diff --git a/gradle.properties b/gradle.properties
index e3da301..e315bba 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,15 +1,15 @@
 # sytleguide
 kotlin.code.style=official
 
-# Kotlin 1.4.30-RC: https://github.com/korlibs/easy-kotlin-mpp-gradle-plugin
-easyPluginVersion=0.12.5
+# Kotlin 1.4.30: https://github.com/korlibs/easy-kotlin-mpp-gradle-plugin
+easyPluginVersion=0.13.0
 
 # version
 group=com.soywiz.korlibs.korma
 version=2.0.0-SNAPSHOT
 
 # korlibs
-kdsVersion=2.0.5
+kdsVersion=2.0.6
 
 # bintray location
 project.bintray.org=korlibs
diff --git a/korma-shape/src/commonMain/kotlin/com.soywiz.korma.triangle/internal/Poly2Tri.kt b/korma-shape/src/commonMain/kotlin/com.soywiz.korma.triangle/internal/Poly2Tri.kt
index 08e6eed..fddfdb3 100644
--- a/korma-shape/src/commonMain/kotlin/com.soywiz.korma.triangle/internal/Poly2Tri.kt
+++ b/korma-shape/src/commonMain/kotlin/com.soywiz.korma.triangle/internal/Poly2Tri.kt
@@ -42,6 +42,7 @@ entities.
 
 package com.soywiz.korma.triangle.internal
 
+import com.soywiz.kds.*
 import com.soywiz.korma.geom.*
 import com.soywiz.korma.geom.triangle.*
 import kotlin.math.*
@@ -855,7 +856,7 @@ internal data class PolyTriangle internal constructor(
     override var p1: IPoint,
     override var p2: IPoint
 ) : Triangle {
-    val neighbors: ArrayList<PolyTriangle?> = ArrayList<PolyTriangle?>(3).apply { add(null); add(null); add(null) } as ArrayList<PolyTriangle?> // Neighbor list
+    val neighbors: FastArrayList<PolyTriangle?> = FastArrayList<PolyTriangle?>(3).apply { add(null); add(null); add(null) } // Neighbor list
     var interior: Boolean = false // Has this triangle been marked as an interior triangle?
     val constrained_edge = BooleanArray(3) // Flags to determine if an edge is a Constrained edge
     val delaunay_edge = BooleanArray(3) // Flags to determine if an edge is a Delauney edge
diff --git a/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/Clipper.kt b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/Clipper.kt
index 76e0975..7e48aa1 100644
--- a/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/Clipper.kt
+++ b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/Clipper.kt
@@ -778,7 +778,7 @@ internal class ClipperOffset(private val miterLimit: Double = 2.0, private val a
 
     private fun doRound(j: Int, k: Int) {
         val a = atan2(inA, normals[k].x * normals[j].x + normals[k].y * normals[j].y)
-        val steps = kotlin.math.max(round(stepsPerRad * abs(a)).toInt(), 1)
+        val steps = max2(round(stepsPerRad * abs(a)).toInt(), 1)
 
         var x = normals[k].x
         var y = normals[k].y
@@ -2826,19 +2826,19 @@ internal class DefaultClipper(initOptions: Int = 0) : ClipperBase(Clipper.PRESER
         ): Boolean {
             if (a1 < a2) {
                 if (b1 < b2) {
-                    Left[0] = kotlin.math.max(a1, b1)
-                    Right[0] = kotlin.math.min(a2, b2)
+                    Left[0] = max2(a1, b1)
+                    Right[0] = min2(a2, b2)
                 } else {
-                    Left[0] = kotlin.math.max(a1, b2)
-                    Right[0] = kotlin.math.min(a2, b1)
+                    Left[0] = max2(a1, b2)
+                    Right[0] = min2(a2, b1)
                 }
             } else {
                 if (b1 < b2) {
-                    Left[0] = kotlin.math.max(a2, b1)
-                    Right[0] = kotlin.math.min(a1, b2)
+                    Left[0] = max2(a2, b1)
+                    Right[0] = min2(a1, b2)
                 } else {
-                    Left[0] = kotlin.math.max(a2, b2)
-                    Right[0] = kotlin.math.min(a1, b1)
+                    Left[0] = max2(a2, b2)
+                    Right[0] = min2(a1, b1)
                 }
             }
             return Left[0] < Right[0]
diff --git a/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/ClipperExt.kt b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/ClipperExt.kt
index df7ce4a..dc2bc48 100644
--- a/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/ClipperExt.kt
+++ b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/ClipperExt.kt
@@ -15,10 +15,10 @@ internal fun Path.toShape2d(): Shape2d {
             val bl = this[(n + 3) % 4]
 
             if ((tl.x == bl.x) && (tr.x == br.x) && (tl.y == tr.y) && (bl.y == br.y)) {
-                val xmin = kotlin.math.min(tl.x, tr.x)
-                val xmax = kotlin.math.max(tl.x, tr.x)
-                val ymin = kotlin.math.min(tl.y, bl.y)
-                val ymax = kotlin.math.max(tl.y, bl.y)
+                val xmin = min2(tl.x, tr.x)
+                val xmax = max2(tl.x, tr.x)
+                val ymin = min2(tl.y, bl.y)
+                val ymax = max2(tl.y, bl.y)
                 //println("($xmin,$ymin)-($xmax-$ymax) : $tl,$tr,$br,$bl")
                 return Shape2d.Rectangle(xmin, ymin, xmax - xmin, ymax - ymin)
             }
diff --git a/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/internal.kt b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/internal.kt
new file mode 100644
index 0000000..29ced53
--- /dev/null
+++ b/korma-shape/src/commonMain/kotlin/com/soywiz/korma/geom/shape/ops/internal/internal.kt
@@ -0,0 +1,10 @@
+package com.soywiz.korma.geom.shape.ops.internal
+
+@PublishedApi internal fun min2(a: Int, b: Int) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Int, b: Int) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Float, b: Float) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Float, b: Float) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Double, b: Double) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Double, b: Double) = if (a > b) a else b
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Rectangle.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Rectangle.kt
index 562e02a..6419ea0 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Rectangle.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Rectangle.kt
@@ -106,8 +106,8 @@ data class Rectangle(
     infix fun intersection(that: Rectangle) = intersection(that, Rectangle())
 
     fun intersection(that: Rectangle, target: Rectangle = Rectangle()) = if (this intersects that) target.setBounds(
-        kotlin.math.max(this.left, that.left), kotlin.math.max(this.top, that.top),
-        kotlin.math.min(this.right, that.right), kotlin.math.min(this.bottom, that.bottom)
+        max2(this.left, that.left), max2(this.top, that.top),
+        min2(this.right, that.right), min2(this.bottom, that.bottom)
     ) else null
 
     fun displaced(dx: Double, dy: Double) = Rectangle(this.x + dx, this.y + dy, width, height)
@@ -327,10 +327,10 @@ fun Iterable<IRectangle>.bounds(target: Rectangle = Rectangle()): Rectangle {
             bottom = r.bottom
             first = false
         } else {
-            left = kotlin.math.min(left, r.left)
-            right = kotlin.math.max(right, r.right)
-            top = kotlin.math.min(top, r.top)
-            bottom = kotlin.math.max(bottom, r.bottom)
+            left = min2(left, r.left)
+            right = max2(right, r.right)
+            top = min2(top, r.top)
+            bottom = max2(bottom, r.bottom)
         }
     }
     return target.setBounds(left, top, right, bottom)
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/ScaleMode.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/ScaleMode.kt
index b8f7cbd..4fe6077 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/ScaleMode.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/ScaleMode.kt
@@ -1,5 +1,7 @@
 package com.soywiz.korma.geom
 
+import com.soywiz.korma.internal.*
+import com.soywiz.korma.internal.max2
 import kotlin.native.concurrent.ThreadLocal
 
 class ScaleMode(
@@ -27,14 +29,14 @@ class ScaleMode(
         val COVER = ScaleMode { c, iw, ih, cw, ch ->
             val s0 = cw / iw
             val s1 = ch / ih
-            val s = kotlin.math.max(s0, s1)
+            val s = max2(s0, s1)
             if (c == 0) iw * s else ih * s
         }
 
         val SHOW_ALL = ScaleMode { c, iw, ih, cw, ch ->
             val s0 = cw / iw
             val s1 = ch / ih
-            val s = kotlin.math.min(s0, s1)
+            val s = min2(s0, s1)
             if (c == 0) iw * s else ih * s
         }
 
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Size.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Size.kt
index 9c1f56f..06e3701 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Size.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/Size.kt
@@ -9,8 +9,8 @@ interface ISize {
 
     val area: Double get() = width * height
     val perimeter: Double get() = width * 2 + height * 2
-    val min: Double get() = kotlin.math.min(width, height)
-    val max: Double get() = kotlin.math.max(width, height)
+    val min: Double get() = min2(width, height)
+    val max: Double get() = max2(width, height)
 
     companion object {
         operator fun invoke(width: Double, height: Double): ISize = Size(Point(width, height))
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/binpack/BinPacker.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/binpack/BinPacker.kt
index 82ec854..25525b8 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/binpack/BinPacker.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/binpack/BinPacker.kt
@@ -9,8 +9,8 @@ class BinPacker(val width: Double, val height: Double, val algo: Algo = MaxRects
 
     class Result<T>(val maxWidth: Double, val maxHeight: Double, val items: List<Pair<T, Rectangle?>>) {
         private val rectanglesNotNull = items.map { it.second }.filterNotNull()
-        val width: Double = rectanglesNotNull.map { it.right }.max() ?: 0.0
-        val height: Double = rectanglesNotNull.map { it.bottom }.max() ?: 0.0
+        val width: Double = rectanglesNotNull.map { it.right }.maxOrNull() ?: 0.0
+        val height: Double = rectanglesNotNull.map { it.bottom }.maxOrNull() ?: 0.0
         val rects: List<Rectangle?> get() = items.map { it.second }
         val rectsStr: String get() = rects.toString()
     }
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/shape/Shape2d.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/shape/Shape2d.kt
index 0387145..4fb803c 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/shape/Shape2d.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/shape/Shape2d.kt
@@ -178,7 +178,7 @@ inline fun approximateCurve(
     crossinline compute: (ratio: Double, get: (x: Double, y: Double) -> Unit) -> Unit,
     crossinline emit: (x: Double, y: Double) -> Unit
 ) {
-    val rcurveSteps = max(curveSteps, 20)
+    val rcurveSteps = max2(curveSteps, 20)
     val dt = 1.0 / rcurveSteps
     var lastX = 0.0
     var lastY = 0.0
@@ -218,10 +218,10 @@ fun IPointArrayList.toRectangleOrNull(): Shape2d.Rectangle? {
     val ys = setOf(getY(0), getY(1), getY(2), getY(3))
     if (xs.size != 2 || ys.size != 2) return null
     //get coordinates
-    val left = xs.min() ?: return null
-    val right = xs.max() ?: return null
-    val top = ys.max() ?: return null
-    val bottom = ys.min() ?: return null
+    val left = xs.minOrNull() ?: return null
+    val right = xs.maxOrNull() ?: return null
+    val top = ys.maxOrNull() ?: return null
+    val bottom = ys.minOrNull() ?: return null
     return Shape2d.Rectangle(Rectangle.fromBounds(top, left, right, bottom))
 }
 
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/Edge.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/Edge.kt
index 233f08a..9521be0 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/Edge.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/Edge.kt
@@ -98,17 +98,17 @@ class Edge {
     }
 
     fun setToHalf(a: Edge, b: Edge): Edge = this.apply {
-        val minY = min(a.minY, b.minY)
-        val maxY = min(a.maxY, b.maxY)
+        val minY = min2(a.minY, b.minY)
+        val maxY = min2(a.maxY, b.maxY)
         val minX = (a.intersectX(minY) + b.intersectX(minY)) / 2
         val maxX = (a.intersectX(maxY) + b.intersectX(maxY)) / 2
         setTo(minX, minY, maxX, maxY, +1)
     }
 
-    val minX get() = min(ax, bx)
-    val maxX get() = max(ax, bx)
-    val minY get() = min(ay, by)
-    val maxY get() = max(ay, by)
+    val minX get() = min2(ax, bx)
+    val maxX get() = max2(ax, bx)
+    val minY get() = min2(ay, by)
+    val maxY get() = max2(ay, by)
 
     @Suppress("ConvertTwoComparisonsToRangeCheck")
     //fun containsY(y: Int): Boolean = if (ay == by) y == ay else if (wind >= 0) y >= ay && y < by else y > ay && y <= by
@@ -206,10 +206,10 @@ internal class LineSegment(ax: Double, ay: Double, bx: Double, by: Double) {
 }
 
 internal data class Line(val ax: Double, val ay: Double, val bx: Double, val by: Double) {
-    val minX get() = min(ax, bx)
-    val maxX get() = max(ax, bx)
-    val minY get() = min(ay, by)
-    val maxY get() = max(ay, by)
+    val minX get() = min2(ax, bx)
+    val maxX get() = max2(ax, bx)
+    val minY get() = min2(ay, by)
+    val maxY get() = max2(ay, by)
 
     val isCoplanarX get() = ay == by
     val isCoplanarY get() = ax == bx
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/VectorBuilder.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/VectorBuilder.kt
index 60554c9..103abce 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/VectorBuilder.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/geom/vector/VectorBuilder.kt
@@ -3,6 +3,8 @@ package com.soywiz.korma.geom.vector
 import com.soywiz.korma.annotations.KorDslMarker
 import com.soywiz.korma.geom.*
 import com.soywiz.korma.geom.bezier.*
+import com.soywiz.korma.internal.*
+import com.soywiz.korma.internal.min2
 import kotlin.math.*
 
 @KorDslMarker
@@ -96,7 +98,7 @@ fun VectorBuilder.arc(x: Double, y: Double, r: Double, start: Angle, end: Angle)
 
     val startAngle = start.radians % PI_TWO
     val endAngle = end.radians % PI_TWO
-    var remainingAngle = kotlin.math.min(PI_TWO, abs(endAngle - startAngle))
+    var remainingAngle = min2(PI_TWO, abs(endAngle - startAngle))
     if (remainingAngle == 0.0 && start != end) remainingAngle = PI_TWO
     val sgn = if (startAngle < endAngle) +1 else -1
     var a1 = startAngle
@@ -106,7 +108,7 @@ fun VectorBuilder.arc(x: Double, y: Double, r: Double, start: Angle, end: Angle)
     val p4 = Point()
     var index = 0
     while (remainingAngle > EPSILON) {
-        val a2 = a1 + sgn * kotlin.math.min(remainingAngle, PI_OVER_TWO)
+        val a2 = a1 + sgn * min2(remainingAngle, PI_OVER_TWO)
 
         val k = 0.5522847498
         val a = (a2 - a1) / 2.0
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/internal/Internal.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/internal/Internal.kt
index 7633bfe..352d759 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/internal/Internal.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/internal/Internal.kt
@@ -16,3 +16,12 @@ internal infix fun Double.umod(other: Double): Double {
 
 @PublishedApi
 internal fun floorCeil(v: Double): Double = if (v < 0.0) ceil(v) else floor(v)
+
+@PublishedApi internal fun min2(a: Int, b: Int) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Int, b: Int) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Float, b: Float) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Float, b: Float) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Double, b: Double) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Double, b: Double) = if (a > b) a else b
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/math/ArrayExt.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/math/ArrayExt.kt
index 30267d8..538841d 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/math/ArrayExt.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/math/ArrayExt.kt
@@ -1,15 +1,18 @@
 package com.soywiz.korma.math
 
+import com.soywiz.korma.internal.*
+import com.soywiz.korma.internal.max2
+
 fun DoubleArray.minOrElse(nil: Double): Double {
     if (isEmpty()) return nil
     var out = Double.POSITIVE_INFINITY
-    for (i in 0..lastIndex) out = kotlin.math.min(out, this[i])
+    for (i in 0..lastIndex) out = min2(out, this[i])
     return out
 }
 
 fun DoubleArray.maxOrElse(nil: Double): Double {
     if (isEmpty()) return nil
     var out = Double.NEGATIVE_INFINITY
-    for (i in 0..lastIndex) out = kotlin.math.max(out, this[i])
+    for (i in 0..lastIndex) out = max2(out, this[i])
     return out
 }
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/random/RandomExt.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/random/RandomExt.kt
index e14bb68..d118d01 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/random/RandomExt.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/random/RandomExt.kt
@@ -50,7 +50,7 @@ data class RandomWeights<T>(val weightsMap: Map<T, Double>) {
 
     companion object {
         private fun normalizeWeights(weights: List<Double>): List<Double> {
-            val min = weights.min() ?: 0.0
+            val min = weights.minOrNull() ?: 0.0
             return weights.map { (it + min) + 1 }
         }
     }
diff --git a/korma/src/commonMain/kotlin/com/soywiz/korma/segment/IntSegmentSet.kt b/korma/src/commonMain/kotlin/com/soywiz/korma/segment/IntSegmentSet.kt
index 69c1e7a..19899be 100644
--- a/korma/src/commonMain/kotlin/com/soywiz/korma/segment/IntSegmentSet.kt
+++ b/korma/src/commonMain/kotlin/com/soywiz/korma/segment/IntSegmentSet.kt
@@ -2,6 +2,8 @@ package com.soywiz.korma.segment
 
 import com.soywiz.kds.*
 import com.soywiz.korma.annotations.*
+import com.soywiz.korma.internal.*
+import com.soywiz.korma.internal.max2
 
 /**
  * Non-overlapping SegmentSet
@@ -90,8 +92,8 @@ class IntSegmentSet {
                 fastForEachInterestingRange(min, max) { n, x1, x2 ->
                     if (intersects(x1, x2, min, max)) {
                         if (removeStart == -1) removeStart = n
-                        this.min[removeStart] = kotlin.math.min(this.min.getAt(removeStart), kotlin.math.min(x1, min))
-                        this.max[removeStart] = kotlin.math.max(this.max.getAt(removeStart), kotlin.math.max(x2, max))
+                        this.min[removeStart] = min2(this.min.getAt(removeStart), min2(x1, min))
+                        this.max[removeStart] = max2(this.max.getAt(removeStart), max2(x2, max))
                         removeCount++
                     }
                 }
@@ -140,7 +142,7 @@ class IntSegmentSet {
         var count = 0
         fastForEachInterestingRange(min, max) { n, x1, x2 ->
             if (intersects(x1, x2, min, max)) {
-                out(kotlin.math.max(x1, min), kotlin.math.min(x2, max))
+                out(max2(x1, min), min2(x2, max))
                 count++
             }
         }
@@ -162,7 +164,7 @@ class IntSegmentSet {
         var count = 0
         fastForEach { n, x1, x2 ->
             if (intersects(x1, x2, min, max)) {
-                out(kotlin.math.max(x1, min), kotlin.math.min(x2, max))
+                out(max2(x1, min), min2(x2, max))
                 count++
             }
         }
@@ -207,7 +209,7 @@ class IntSegmentSet {
 // @TODO: In KDS latest versions
 @PublishedApi
 internal inline fun genericBinarySearchLeft(fromIndex: Int, toIndex: Int, check: (value: Int) -> Int): Int =
-    genericBinarySearch(fromIndex, toIndex, invalid = { from, to, low, high -> kotlin.math.min(low, high).coerceIn(from, to - 1) }, check = check)
+    genericBinarySearch(fromIndex, toIndex, invalid = { from, to, low, high -> min2(low, high).coerceIn(from, to - 1) }, check = check)
 @PublishedApi
 internal inline fun genericBinarySearchRight(fromIndex: Int, toIndex: Int, check: (value: Int) -> Int): Int =
-    genericBinarySearch(fromIndex, toIndex, invalid = { from, to, low, high -> kotlin.math.max(low, high).coerceIn(from, to - 1) }, check = check)
+    genericBinarySearch(fromIndex, toIndex, invalid = { from, to, low, high -> max2(low, high).coerceIn(from, to - 1) }, check = check)