diff --git a/CHANGELOG.md b/CHANGELOG.md
index d31fb5ab..f3a72ef9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 <!-- insertion marker -->
+## [1.14.3](https://github.com/mkdocstrings/python/releases/tag/1.14.3) - 2025-02-04
+
+<small>[Compare with 1.14.2](https://github.com/mkdocstrings/python/compare/1.14.2...1.14.3)</small>
+
+### Bug Fixes
+
+- Let dataclass implement `__init__` method, set extra fields in `get_options` ([477b9e4](https://github.com/mkdocstrings/python/commit/477b9e447ef9717c6edcb14bd4c53f9cacc555b8) by Timothée Mazzucotelli).
+
 ## [1.14.2](https://github.com/mkdocstrings/python/releases/tag/1.14.2) - 2025-02-03
 
 <small>[Compare with 1.14.1](https://github.com/mkdocstrings/python/compare/1.14.1...1.14.2)</small>
diff --git a/src/mkdocstrings_handlers/python/config.py b/src/mkdocstrings_handlers/python/config.py
index 5e444d27..fa8aa009 100644
--- a/src/mkdocstrings_handlers/python/config.py
+++ b/src/mkdocstrings_handlers/python/config.py
@@ -843,15 +843,6 @@ def _extract_extra(cls, data: dict[str, Any]) -> tuple[dict[str, Any], dict[str,
         copy = data.copy()
         return {name: copy.pop(name) for name in data if name not in field_names}, copy
 
-    # YORE: Bump 2: Remove block.
-    def __init__(self, **kwargs: Any) -> None:
-        """Initialize the instance."""
-        extra_fields = self._extract_extra(kwargs)
-        for name, value in kwargs.items():
-            object.__setattr__(self, name, value)
-        if extra_fields:
-            object.__setattr__(self, "_extra", extra_fields)
-
     @classmethod
     def coerce(cls, **data: Any) -> MutableMapping[str, Any]:
         """Coerce data."""
diff --git a/src/mkdocstrings_handlers/python/handler.py b/src/mkdocstrings_handlers/python/handler.py
index 7ef6b358..978488b3 100644
--- a/src/mkdocstrings_handlers/python/handler.py
+++ b/src/mkdocstrings_handlers/python/handler.py
@@ -186,12 +186,17 @@ def get_options(self, local_options: Mapping[str, Any]) -> HandlerOptions:
 
         extra = {**self.global_options.get("extra", {}), **local_options.get("extra", {})}
         options = {**self.global_options, **local_options, "extra": extra}
-        # YORE: Bump 2: Replace `, **unknown_extra` with `` within line.
         try:
-            return PythonOptions.from_data(**options, **unknown_extra)
+            # YORE: Bump 2: Replace `opts =` with `return` within line.
+            opts = PythonOptions.from_data(**options)
         except Exception as error:
             raise PluginError(f"Invalid options: {error}") from error
 
+        # YORE: Bump 2: Remove block.
+        for key, value in unknown_extra.items():
+            object.__setattr__(opts, key, value)
+        return opts
+
     def collect(self, identifier: str, options: PythonOptions) -> CollectorItem:  # noqa: D102
         module_name = identifier.split(".", 1)[0]
         unknown_module = module_name not in self._modules_collection