N43: seldom_state

content/news/043/index.md

@@ -450,6 +450,27 @@ until a condition is met.
 [pecs]: https://github.com/jkb0o/pecs
 [ecs]: https://bevyengine.org/learn/book/getting-started/ecs
 
+### [seldom_state]
+
+[seldom_state] is a Bevy plugin that adds a `StateMachine` component that you
+can add to your entities. The state machine will change the entity's components
+based on states, triggers, and transitions that you define. It's useful
+for player controllers, animations, simple AI, etc.
+
+This month [seldom_state] 0.4 has been released:
+
+- Transition builders (`StateMachine::trans_builder`) which let you pass data
+  from triggers to states.
+- The `AnyState` state, which you can use wherever `StateMachine` accepts state
+  type parameters, which lets you create transitions from any state, etc
+- A `leafwing_input` feature for `leafwing-input-manager` integration,
+  which enables 9 built-in triggers related to input. `JustPressedTrigger`,
+  for example.
+- `OptionTrigger` and `BoolTrigger` traits, which are simpler to implement
+  than `Trigger`.
+
+[seldom_state]: https://github.com/Seldom-SE/seldom_state
+
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