3", "z3", "a4", "b4", "c4", "d4", "e4", "f4", "g4", "h4", "i4", "j4", "k4", "l4", "m4", "n4", "o4", "p4", "q4", "r4", "s4", "t4", "u4", "v4", "w4", "x4", "y4", "z4", "a5", "b5", "c5", "d5", "e5", "f5", "g5", "h5", "i5", "j5", "k5", "l5", "m5", "n5", "o5", "p5", "q5", "r5", "s5", "t5", "u5", "v5", "w5", "x5", "y5", "z5")),
diff --git a/tests/testthat/_snaps/primary-keys.md b/tests/testthat/_snaps/primary-keys.md
index 74d287b2fa..ed45c670b9 100644
--- a/tests/testthat/_snaps/primary-keys.md
+++ b/tests/testthat/_snaps/primary-keys.md
@@ -3,6 +3,12 @@
     Code
       dm(x = tibble(x = integer())) %>% dm_add_pk(x)
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm_add_pk()`:
       ! `columns` is absent but must be supplied.
 
@@ -223,6 +229,12 @@
     Code
       dm(x = tibble(a = c(1, 1))) %>% dm_add_pk(x, a, check = TRUE)
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `abort_not_unique_key()`:
       ! (`a`) not a unique key of `x`.
 
@@ -290,6 +302,12 @@
     Code
       dm(x) %>% dm_add_pk(x, columns = c(x_id, z), autoincrement = TRUE)
     Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
       Error in `dm_add_pk()`:
       ! Composite primary keys cannot be autoincremented.
       * Provide only a single column name to `columns`.
@@ -299,6 +317,13 @@
     Code
       dm(x, y = x) %>% dm_add_pk(x, columns = c(x_id), autoincrement = TRUE) %>%
         dm_add_pk(y, columns = c(x_id, z)) %>% dm_get_all_pks()
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
     Output
       # A tibble: 2 x 3
         table pk_col  autoincrement
diff --git a/tests/testthat/_snaps/rows-dm.md b/tests/testthat/_snaps/rows-dm.md
index 0d2bfb9cc5..439d389205 100644
--- a/tests/testthat/_snaps/rows-dm.md
+++ b/tests/testthat/_snaps/rows-dm.md
@@ -79,6 +79,14 @@
       suppressMessages(dm_copy <- copy_dm_to(my_db_test_src(), dm_filter_rearranged))
       dm_update_local <- dm(tf_1 = tibble(a = 2L, b = "q"), tf_4 = tibble(h = "e", i = "sieben",
         ), tf_5 = tibble(k = 3L, ww = 3, ), )
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_update_copy <- suppressMessages(copy_dm_to(my_db_test_src(), dm_update_local))
       dm_copy %>% pull_tbl(tf_2) %>% arrange_all()
     Output
@@ -268,6 +276,14 @@
       suppressMessages(dm_copy <- copy_dm_to(my_db_test_src(), dm_for_filter()))
       dm_truncate_local <- dm(tf_2 = tibble(c = c("worm"), d = 10L, ), tf_5 = tibble(
         k = 3L, m = "tree", ), )
+    Condition
+      Warning:
+      `flatten()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` or `purrr::list_c()`.
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Code
       dm_truncate_copy <- suppressMessages(copy_dm_to(my_db_test_src(),
       dm_truncate_local))
       dm_copy %>% pull_tbl(tf_2) %>% arrange_all()
@@ -441,106 +457,3 @@
       5     1 tree       f    
       
 
-# dm_rows_append() works with autoincrement PKs and FKS for selected DBs
-
-    Code
-      local_dm$t1
-    Output
-      # A tibble: 3 x 2
-            a o    
-        <int> <chr>
-      1     5 a    
-      2     6 b    
-      3     7 c    
-    Code
-      local_dm$t2
-    Output
-      # A tibble: 3 x 3
-            c     d o    
-        <int> <int> <chr>
-      1    10     7 c    
-      2     9     6 b    
-      3     8     5 a    
-    Code
-      local_dm$t3
-    Output
-      # A tibble: 3 x 2
-            e o    
-        <int> <chr>
-      1     6 b    
-      2     5 a    
-      3     7 c    
-    Code
-      local_dm$t4
-    Output
-      # A tibble: 3 x 3
-            g     h o    
-        <int> <int> <chr>
-      1     1     8 a    
-      2     2     9 b    
-      3     3    10 c    
-    Code
-      filled_dm$t1
-    Output
-      # A tibble: 3 x 2
-            a o    
-        <int> <chr>
-      1     5 a    
-      2     6 b    
-      3     7 c    
-    Code
-      filled_dm$t2
-    Output
-      # A tibble: 3 x 3
-            c     d o    
-        <int> <int> <chr>
-      1    10     7 c    
-      2     9     6 b    
-      3     8     5 a    
-    Code
-      filled_dm$t3
-    Output
-      # A tibble: 0 x 2
-      # ... with 2 variables: e <int>, o <chr>
-    Code
-      filled_dm$t4
-    Output
-      # A tibble: 3 x 3
-            g     h o    
-        <int> <int> <chr>
-      1    NA     8 a    
-      2    NA     9 b    
-      3    NA    10 c    
-    Code
-      filled_dm_in_place$t1
-    Output
-      # A tibble: 3 x 2
-            a o    
-        <int> <chr>
-      1     1 a    
-      2     2 b    
-      3     3 c    
-    Code
-      filled_dm_in_place$t2
-    Output
-      # A tibble: 3 x 3
-            c     d o    
-        <int> <int> <chr>
-      1     1     3 c    
-      2     2     2 b    
-      3     3     1 a    
-    Code
-      filled_dm_in_place$t3
-    Output
-      # A tibble: 0 x 2
-      # ... with 2 variables: e <int>, o <chr>
-    Code
-      filled_dm_in_place$t4
-    Output
-      # A tibble: 3 x 3
-            g     h o    
-        <int> <int> <chr>
-      1     1     3 a    
-      2     2     2 b    
-      3     3     1 c    
-
diff --git a/tests/testthat/_snaps/unique-keys.md b/tests/testthat/_snaps/unique-keys.md
index 29ab45d0c8..ea1e72805a 100644
--- a/tests/testthat/_snaps/unique-keys.md
+++ b/tests/testthat/_snaps/unique-keys.md
@@ -54,6 +54,11 @@
       nyc_1_uk %>% dm_rm_uk() %>% dm_get_all_uks()
     Message
       Removing unique keys: %>%
+    Condition
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Message
         dm_rm_uk(flights, c(year, month, day, dep_time, sched_dep_time, dep_delay, arr_time, sched_arr_time, arr_delay, carrier, flight, tailnum, origin, dest, air_time, distance, hour, minute, time_hour))
     Output
       # A tibble: 3 x 3
@@ -66,6 +71,11 @@
       nyc_1_uk %>% dm_rm_uk(flights) %>% dm_get_all_uks()
     Message
       Removing unique keys: %>%
+    Condition
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Message
         dm_rm_uk(flights, c(year, month, day, dep_time, sched_dep_time, dep_delay, arr_time, sched_arr_time, arr_delay, carrier, flight, tailnum, origin, dest, air_time, distance, hour, minute, time_hour))
     Output
       # A tibble: 3 x 3
@@ -88,6 +98,11 @@
         planes, c(year, manufacturer, model)) %>% dm_rm_uk() %>% dm_get_all_uks()
     Message
       Removing unique keys: %>%
+    Condition
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Message
         dm_rm_uk(flights, c(year, month, day, dep_time, sched_dep_time, dep_delay, arr_time, sched_arr_time, arr_delay, carrier, flight, tailnum, origin, dest, air_time, distance, hour, minute, time_hour)) %>%
         dm_rm_uk(flights, c(origin, dest, time_hour)) %>%
         dm_rm_uk(planes, c(year, manufacturer, model))
@@ -103,6 +118,11 @@
         planes, manufacturer) %>% dm_rm_uk() %>% dm_get_all_uks()
     Message
       Removing unique keys: %>%
+    Condition
+      Warning:
+      `flatten_chr()` is deprecated as of rlang 1.1.0.
+      i Please use `purrr::list_flatten()` and/or `purrr::list_c()`.
+    Message
         dm_rm_uk(flights, c(year, month, day, dep_time, sched_dep_time, dep_delay, arr_time, sched_arr_time, arr_delay, carrier, flight, tailnum, origin, dest, air_time, distance, hour, minute, time_hour)) %>%
         dm_rm_uk(flights, c(origin, dest, time_hour)) %>%
         dm_rm_uk(planes, manufacturer)