diff --git a/CHANGES.md b/CHANGES.md
index 64e0891e5..bf8fc9424 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,12 @@
 ### Added
 * `HttpResponse` and `HttpResponseBuilder` structs. [#2065]
 
+### Changed
+* Most error types are now marked `#[non_exhaustive]`. [#2148]
+
 [#2065]: https://github.com/actix/actix-web/pull/2065
+[#2148]: https://github.com/actix/actix-web/pull/2148
+
 
 ## 4.0.0-beta.5 - 2021-04-02
 ### Added
diff --git a/actix-http/CHANGES.md b/actix-http/CHANGES.md
index 9d48ee7f2..e50259634 100644
--- a/actix-http/CHANGES.md
+++ b/actix-http/CHANGES.md
@@ -9,6 +9,7 @@
 * Deprecated methods on `ResponseBuilder`: `if_true`, `if_some`. [#2148]
 * `ResponseBuilder::json`. [#2148]
 * `ResponseBuilder::{set_header, header}`. [#2148]
+* `impl From<serde_json::Value> for Body`. [#2148]
 
 [#2065]: https://github.com/actix/actix-web/pull/2065
 [#2148]: https://github.com/actix/actix-web/pull/2148
diff --git a/awc/CHANGES.md b/awc/CHANGES.md
index eb008ff98..a0bfcac86 100644
--- a/awc/CHANGES.md
+++ b/awc/CHANGES.md
@@ -1,6 +1,10 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
+### Removed
+* Deprecated methods on `ClientRequest`: `if_true`, `if_some`. [#2148]
+
+[#2148]: https://github.com/actix/actix-web/pull/2148
 
 
 ## 3.0.0-beta.4 - 2021-04-02
diff --git a/src/error.rs b/src/error.rs
index e0b532bb0..cc1a055b8 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -136,9 +136,7 @@ pub enum PathError {
 /// Return `BadRequest` for `PathError`
 impl ResponseError for PathError {
     fn status_code(&self) -> StatusCode {
-        match self {
-            _ => StatusCode::BAD_REQUEST,
-        }
+        StatusCode::BAD_REQUEST
     }
 }