Using BB canary 10, I noticed that when I open the new project wizard and scroll around the graphics performance is very sluggish. I checked the process monitor and nothing else is running. I grabbed a thread dump and it shows a lot of busy painting -- thread dump below.
Build: AI-211.7628.21.2111.7667256, 202108231940,
AI-211.7628.21.2111.7667256, JRE 11.0.11+0-b60-7590822x64 JetBrains s.r.o., OS Mac OS X(x86_64) v11.5.1, screens 3840.0x2160.0; Retina
AS: Bumblebee | 2021.1.1 Canary 10; Kotlin plugin: 211-1.5.20-release-284-AS7442.40; Android Gradle Plugin: (plugin information not found); Gradle: 7.2; Gradle JDK: version 11.0.11; NDK: from local.properties: (not specified), latest from SDK: (not found); LLDB: pinned revision 3.1 not found, latest from SDK: (package not found); CMake: from local.properties: (not specified), latest from SDK: 3.18.1-g262b901, from PATH: (not found)
IMPORTANT: Please read https://developer.android.com/studio/report-bugs.html carefully and supply all required information.
"AWT-EventQueue-0" #26 prio=6 os_prio=31 cpu=36109.00ms elapsed=90.96s tid=0x00007f9f39876000 nid=0x10803 runnable  [0x0000700009dc2000]
   java.lang.Thread.State: RUNNABLE
	at sun.java2d.loops.TransformHelper.Transform(java.desktop@11.0.11/Native Method)
	at sun.java2d.pipe.DrawImage.renderImageXform(java.desktop@11.0.11/DrawImage.java:499)
	at sun.java2d.pipe.DrawImage.transformImage(java.desktop@11.0.11/DrawImage.java:264)
	at sun.java2d.pipe.DrawImage.scaleImage(java.desktop@11.0.11/DrawImage.java:124)
	at sun.java2d.pipe.DrawImage.scaleImage(java.desktop@11.0.11/DrawImage.java:1063)
	at sun.java2d.pipe.ValidatePipe.scaleImage(java.desktop@11.0.11/ValidatePipe.java:207)
	at sun.java2d.SunGraphics2D.drawImage(java.desktop@11.0.11/SunGraphics2D.java:3386)
	at sun.java2d.SunGraphics2D.drawImage(java.desktop@11.0.11/SunGraphics2D.java:3324)
	at org.imgscalr.Scalr.scaleImage(Scalr.java:2140)
	at org.imgscalr.Scalr.resize(Scalr.java:1694)
	at com.intellij.util.ImageLoader.scaleImage(ImageLoader.java:494)
	at com.intellij.util.ImageLoader.convertImage(ImageLoader.java:381)
	at com.intellij.util.ImageLoader.loadImage(ImageLoader.java:159)
	at com.intellij.openapi.util.IconLoader$ImageDataResolverImpl.loadImage(IconLoader.java:1173)
	at com.intellij.openapi.util.IconLoader$CachedImageIcon.loadImage(IconLoader.java:936)
	at com.intellij.openapi.util.IconLoader$ScaledIconCache.getOrScaleIcon(IconLoader.java:1005)
	at com.intellij.openapi.util.IconLoader$CachedImageIcon.getRealIcon(IconLoader.java:824)
	- locked <0x00000007d73509c0> (a java.lang.Object)
	at com.intellij.openapi.util.IconLoader$CachedImageIcon.paintIcon(IconLoader.java:746)
	at com.android.tools.idea.npw.ui.TemplateIcon.paintIcon(TemplateIcon.kt:49)
	at com.intellij.util.IconUtil.paintScaled(IconUtil.java:536)
	at com.intellij.util.IconUtil$3.paintIcon(IconUtil.java:509)
	at javax.swing.plaf.basic.BasicLabelUI.paint(java.desktop@11.0.11/BasicLabelUI.java:185)
	at javax.swing.plaf.ComponentUI.update(java.desktop@11.0.11/ComponentUI.java:161)
	at javax.swing.JComponent.paintComponent(java.desktop@11.0.11/JComponent.java:800)
	at javax.swing.JComponent.paint(java.desktop@11.0.11/JComponent.java:1077)
	at javax.swing.JComponent.paintChildren(java.desktop@11.0.11/JComponent.java:910)
	- locked <0x00000007b38001a8> (a java.awt.Component$AWTTreeLock)
	at javax.swing.JComponent.paint(java.desktop@11.0.11/JComponent.java:1086)
	at javax.swing.CellRendererPane.paintComponent(java.desktop@11.0.11/CellRendererPane.java:165)
	at javax.swing.plaf.basic.BasicListUI.paintCell(java.desktop@11.0.11/BasicListUI.java:288)
	at com.intellij.ui.components.WideSelectionListUI.paintCell(WideSelectionListUI.java:65)
	at javax.swing.plaf.basic.BasicListUI.paintImpl(java.desktop@11.0.11/BasicListUI.java:378)
	at javax.swing.plaf.basic.BasicListUI.paint(java.desktop@11.0.11/BasicListUI.java:301)
	at com.intellij.ui.components.WideSelectionListUI.paint(WideSelectionListUI.java:34)
	at javax.swing.plaf.ComponentUI.update(java.desktop@11.0.11/ComponentUI.java:161)
	at javax.swing.JComponent.paintComponent(java.desktop@11.0.11/JComponent.java:800)
	at com.intellij.ui.components.JBList.paintComponent(JBList.java:174)
	at javax.swing.JComponent.paint(java.desktop@11.0.11/JComponent.java:1077)
	at com.intellij.ui.components.JBList.paint(JBList.java:106)
	at javax.swing.JComponent.paintChildren(java.desktop@11.0.11/JComponent.java:910)
	- locked <0x00000007b38001a8> (a java.awt.Component$AWTTreeLock)
	at javax.swing.JComponent.paint(java.desktop@11.0.11/JComponent.java:1086)
	at javax.swing.JViewport.paint(java.desktop@11.0.11/JViewport.java:737)
	at com.intellij.ui.components.JBViewport.paint(JBViewport.java:237)
	at javax.swing.JComponent.paintChildren(java.desktop@11.0.11/JComponent.java:910)
	- locked <0x00000007b38001a8> (a java.awt.Component$AWTTreeLock)
	at javax.swing.JComponent.paint(java.desktop@11.0.11/JComponent.java:1086)
	at javax.swing.JComponent.paintToOffscreen(java.desktop@11.0.11/JComponent.java:5263)
	at javax.swing.BufferStrategyPaintManager.paint(java.desktop@11.0.11/BufferStrategyPaintManager.java:246)
	at javax.swing.RepaintManager.paint(java.desktop@11.0.11/RepaintManager.java:1333)
	at javax.swing.JComponent._paintImmediately(java.desktop@11.0.11/JComponent.java:5211)
	at javax.swing.JComponent.paintImmediately(java.desktop@11.0.11/JComponent.java:5021)
	at javax.swing.RepaintManager$4.run(java.desktop@11.0.11/RepaintManager.java:868)
	at javax.swing.RepaintManager$4.run(java.desktop@11.0.11/RepaintManager.java:851)
	at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.11/ProtectionDomain.java:85)
	at javax.swing.RepaintManager.paintDirtyRegions(java.desktop@11.0.11/RepaintManager.java:851)
	at javax.swing.RepaintManager.paintDirtyRegions(java.desktop@11.0.11/RepaintManager.java:826)
	at javax.swing.RepaintManager.prePaintDirtyRegions(java.desktop@11.0.11/RepaintManager.java:775)
	at javax.swing.RepaintManager$ProcessingRunnable.run(java.desktop@11.0.11/RepaintManager.java:1901)
	at java.awt.event.InvocationEvent.dispatch(java.desktop@11.0.11/InvocationEvent.java:313)
	at java.awt.EventQueue.dispatchEventImpl(java.desktop@11.0.11/EventQueue.java:776)
	at java.awt.EventQueue$4.run(java.desktop@11.0.11/EventQueue.java:727)
	at java.awt.EventQueue$4.run(java.desktop@11.0.11/EventQueue.java:721)
	at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.11/ProtectionDomain.java:85)
	at java.awt.EventQueue.dispatchEvent(java.desktop@11.0.11/EventQueue.java:746)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:969)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:839)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:449)
	at com.intellij.ide.IdeEventQueue$$Lambda$664/0x0000000800764c40.compute(Unknown Source)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:808)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
	at com.intellij.ide.IdeEventQueue$$Lambda$663/0x0000000800766440.run(Unknown Source)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:492)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@11.0.11/EventDispatchThread.java:203)
	at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@11.0.11/EventDispatchThread.java:124)
	at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@11.0.11/EventDispatchThread.java:117)
	at java.awt.WaitDispatchSupport$2.run(java.desktop@11.0.11/WaitDispatchSupport.java:190)
	at java.awt.WaitDispatchSupport$4.run(java.desktop@11.0.11/WaitDispatchSupport.java:235)
	at java.awt.WaitDispatchSupport$4.run(java.desktop@11.0.11/WaitDispatchSupport.java:233)
	at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method)
	at java.awt.WaitDispatchSupport.enter(java.desktop@11.0.11/WaitDispatchSupport.java:233)
	at java.awt.Dialog.show(java.desktop@11.0.11/Dialog.java:1063)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:694)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:436)
	at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1702)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1661)
	at com.android.tools.idea.actions.AndroidNewProjectAction.actionPerformed(AndroidNewProjectAction.kt:50)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.lambda$performActionDumbAware$5(ActionUtil.java:273)
	at com.intellij.openapi.actionSystem.ex.ActionUtil$$Lambda$1700/0x0000000801399440.run(Unknown Source)
	at com.intellij.util.SlowOperations.lambda$allowSlowOperations$0(SlowOperations.java:77)
	at com.intellij.util.SlowOperations$$Lambda$1564/0x000000080128a840.compute(Unknown Source)
	at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:64)
	at com.intellij.util.SlowOperations.allowSlowOperations(SlowOperations.java:76)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:273)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks(ActionUtil.java:267)
	at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeScreenActionsUtil.performAnActionForComponent(WelcomeScreenActionsUtil.java:96)
	at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeScreenActionsUtil$ToolbarTextButtonWrapper$1.actionPerformed(WelcomeScreenActionsUtil.java:56)
	at javax.swing.AbstractButton.fireActionPerformed(java.desktop@11.0.11/AbstractButton.java:1967)
	at javax.swing.AbstractButton$Handler.actionPerformed(java.desktop@11.0.11/AbstractButton.java:2308)
	at javax.swing.DefaultButtonModel.fireActionPerformed(java.desktop@11.0.11/DefaultButtonModel.java:405)
	at javax.swing.DefaultButtonModel.setPressed(java.desktop@11.0.11/DefaultButtonModel.java:262)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(java.desktop@11.0.11/BasicButtonListener.java:270)
	at java.awt.Component.processMouseEvent(java.desktop@11.0.11/Component.java:6652)
	at javax.swing.JComponent.processMouseEvent(java.desktop@11.0.11/JComponent.java:3345)
	at java.awt.Component.processEvent(java.desktop@11.0.11/Component.java:6417)
	at java.awt.Container.processEvent(java.desktop@11.0.11/Container.java:2263)
	at java.awt.Component.dispatchEventImpl(java.desktop@11.0.11/Component.java:5027)
	at java.awt.Container.dispatchEventImpl(java.desktop@11.0.11/Container.java:2321)
	at java.awt.Component.dispatchEvent(java.desktop@11.0.11/Component.java:4859)
	at java.awt.LightweightDispatcher.retargetMouseEvent(java.desktop@11.0.11/Container.java:4918)
	at java.awt.LightweightDispatcher.processMouseEvent(java.desktop@11.0.11/Container.java:4547)
	at java.awt.LightweightDispatcher.dispatchEvent(java.desktop@11.0.11/Container.java:4488)
	at java.awt.Container.dispatchEventImpl(java.desktop@11.0.11/Container.java:2307)
	at java.awt.Window.dispatchEventImpl(java.desktop@11.0.11/Window.java:2784)
	at java.awt.Component.dispatchEvent(java.desktop@11.0.11/Component.java:4859)
	at java.awt.EventQueue.dispatchEventImpl(java.desktop@11.0.11/EventQueue.java:778)
	at java.awt.EventQueue$4.run(java.desktop@11.0.11/EventQueue.java:727)
	at java.awt.EventQueue$4.run(java.desktop@11.0.11/EventQueue.java:721)
	at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.11/ProtectionDomain.java:85)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.11/ProtectionDomain.java:95)
	at java.awt.EventQueue$5.run(java.desktop@11.0.11/EventQueue.java:751)
	at java.awt.EventQueue$5.run(java.desktop@11.0.11/EventQueue.java:749)
	at java.security.AccessController.doPrivileged(java.base@11.0.11/Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.11/ProtectionDomain.java:85)
	at java.awt.EventQueue.dispatchEvent(java.desktop@11.0.11/EventQueue.java:748)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:969)
	at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:906)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:836)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:449)
	at com.intellij.ide.IdeEventQueue$$Lambda$664/0x0000000800764c40.compute(Unknown Source)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:808)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:448)
	at com.intellij.ide.IdeEventQueue$$Lambda$663/0x0000000800766440.run(Unknown Source)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:787)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:502)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@11.0.11/EventDispatchThread.java:203)
	at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@11.0.11/EventDispatchThread.java:124)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@11.0.11/EventDispatchThread.java:113)
	at java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.11/EventDispatchThread.java:109)
	at java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.11/EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.run(java.desktop@11.0.11/EventDispatchThread.java:90)