diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6307777..9099283f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Changelog
 
+## [v4.19.0] - 2024-10-03
+
+### Added
+
+- **[dnsprovider]** Add DNS provider for HuaweiCloud
+- **[dnsprovider]** Add DNS provider for SelfHost.(de|eu)
+- **[lib,cli,dnsprovider]** Add `dns.propagation-rns` option
+- **[cli,dnsprovider]** Add `dns.propagation-wait` flag
+- **[lib,dnsprovider]** Add `PropagationWait` function
+
+### Changed
+
+- **[dnsprovider]** ionos: follow CNAME
+- **[lib,dnsprovider]** Reducing the lock strength of the soa cache entry
+- **[lib,cli,dnsprovider]** Deprecation of `dns.disable-cp`, replaced by `dns.propagation-disable-ans`.
+
+### Fixed
+
+- **[dnsprovider]** Use UTC instead of GMT when possible
+- **[dnsprovider]** namesilo: restrict CleanUp
+- **[dnsprovider]** godaddy: fix cleanup
+
 ## [v4.18.0] - 2024-08-30
 
 ### Added
diff --git a/acme/api/internal/sender/useragent.go b/acme/api/internal/sender/useragent.go
index 6e47b7c5..50ac247b 100644
--- a/acme/api/internal/sender/useragent.go
+++ b/acme/api/internal/sender/useragent.go
@@ -5,10 +5,10 @@ package sender
 
 const (
 	// ourUserAgent is the User-Agent of this underlying library package.
-	ourUserAgent = "xenolf-acme/4.18.0"
+	ourUserAgent = "xenolf-acme/4.19.0"
 
 	// ourUserAgentComment is part of the UA comment linked to the version status of this underlying library package.
 	// values: detach|release
 	// NOTE: Update this with each tagged release.
-	ourUserAgentComment = "detach"
+	ourUserAgentComment = "release"
 )