diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc1b296d9f..82aa089bba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+1.4.1 (2020-10-13)
+==================
+This is a small bug fix release that makes `\p{cf}` work. Previously, it would
+report "property not found" even though `cf` is a valid abbreviation for the
+`Format` general category.
+
+* [BUG #719](https://github.com/rust-lang/regex/issues/719):
+  Fixes bug that prevented `\p{cf}` from working.
+
+
 1.4.0 (2020-10-11)
 ==================
 This releases has a few minor documentation fixes as well as some very minor
diff --git a/regex-syntax/src/unicode.rs b/regex-syntax/src/unicode.rs
index 7e414396f5..a78362b2fb 100644
--- a/regex-syntax/src/unicode.rs
+++ b/regex-syntax/src/unicode.rs
@@ -237,8 +237,16 @@ impl<'a> ClassQuery<'a> {
     fn canonical_binary(&self, name: &str) -> Result<CanonicalClassQuery> {
         let norm = symbolic_name_normalize(name);
 
-        if let Some(canon) = canonical_prop(&norm)? {
-            return Ok(CanonicalClassQuery::Binary(canon));
+        // This is a special case where 'cf' refers to the 'Format' general
+        // category, but where the 'cf' abbreviation is also an abbreviation
+        // for the 'Case_Folding' property. But we want to treat it as
+        // a general category. (Currently, we don't even support the
+        // 'Case_Folding' property. But if we do in the future, users will be
+        // required to spell it out.)
+        if norm != "cf" {
+            if let Some(canon) = canonical_prop(&norm)? {
+                return Ok(CanonicalClassQuery::Binary(canon));
+            }
         }
         if let Some(canon) = canonical_gencat(&norm)? {
             return Ok(CanonicalClassQuery::GeneralCategory(canon));
diff --git a/tests/unicode.rs b/tests/unicode.rs
index 52522f41c6..9f1cd0c01f 100644
--- a/tests/unicode.rs
+++ b/tests/unicode.rs
@@ -74,6 +74,9 @@ mat!(
     Some((0, 3))
 );
 mat!(uni_class_gencat_format, r"\p{Format}", "\u{E007F}", Some((0, 4)));
+// See: https://github.com/rust-lang/regex/issues/719
+mat!(uni_class_gencat_format_abbrev1, r"\p{cf}", "\u{E007F}", Some((0, 4)));
+mat!(uni_class_gencat_format_abbrev2, r"\p{gc=cf}", "\u{E007F}", Some((0, 4)));
 mat!(
     uni_class_gencat_initial_punctuation,
     r"\p{Initial_Punctuation}",