diff --git a/crates/nu-cli/src/commands/commandline.rs b/crates/nu-cli/src/commands/commandline.rs
index 67c33b65ae..5945fc86fe 100644
--- a/crates/nu-cli/src/commands/commandline.rs
+++ b/crates/nu-cli/src/commands/commandline.rs
@@ -16,7 +16,10 @@ impl Command for Commandline {
 
     fn signature(&self) -> Signature {
         Signature::build("commandline")
-            .input_output_types(vec![(Type::Nothing, Type::Nothing)])
+            .input_output_types(vec![
+                (Type::Nothing, Type::Nothing),
+                (Type::String, Type::String),
+            ])
             .switch(
                 "cursor",
                 "Set or get the current cursor position",
diff --git a/crates/nu-command/src/conversions/into/datetime.rs b/crates/nu-command/src/conversions/into/datetime.rs
index 301ab2bf62..1a524cd81d 100644
--- a/crates/nu-command/src/conversions/into/datetime.rs
+++ b/crates/nu-command/src/conversions/into/datetime.rs
@@ -67,6 +67,7 @@ impl Command for SubCommand {
         .input_output_types(vec![
             (Type::Int, Type::Date),
             (Type::String, Type::Date),
+            (Type::List(Box::new(Type::String)), Type::List(Box::new(Type::Date))),
         ])
         .named(
                 "timezone",
@@ -188,6 +189,39 @@ impl Command for SubCommand {
                 #[allow(clippy::inconsistent_digit_grouping)]
                 result: example_result_1(1614434140_000000000),
             },
+            Example {
+                description: "Convert list of timestamps to datetimes",
+                example: r#"["2023-03-30 10:10:07 -05:00", "2023-05-05 13:43:49 -05:00", "2023-06-05 01:37:42 -05:00"] | into datetime"#,
+                result: Some(Value::List {
+                    vals: vec![
+                        Value::Date {
+                            val: DateTime::parse_from_str(
+                                "2023-03-30 10:10:07 -05:00",
+                                "%Y-%m-%d %H:%M:%S %z",
+                            )
+                            .expect("date calculation should not fail in test"),
+                            span: Span::test_data(),
+                        },
+                        Value::Date {
+                            val: DateTime::parse_from_str(
+                                "2023-05-05 13:43:49 -05:00",
+                                "%Y-%m-%d %H:%M:%S %z",
+                            )
+                            .expect("date calculation should not fail in test"),
+                            span: Span::test_data(),
+                        },
+                        Value::Date {
+                            val: DateTime::parse_from_str(
+                                "2023-06-05 01:37:42 -05:00",
+                                "%Y-%m-%d %H:%M:%S %z",
+                            )
+                            .expect("date calculation should not fail in test"),
+                            span: Span::test_data(),
+                        },
+                    ],
+                    span: Span::test_data(),
+                }),
+            },
         ]
     }
 }
diff --git a/crates/nu-command/src/filters/append.rs b/crates/nu-command/src/filters/append.rs
index d5af53b7d1..63a6465822 100644
--- a/crates/nu-command/src/filters/append.rs
+++ b/crates/nu-command/src/filters/append.rs
@@ -22,6 +22,7 @@ impl Command for Append {
                     Type::List(Box::new(Type::Any)),
                 ),
                 (Type::Record(vec![]), Type::Table(vec![])),
+                (Type::String, Type::String),
             ])
             .required("row", SyntaxShape::Any, "the row, list, or table to append")
             .allow_variants_without_examples(true)
diff --git a/crates/nu-command/src/filters/reduce.rs b/crates/nu-command/src/filters/reduce.rs
index f607f09ee5..71ea317f32 100644
--- a/crates/nu-command/src/filters/reduce.rs
+++ b/crates/nu-command/src/filters/reduce.rs
@@ -19,6 +19,7 @@ impl Command for Reduce {
             .input_output_types(vec![
                 (Type::List(Box::new(Type::Any)), Type::Any),
                 (Type::Table(vec![]), Type::Any),
+                (Type::Range, Type::Any),
             ])
             .named(
                 "fold",
@@ -35,6 +36,7 @@ impl Command for Reduce {
                 ])),
                 "reducing function",
             )
+            .allow_variants_without_examples(true)
     }
 
     fn usage(&self) -> &str {
@@ -74,6 +76,12 @@ impl Command for Reduce {
                     "Add ascending numbers to each of the filenames, and join with semicolons.",
                 result: Some(Value::test_string("1-foo.gz; 2-bar.gz; 3-baz.gz")),
             },
+            Example {
+                example: r#"let s = "Str"; 0..2 | reduce -f '' {|it, acc| $acc + $s}"#,
+                description:
+                    "Concatenate a string with itself, using a range to determine the number of times.",
+                result: Some(Value::test_string("StrStrStr")),
+            },
         ]
     }
 
diff --git a/crates/nu-command/src/strings/str_/replace.rs b/crates/nu-command/src/strings/str_/replace.rs
index 7a4ece8e21..ed2dfcdfb0 100644
--- a/crates/nu-command/src/strings/str_/replace.rs
+++ b/crates/nu-command/src/strings/str_/replace.rs
@@ -37,6 +37,10 @@ impl Command for SubCommand {
             .input_output_types(vec![
                 (Type::String, Type::String),
                 (Type::Table(vec![]), Type::Table(vec![])),
+                (
+                    Type::List(Box::new(Type::String)),
+                    Type::List(Box::new(Type::String)),
+                ),
             ])
             .vectorizes_over_list(true)
             .required("find", SyntaxShape::String, "the pattern to find")
@@ -62,6 +66,7 @@ impl Command for SubCommand {
                 "multi-line regex mode: ^ and $ match begin/end of line; equivalent to (?m)",
                 Some('m'),
             )
+            .allow_variants_without_examples(true)
             .category(Category::Strings)
     }