diff --git a/platform/configuration-store-impl/intellij.platform.configurationStore.impl.iml b/platform/configuration-store-impl/intellij.platform.configurationStore.impl.iml
index dff8522ccef4..dcd0f841392f 100644
--- a/platform/configuration-store-impl/intellij.platform.configurationStore.impl.iml
+++ b/platform/configuration-store-impl/intellij.platform.configurationStore.impl.iml
@@ -20,5 +20,6 @@
     <orderEntry type="module" module-name="intellij.platform.testExtensions" scope="TEST" />
     <orderEntry type="module" module-name="intellij.platform.testFramework" scope="TEST" />
     <orderEntry type="library" name="XStream" level="project" />
+    <orderEntry type="library" name="lz4-java" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/platform/configuration-store-impl/src/StateMap.kt b/platform/configuration-store-impl/src/StateMap.kt
index 64ee82d9ad5d..93fbbde43d20 100644
--- a/platform/configuration-store-impl/src/StateMap.kt
+++ b/platform/configuration-store-impl/src/StateMap.kt
@@ -9,8 +9,8 @@ import com.intellij.util.ArrayUtil
 import com.intellij.util.SystemProperties
 import com.intellij.util.isEmpty
 import gnu.trove.THashMap
-import org.iq80.snappy.SnappyFramedInputStream
-import org.iq80.snappy.SnappyFramedOutputStream
+import net.jpountz.lz4.LZ4BlockInputStream
+import net.jpountz.lz4.LZ4BlockOutputStream
 import org.jdom.Element
 import java.io.ByteArrayInputStream
 import java.util.*
@@ -18,13 +18,13 @@ import java.util.concurrent.atomic.AtomicReferenceArray
 
 fun archiveState(state: Element): BufferExposingByteArrayOutputStream {
   val byteOut = BufferExposingByteArrayOutputStream()
-  SnappyFramedOutputStream(byteOut).use {
+  LZ4BlockOutputStream(byteOut).use {
     serializeElementToBinary(state, it)
   }
   return byteOut
 }
 
-private fun unarchiveState(state: ByteArray) = SnappyFramedInputStream(ByteArrayInputStream(state), false).use { deserializeElementFromBinary(it) }
+private fun unarchiveState(state: ByteArray) = LZ4BlockInputStream(ByteArrayInputStream(state)).use { deserializeElementFromBinary(it) }
 
 fun getNewByteIfDiffers(key: String, newState: Any, oldState: ByteArray): ByteArray? {
   val newBytes: ByteArray
diff --git a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.kt b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.kt
index 0daf8d806268..a420da42879b 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.kt
+++ b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.kt
@@ -924,14 +924,20 @@ open class RunManagerImpl(internal val project: Project) : RunManagerEx(), Persi
     }
     else {
       val templateConfiguration = getConfigurationTemplate(configuration.factory).configuration
-      val templateTasks = if (templateConfiguration === configuration) {
+      val isTemplate = templateConfiguration === configuration
+      val templateTasks = if (isTemplate) {
         getHardcodedBeforeRunTasks(configuration)
       }
       else {
         getTemplateBeforeRunTasks(templateConfiguration)
       }
 
-      if (templateConfiguration === configuration) {
+      if (isTemplate) {
+        if (tasks == templateTasks) {
+          // nothing is changed
+          return
+        }
+
         // we must update all existing configuration tasks to ensure that effective tasks (own + template) are the same as before template configuration change
         // see testTemplates test
         lock.read {
diff --git a/platform/util/src/com/intellij/openapi/util/DeprecatedDuplicatesIconPathPatcher.java b/platform/util/src/com/intellij/openapi/util/DeprecatedDuplicatesIconPathPatcher.java
index 27951508ece1..cbee05be539f 100644
--- a/platform/util/src/com/intellij/openapi/util/DeprecatedDuplicatesIconPathPatcher.java
+++ b/platform/util/src/com/intellij/openapi/util/DeprecatedDuplicatesIconPathPatcher.java
@@ -59,4 +59,10 @@ public class DeprecatedDuplicatesIconPathPatcher extends IconPathPatcher {
   public String patchPath(String path) {
     return ourDeprecatedIconsReplacements.get(path);
   }
+
+  @Nullable
+  @Override
+  public Class getContextClass(String path) {
+    return DeprecatedDuplicatesIconPathPatcher.class;
+  }
 }
diff --git a/platform/util/src/com/intellij/openapi/util/registry/RegistryValue.java b/platform/util/src/com/intellij/openapi/util/registry/RegistryValue.java
index 69b6c93abbf8..930a68ff4f2e 100644
--- a/platform/util/src/com/intellij/openapi/util/registry/RegistryValue.java
+++ b/platform/util/src/com/intellij/openapi/util/registry/RegistryValue.java
@@ -267,6 +267,7 @@ public class RegistryValue {
   void resetCache() {
     myStringCachedValue = null;
     myIntCachedValue = null;
+    myDoubleCachedValue = null;
     myBooleanCachedValue = null;
   }