diff --git a/src/main/kotlin/imgui/enums.kt b/src/main/kotlin/imgui/enums.kt
index f66790875..716f4a3c1 100644
--- a/src/main/kotlin/imgui/enums.kt
+++ b/src/main/kotlin/imgui/enums.kt
@@ -353,9 +353,9 @@ enum class Key { Tab, LeftArrow, RightArrow, UpArrow, DownArrow, PageUp, PageDow
  *  Read instructions in imgui.cpp for more details.    */
 enum class NavInput {
     // Gamepad Mapping
-    /** activate / open / toggle / tweak value       // e.g. Circle (PS4), A (Xbox), B (Switch), Space (Keyboard)   */
+    /** activate / open / toggle / tweak value       // e.g. Cross (PS4), A (Xbox), B (Switch), Space (Keyboard)   */
     Activate,
-    /** cancel / close / exit                        // e.g. Cross  (PS4), B (Xbox), A (Switch), Escape (Keyboard)  */
+    /** cancel / close / exit                        // e.g. Circle (PS4), B (Xbox), A (Switch), Escape (Keyboard)  */
     Cancel,
     /** text input / on-screen keyboard              // e.g. Triang.(PS4), Y (Xbox), X (Switch), Return (Keyboard)  */
     Input,
diff --git a/src/main/kotlin/imgui/font.kt b/src/main/kotlin/imgui/font.kt
index 99192a2d2..4b38c12b1 100644
--- a/src/main/kotlin/imgui/font.kt
+++ b/src/main/kotlin/imgui/font.kt
@@ -512,6 +512,7 @@ class FontAtlas {
 
         if (flags has FontAtlasFlag.NoMouseCursors) return false
 
+        assert(customRectIds[0] != -1)
         val r = customRects[customRectIds[0]]
         assert(r.id == DefaultTexData.id)
         val pos = DefaultTexData.cursorDatas[cursor.i][0] + Vec2(r.x, r.y)
diff --git a/src/main/kotlin/imgui/imgui.kt b/src/main/kotlin/imgui/imgui.kt
index 7b25fcb94..ba43e260c 100644
--- a/src/main/kotlin/imgui/imgui.kt
+++ b/src/main/kotlin/imgui/imgui.kt
@@ -74,8 +74,8 @@ object ImGui :
 
         imgui_internal {
 
-    val beta = 3
-    val version = "1.60.0$beta WIP"
+    val beta = 4
+    val version = "1.60.0$beta"
 }
 
 var ptrIndices = 0
diff --git a/src/main/kotlin/imgui/imgui/internal.kt b/src/main/kotlin/imgui/imgui/internal.kt
index be07ab38d..6594fad40 100644
--- a/src/main/kotlin/imgui/imgui/internal.kt
+++ b/src/main/kotlin/imgui/imgui/internal.kt
@@ -1369,26 +1369,6 @@ interface imgui_internal {
         return pressed
     }
 
-    /** [Internal]
-     *  @param flags: ButtonFlag */
-    fun arrowButton(id: ID, dir: Dir, padding: Vec2, flags: Int = 0): Boolean {
-        val window = g.currentWindow!!
-        if (window.skipItems) return false
-
-        val bb = Rect(window.dc.cursorPos, window.dc.cursorPos + g.fontSize + padding * 2f)
-        itemSize(bb, style.framePadding.y)
-        if (!itemAdd(bb, id)) return false
-
-        val (pressed, hovered, held) = buttonBehavior(bb, id, flags)
-
-        val col = (if (hovered && held) Col.ButtonActive else if (hovered) Col.ButtonHovered else Col.Button).u32
-        renderNavHighlight(bb, id)
-        renderFrame(bb.min, bb.max, col, true, style.frameRounding)
-        renderArrow(bb.min + padding, dir, 1f)
-        return pressed
-    }
-
-
     fun sliderBehavior(frameBb: Rect, id: ID, v: FloatArray, vMin: Float, vMax: Float, power: Float, decimalPrecision: Int,
                        flags: SliderFlags = 0) = sliderBehavior(frameBb, id, v, 0, vMin, vMax, power, decimalPrecision, flags)
 
diff --git a/src/main/kotlin/imgui/imgui/main.kt b/src/main/kotlin/imgui/imgui/main.kt
index 63416d1ba..fb882b2c3 100644
--- a/src/main/kotlin/imgui/imgui/main.kt
+++ b/src/main/kotlin/imgui/imgui/main.kt
@@ -148,9 +148,8 @@ interface imgui_main {
         newFrameUpdateMovingWindow()
         newFrameUpdateHoveredWindowAndCaptureFlags()
 
-        val modalWindow = frontMostModalRootWindow
-        g.modalWindowDarkeningRatio = when {
-            modalWindow == null -> 0f
+        g.modalWindowDarkeningRatio = when (frontMostModalRootWindow) {
+            null -> 0f
             else -> min(g.modalWindowDarkeningRatio + io.deltaTime * 6f, 1f)
         }
         g.mouseCursor = MouseCursor.Arrow