Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/17996#discussion_r117155950
--- Diff: docs/ml-guide.md ---
@@ -72,35 +72,26 @@ MLlib is under active development.
The APIs marked `Experimental`/`DeveloperApi` may change in future
releases,
and the migration guide below will explain all changes between releases.
-## From 2.0 to 2.1
+## From 2.1 to 2.2
### Breaking changes
-
-**Deprecated methods removed**
-* `setLabelCol` in `feature.ChiSqSelectorModel`
-* `numTrees` in `classification.RandomForestClassificationModel` (This now
refers to the Param called `numTrees`)
-* `numTrees` in `regression.RandomForestRegressionModel` (This now refers
to the Param called `numTrees`)
-* `model` in `regression.LinearRegressionSummary`
-* `validateParams` in `PipelineStage`
-* `validateParams` in `Evaluator`
+There are no breaking changes.
### Deprecations and changes of behavior
**Deprecations**
-* [SPARK-18592](https://issues.apache.org/jira/browse/SPARK-18592):
- Deprecate all Param setter methods except for input/output column Params
for `DecisionTreeClassificationModel`, `GBTClassificationModel`,
`RandomForestClassificationModel`, `DecisionTreeRegressionModel`,
`GBTRegressionModel` and `RandomForestRegressionModel`
+There are no deprecations.
**Changes of behavior**
--- End diff --
Should we include #17233 in this section?
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