simplistic_editor breaks on Flutter's master channel #1923

Analyzing simplistic_editor...

  error - lib/basic_text_input_client.dart:1062:9 - Undefined class 'CaretChangedHandler'. Try changing the name to the name of an existing class, or creating a class with the name 'CaretChangedHandler'. - undefined_class
  error - lib/basic_text_input_client.dart:1099:7 - The named parameter 'onCaretChanged' isn't defined. Try correcting the name to an existing named parameter's name, or defining a named parameter with the name 'onCaretChanged'. - undefined_named_parameter
  error - lib/basic_text_input_client.dart:1141:9 - The setter 'onCaretChanged' isn't defined for the type 'RenderEditable'. Try importing the library that defines 'onCaretChanged', correcting the name to the name of an existing setter, or defining a setter or field named 'onCaretChanged'. - undefined_setter

3 issues found.