[Doc] Add CHANGELOG.md.

Author: vyazelenko

CHANGELOG.md

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+# Changelog
+
+## [1.35.0] - 2025-05-26
+### Changed
+* Update `Implementation-Vendor`.
+* **Rust:** Elide explicit ActingVersion lifetime. ([#1053](https://github.com/aeron-io/simple-binary-encoding/pull/1053))
+* **CI:** Use `gradle/actions/setup-gradle` action for caching Gradle dependencies.
+* **CI:** Enable JDK 24 GA build.
+* **CI:** Simplify error log upload.
+* **CI:**  Remove Ubuntu 20.04 based builds.
+* **CI:** Bump Go build to use 1.23.x and 1.24.x.
+* Bump `Agrona` to 2.2.0.
+* Bump `Gradle` to 8.14.1.
+* Bump `Checkstyle` to 10.24.0.
+* Bump `json` to 20250517.
+* Bump `JUnit` to 5.12.2.
+* Bump `Mockito` to 5.18.0.
+* Bump `Shadow` to 8.3.6.
+* Bump `Versions` to 0.52.
+
+### Fixed
+* **Java:** include field 'deprecated' in ir encoding and decoding.
+* **Java:** Adjust Java DTO Choice Set Access. ([#1064](https://github.com/aeron-io/simple-binary-encoding/issues/1064))
+* **Rust:** get proper version for composite types. ([#1058](https://github.com/aeron-io/simple-binary-encoding/pull/1058))
+* **C#:** Read NuGet package version from version file ([#1061](https://github.com/aeron-io/simple-binary-encoding/pull/1061))
+* **C#:** Enable dual build for netstandard2.0 & netstandard2.1. ([#1062](https://github.com/aeron-io/simple-binary-encoding/pull/1062))
+
+## [1.34.1] - 2025-01-13
+### Changed
+* Bump `json` to 20250107.
+* Bump `Mockito` to 5.15.2.
+
+### Added
+* **Doc:** Add `--add-opens java.base/jdk.internal.misc=ALL-UNNAMED` to the example execution.
+* **Rust:** encoding primitive arrays now supports slice instead of array (issue [#1021](https://github.com/aeron-io/simple-binary-encoding/issues/)). ([#1040](https://github.com/aeron-io/simple-binary-encoding/pull/1040))
+
+### Fixed
+* **C++:** check for not wrapped state in `decodeLength()` when precedence checks are enabled. ([#1046](https://github.com/aeron-io/simple-binary-encoding/pull/1046))
+* **C++:** use `m_actingBlockLength` in `decodeLength()`. ([#1045](https://github.com/aeron-io/simple-binary-encoding/pull/1045))
+
+## [1.34.0] - 2024-12-17
+### Changed
+* **C++:** hide the m_codecStatePtr behind ifdefs to avoid overhead when precedence checking is disabled. ([#1036](https://github.com/aeron-io/simple-binary-encoding/pull/1036))
+* **C++:** use constexpr to define precedence checks lookup tables.
+* **Rust:** Enhance enum supporting fromstr and display and into. ([#1020](https://github.com/aeron-io/simple-binary-encoding/pull/1020))
+* **Rust:** codegen of primitive enums now implement 'From' instead of 'Into'. ([#1029](https://github.com/aeron-io/simple-binary-encoding/pull/1029))
+* **Java:** Update Checkstyle rules and apply them.
+* **Breaking:** Bump `Agrona` to 2.0.0.
+  _**Note:** `--add-opens java.base/jdk.internal.misc=ALL-UNNAMED` JVM option must be specified in order to generate codecs or use the generated Java classes. For example:_
+  ```shell
+  $ java --add-opens java.base/jdk.internal.misc=ALL-UNNAMED -Dsbe.generate.ir=true -Dsbe.target.language=Cpp -Dsbe.target.namespace=sbe -Dsbe.output.dir=include/gen -Dsbe.errorLog=yes -jar sbe-all/build/libs/sbe-all-${SBE_TOOL_VERSION}.jar my-sbe-messages.xml
+  ```
+* Bump `Gradle` to 8.11.1.
+* Bump `Checkstyle` to 10.21.0.
+* Bump `ByteBuddy` to 1.15.11.
+* Bump `JUnit` to 5.11.4.
+* Bump `jqwik` to 1.9.2.
+
+### Added
+* **C++:** Integrate std::span support for flyweight API. ([#1038](https://github.com/aeron-io/simple-binary-encoding/pull/1038), [#1027](https://github.com/aeron-io/simple-binary-encoding/pull/1027))
+* **Rust:** generate message schema level info in lib.rs. ([#1019](https://github.com/aeron-io/simple-binary-encoding/pull/1019))
+
+### Fixed
+* **C++:** Fix field precedence check issue [#1031](https://github.com/aeron-io/simple-binary-encoding/issues/1031). ([#1033](https://github.com/aeron-io/simple-binary-encoding/pull/1033))
+* **C++:** respect the package override option for C++ codecs and DTOs. ([#1024](https://github.com/aeron-io/simple-binary-encoding/pull/1024))
+* **C#:** respect the package override option for C# codecs and DTOs. ([#1024](https://github.com/aeron-io/simple-binary-encoding/pull/1024))
+* **Go:** Fix warning about used args in GolangFlyweightGenerator.
+* **Rust:** Updated code generator to resolve Issue [#1028](https://github.com/aeron-io/simple-binary-encoding/issues/1028). ([#1037](https://github.com/aeron-io/simple-binary-encoding/pull/1037))
+* **Java:** Prevent collision when field name is 'value'.
+* **Java:** Preserve byte order throughout IR transformations.
+
+[1.35.0]: https://github.com/aeron-io/simple-binary-encoding/releases/tag/1.35.0
+[1.34.1]: https://github.com/aeron-io/simple-binary-encoding/releases/tag/1.34.1
+[1.34.0]: https://github.com/aeron-io/simple-binary-encoding/releases/tag/1.34.0