diff --git a/NEWS.md b/NEWS.md
index abe27afd..7f2c9748 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -79,6 +79,10 @@ The [Cycle](doc/plugin/Cycle.md) plugin has much better support for cycling thro
 
 There are situations where one would like to disable sending a report after each and every step of a macro, and rather have direct control over when reports are sent. The new `WITH_EXPLICIT_REPORT`, `WITH_IMPLICIT_REPORT` and `SEND_REPORT` steps help with that. Please see the [Macros](doc/plugin/Macros.md) documentation for more information.
 
+### Events now trigger on layer changes
+
+Changing layers now triggers the `onLayerChange` event - but only if there was real change (thus, calling `Layer.on(SOME_LAYER)` multiple times in a row will only trigger one event). This event was introduced to help plugins that depend on layer state schedule their work better.
+
 ## New hardware support
 
 Kaleidoscope has been ported to the following devices:
diff --git a/src/kaleidoscope/event_handlers.h b/src/kaleidoscope/event_handlers.h
index 45c9feac..39f12a81 100644
--- a/src/kaleidoscope/event_handlers.h
+++ b/src/kaleidoscope/event_handlers.h
@@ -71,6 +71,12 @@
                 (const char *command),                                    __NL__ \
                 (command), ##__VA_ARGS__)                                 __NL__ \
                                                                           __NL__ \
+   /* Called when the layer state changes. Which layes changed are    */  __NL__ \
+   /* not passed as arguments. If one needs that info, they should    */  __NL__ \
+   /* track Layer.getState() themselves.                              */  __NL__ \
+   OPERATION(onLayerChange,                                               __NL__ \
+                _NOT_ABORTABLE,                                           __NL__ \
+                (), (), ##__VA_ARGS__)                                    __NL__ \
    /* Called before reporting our state to the host. This is the       */ __NL__ \
    /* last point in a cycle where a plugin can alter what gets         */ __NL__ \
    /* reported to the host.                                            */ __NL__ \
diff --git a/src/kaleidoscope/hooks.h b/src/kaleidoscope/hooks.h
index d83bb293..9fd57ead 100644
--- a/src/kaleidoscope/hooks.h
+++ b/src/kaleidoscope/hooks.h
@@ -32,6 +32,9 @@ extern void handleKeyswitchEvent(kaleidoscope::Key mappedKey, byte row, byte col
 
 namespace kaleidoscope {
 
+// Forward declaration to enable friend declarations.
+class Layer_;
+
 // The reason why the hook routing entry point functions live within
 // class Hooks and not directly within a namespace is, that we want
 // to restrict who is allowed to trigger hooks, mainly to prevent
@@ -49,6 +52,7 @@ class Hooks {
   // Kaleidoscope_ calls Hooks::onSetup, Hooks::beforeReportingState
   // and Hooks::afterEachCycle.
   friend class Kaleidoscope_;
+  friend class ::kaleidoscope::Layer_;
 
   // ::handleKeyswitchEvent(...) calls Hooks::onKeyswitchEvent.
   friend void ::handleKeyswitchEvent(kaleidoscope::Key mappedKey,
diff --git a/src/kaleidoscope/layers.cpp b/src/kaleidoscope/layers.cpp
index 72e4a7e3..2c6fd0b5 100644
--- a/src/kaleidoscope/layers.cpp
+++ b/src/kaleidoscope/layers.cpp
@@ -168,6 +168,8 @@ void Layer_::on(uint8_t layer) {
   // Update the keymap cache (but not liveCompositeKeymap; that gets
   // updated separately, when keys toggle on or off. See layers.h)
   updateActiveLayers();
+
+  kaleidoscope::Hooks::onLayerChange();
 }
 
 // Deactivate a given layer
@@ -187,6 +189,8 @@ void Layer_::off(uint8_t layer) {
   // Update the keymap cache (but not liveCompositeKeymap; that gets
   // updated separately, when keys toggle on or off. See layers.h)
   updateActiveLayers();
+
+  kaleidoscope::Hooks::onLayerChange();
 }
 
 boolean Layer_::isOn(uint8_t layer) {