Update CHANGELOG for 4.1.1 release

CHANGELOG.md

@@ -11,6 +11,44 @@ For Helidon 2.x releases please see [Helidon 2.x CHANGELOG.md](https://github.co
 
 For Helidon 1.x releases please see [Helidon 1.x CHANGELOG.md](https://github.com/oracle/helidon/blob/helidon-1.x/CHANGELOG.md)
 
+## [4.1.1]
+
+This release contains important bugfixes and enhancements and is recommended for all users of Helidon 4. It is compatible with Helidon 4.0.X.
+
+A minimum of Java 21 is required to use Helidon 4.
+
+### Notable Changes
+
+- Implement gRPC MP Client [9026](https://github.com/helidon-io/helidon/pull/9026)
+
+### CHANGES
+
+- CORS: Remove headers that do not affect CORS decision-making from request adapter logging output [9178](https://github.com/helidon-io/helidon/pull/9178)
+- Codegen: Add support for additional modifiers [9201](https://github.com/helidon-io/helidon/pull/9201)
+- Codegen: Fix generation of annotations, including lists, nested annotations etc. [9182](https://github.com/helidon-io/helidon/pull/9182)
+- Codegen: Handling enum and type values in a consistent way in code generation. [9167](https://github.com/helidon-io/helidon/pull/9167)
+- Codegen: Support for validation of Duration and URI default values. [9166](https://github.com/helidon-io/helidon/pull/9166)
+- Codegen: Udpates to types and annotation processing [9168](https://github.com/helidon-io/helidon/pull/9168)
+- Config: Replace manual casts on pattern with instanceof in HoconConfigParser [9209](https://github.com/helidon-io/helidon/pull/9209)
+- LRA: Replace deprecated method Scheduling.fixedRateBuilder() [9098](https://github.com/helidon-io/helidon/pull/9098)
+- Security: Required authorization propagated from the class level now [9137](https://github.com/helidon-io/helidon/pull/9137)
+- Tracing: Allow users to direct Helidon to use an existing global `OpenTelemetry` instance rather than create its own [9205](https://github.com/helidon-io/helidon/pull/9205)
+- WebServer: Allows the creation of empty SSE events [9207](https://github.com/helidon-io/helidon/pull/9207)
+- WebServer: Increases default value of write-buffer-size to 4K [9190](https://github.com/helidon-io/helidon/pull/9190)
+- WebServer: UncheckedIOException no longer a special case [9206](https://github.com/helidon-io/helidon/pull/9206)
+- gRPC: Downgrades version of protobuf for backwards compatibility [9162](https://github.com/helidon-io/helidon/pull/9162)
+- gRPC: Implements support for client gRPC channel injections [9155](https://github.com/helidon-io/helidon/pull/9155)
+- gRPC: Implements the gRPC MP Client API [9026](https://github.com/helidon-io/helidon/pull/9026)
+- gRPC: Renames package-private Grpc type to GrpcRouteHandler [9173](https://github.com/helidon-io/helidon/pull/9173)
+- Build: Fix nightly script [9221](https://github.com/helidon-io/helidon/pull/9221)
+- Build: Update release workflows [9210](https://github.com/helidon-io/helidon/pull/9210)
+- Dependencies: Upgrade microprofile-cdi-tck to 4.0.13 [9141](https://github.com/helidon-io/helidon/pull/9141)
+- Dependencies: Upgrade oci sdk to 3.46.1 [9179](https://github.com/helidon-io/helidon/pull/9179)
+- Dependencies: Upgrade slf4j to 2.0.16 [9143](https://github.com/helidon-io/helidon/pull/9143)
+- Deprecation: deprecate old injection integration for oci [9184](https://github.com/helidon-io/helidon/pull/9184)
+- Docs: Clarify description of config profiles [9188](https://github.com/helidon-io/helidon/pull/9188)
+- Docs: Documents gRPC MP Client API [9150](https://github.com/helidon-io/helidon/pull/9150)
+- Tests: Builder tests that confidential options are not printed in toString() [9154](https://github.com/helidon-io/helidon/pull/9154)
 
 ## [4.1.0]
 
@@ -1397,6 +1435,7 @@ Helidon 4.0.0 is a major release that includes significant new features and fixe
 - MicroProfile: MP path based static content should use index.html (4.x) [4737](https://github.com/oracle/helidon/pull/4737)
 - Build: 4.0 version and poms [4655](https://github.com/oracle/helidon/pull/4655)
 
+[4.1.1]: https://github.com/oracle/helidon/compare/4.1.0...4.1.1
 [4.1.0]: https://github.com/oracle/helidon/compare/4.0.11...4.1.0
 [4.0.11]: https://github.com/oracle/helidon/compare/4.0.10...4.0.11
 [4.0.10]: https://github.com/oracle/helidon/compare/4.0.9...4.0.10