Set plugin version to chylex-53

Fixes multiple cursors with vim-surround commands `cs, ds, S` (but not `ys`).

build.gradle.kts

@@ -112,7 +112,7 @@ dependencies {
     testFramework(TestFrameworkType.Platform)
     testFramework(TestFrameworkType.JUnit5)
 
-    plugin("com.intellij.classic.ui", "261.22158.185")
+    plugin("com.intellij.classic.ui", "251.23774.318")
 
     pluginModule(runtimeOnly(project(":modules:ideavim-common")))
     pluginModule(runtimeOnly(project(":modules:ideavim-frontend")))
@@ -303,6 +303,11 @@ tasks {
       }
     })
   }
+
+  buildPlugin {
+    dependsOn(sourcesJar)
+    from(sourcesJar) { into("lib/src") }
+  }
 }
 
 java {
@@ -375,7 +380,13 @@ intellijPlatform {
     )
 
     ideaVersion {
-      sinceBuild.set("253")
+      // Let the Gradle plugin set the since-build version. It defaults to the version of the IDE we're building against
+      // specified as two components, `{branch}.{build}` (e.g., "241.15989"). There is no third component specified.
+      // The until-build version defaults to `{branch}.*`, but we want to support _all_ future versions, so we set it
+      // with a null provider (the provider is important).
+      // By letting the Gradle plugin handle this, the Plugin DevKit IntelliJ plugin cannot help us with the "Usage of
+      // IntelliJ API not available in older IDEs" inspection. However, since our since-build is the version we compile
+      // against, we can never get an API that's newer - it would be an unresolved symbol.
       untilBuild.set(provider { null })
     }
   }

gradle.properties

@@ -16,7 +16,7 @@
 # https://data.services.jetbrains.com/products?code=IU
 # Maven releases are here: https://www.jetbrains.com/intellij-repository/releases
 # And snapshots: https://www.jetbrains.com/intellij-repository/snapshots
-ideaVersion=2026.1
+ideaVersion=2025.3
 # Values for type: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html#intellij-extension-type
 ideaType=IU
 instrumentPluginCode=true

src/main/java/com/maddyhome/idea/vim/ui/OutputPanel.kt

@@ -12,7 +12,6 @@ import com.intellij.ide.ui.LafManagerListener
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.wm.impl.IdeBackgroundUtil
-import com.intellij.openapi.wm.impl.ToolWindowManagerImpl
 import com.intellij.ui.ClientProperty
 import com.intellij.ui.JBColor
 import com.intellij.ui.components.JBPanel
@@ -91,7 +90,6 @@ class OutputPanel private constructor(
 
     // Suppress the fancy frame background used in the Islands theme
     ClientProperty.putRecursive(this, IdeBackgroundUtil.NO_BACKGROUND, true)
-    putClientProperty(ToolWindowManagerImpl.PARENT_COMPONENT, editor.component)
 
     // Initialize panel
     setLayout(BorderLayout(0, 0))

src/main/java/com/maddyhome/idea/vim/ui/ex/ExEntryPanel.kt

@@ -15,7 +15,6 @@ import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.colors.EditorColors
 import com.intellij.openapi.wm.IdeFocusManager
-import com.intellij.openapi.wm.impl.ToolWindowManagerImpl
 import com.intellij.ui.DocumentAdapter
 import com.intellij.util.IJSwingUtilities
 import com.maddyhome.idea.vim.EventFacade
@@ -145,7 +144,6 @@ class ExEntryPanel private constructor() : JPanel(), VimCommandLine {
       glassPane.addComponentListener(resizePanelListener)
       positionPanel()
       glassPane.isVisible = true
-      putClientProperty(ToolWindowManagerImpl.PARENT_COMPONENT, parent)
       entry.requestFocusInWindow()
     }
     this.isActive = true
@@ -193,7 +191,6 @@ class ExEntryPanel private constructor() : JPanel(), VimCommandLine {
           requestFocus(parent!!)
         }
 
-        putClientProperty(ToolWindowManagerImpl.PARENT_COMPONENT, null)
         oldGlass!!.removeComponentListener(resizePanelListener)
         oldGlass!!.isVisible = false
         oldGlass!!.remove(this)