diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/PegasusPlugin.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/PegasusPlugin.java
index 9e9f2be94b..5a15147c2b 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/PegasusPlugin.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/PegasusPlugin.java
@@ -76,6 +76,7 @@
 import org.gradle.plugins.ide.eclipse.model.EclipseModel;
 import org.gradle.plugins.ide.idea.IdeaPlugin;
 import org.gradle.plugins.ide.idea.model.IdeaModule;
+import org.gradle.util.GradleVersion;
 
 
 /**
@@ -633,6 +634,11 @@ public void setJavadocJarTask(Task javadocJarTask)
   @Override
   public void apply(Project project)
   {
+    if (!isAtLeastGradle54())
+    {
+      throw new GradleException("The pegasus plugin requires Gradle 5.4 or higher; please upgrade.");
+    }
+
     project.getPlugins().apply(JavaPlugin.class);
     project.getPlugins().apply(IdeaPlugin.class);
     project.getPlugins().apply(EclipsePlugin.class);
@@ -1407,6 +1413,7 @@ protected void configureRestModelGeneration(Project project, SourceSet sourceSet
       changedFileReportTask.setIdlFiles(SharedFileUtils.getSuffixedFiles(project, apiIdlDir, IDL_FILE_SUFFIX));
       changedFileReportTask.setSnapshotFiles(SharedFileUtils.getSuffixedFiles(project, apiSnapshotDir,
           SNAPSHOT_FILE_SUFFIX));
+      changedFileReportTask.getOutputFile().set(project.getLayout().getBuildDirectory().file("changedFilesReport.txt"));
       changedFileReportTask.mustRunAfter(publishRestliSnapshotTask, publishRestliIdlTask);
       changedFileReportTask.doLast(new CacheableAction<>(t ->
       {
@@ -2224,4 +2231,8 @@ private Task publishPegasusSchemaSnapshot(Project project, SourceSet sourceSet,
           task.onlyIf(t -> !SharedFileUtils.getSuffixedFiles(project, inputDir, PDL_FILE_SUFFIX).isEmpty());
         });
   }
+  protected static boolean isAtLeastGradle54() {
+    return GradleVersion.current().getBaseVersion().compareTo(GradleVersion.version("5.4")) >= 0;
+  }
+
 }
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/ChangedFileReportTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/ChangedFileReportTask.java
index a7dd65f606..d3c0a55109 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/ChangedFileReportTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/ChangedFileReportTask.java
@@ -5,14 +5,18 @@
 import java.util.HashSet;
 import java.util.Set;
 import java.util.stream.Collectors;
+
+import com.linkedin.pegasus.gradle.IOUtil;
 import org.gradle.api.DefaultTask;
 import org.gradle.api.file.FileCollection;
-import org.gradle.api.specs.Specs;
+import org.gradle.api.file.FileType;
+import org.gradle.api.file.RegularFileProperty;
 import org.gradle.api.tasks.InputFiles;
 import org.gradle.api.tasks.Internal;
+import org.gradle.api.tasks.OutputFile;
 import org.gradle.api.tasks.SkipWhenEmpty;
 import org.gradle.api.tasks.TaskAction;
-import org.gradle.api.tasks.incremental.IncrementalTaskInputs;
+import org.gradle.work.InputChanges;
 
 
 public class ChangedFileReportTask extends DefaultTask
@@ -21,15 +25,10 @@ public class ChangedFileReportTask extends DefaultTask
 
   private FileCollection _idlFiles = getProject().files();
   private FileCollection _snapshotFiles = getProject().files();
-
-  public ChangedFileReportTask()
-  {
-    //with Gradle 6.0, Declaring an incremental task without outputs is not allowed.
-    getOutputs().upToDateWhen(Specs.satisfyNone());
-  }
+  private RegularFileProperty _outputFile = getProject().getObjects().fileProperty();
 
   @TaskAction
-  public void checkFilesForChanges(IncrementalTaskInputs inputs)
+  public void checkFilesForChanges(InputChanges inputs)
   {
     getLogger().lifecycle("Checking idl and snapshot files for changes...");
     getLogger().info("idlFiles: " + _idlFiles.getAsPath());
@@ -41,46 +40,59 @@ public void checkFilesForChanges(IncrementalTaskInputs inputs)
 
     if (inputs.isIncremental())
     {
-      inputs.outOfDate(inputFileDetails -> {
-        if (inputFileDetails.isAdded())
+      inputs.getFileChanges(getSnapshotFiles()).forEach(change -> {
+        if (change.getFileType() != FileType.DIRECTORY)
         {
-          filesAdded.add(inputFileDetails.getFile().getAbsolutePath());
-        }
-
-        if (inputFileDetails.isRemoved())
-        {
-          filesRemoved.add(inputFileDetails.getFile().getAbsolutePath());
-        }
-
-        if (inputFileDetails.isModified())
-        {
-          filesChanged.add(inputFileDetails.getFile().getAbsolutePath());
+          String path = change.getFile().getAbsolutePath();
+          switch (change.getChangeType())
+          {
+            case ADDED:
+              filesAdded.add(path);
+              break;
+            case REMOVED:
+              filesRemoved.add(path);
+              break;
+            case MODIFIED:
+              filesChanged.add(path);
+              break;
+          }
         }
       });
 
-      inputs.removed(inputFileDetails -> filesRemoved.add(inputFileDetails.getFile().getAbsolutePath()));
+      StringBuilder sb = new StringBuilder();
 
       if (!filesRemoved.isEmpty())
       {
         String files = joinByComma(filesRemoved);
         _needCheckinFiles.add(files);
-        getLogger().lifecycle(
-            "The following files have been removed, be sure to remove them from source control: {}", files);
+        String removedFilesMsg = String.format("The following files have been removed, " +
+                "be sure to remove them from source control: %s\n", files);
+        sb.append(removedFilesMsg);
       }
 
       if (!filesAdded.isEmpty())
       {
         String files = joinByComma(filesAdded);
         _needCheckinFiles.add(files);
-        getLogger().lifecycle("The following files have been added, be sure to add them to source control: {}", files);
+        String addedFilesMsg = String.format("The following files have been added, " +
+                "be sure to add them to source control: %s\n", files);
+        sb.append(addedFilesMsg);
       }
 
       if (!filesChanged.isEmpty())
       {
         String files = joinByComma(filesChanged);
         _needCheckinFiles.add(files);
-        getLogger().lifecycle(
-            "The following files have been changed, be sure to commit the changes to source control: {}", files);
+        String modifiedFilesMsg = String.format("The following files have been changed, " +
+                "be sure to commit the changes to source control: %s\n", files);
+        sb.append(modifiedFilesMsg);
+      }
+
+      String output = sb.toString();
+      if (!output.isEmpty())
+      {
+        getLogger().lifecycle(output);
+        IOUtil.writeText(getOutputFile().get().getAsFile(), output);
       }
     }
   }
@@ -119,4 +131,9 @@ public Collection<String> getNeedCheckinFiles()
   {
     return _needCheckinFiles;
   }
+
+  @OutputFile
+  public RegularFileProperty getOutputFile() {
+    return _outputFile;
+  }
 }
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckIdlTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckIdlTask.java
index 185c1dcf59..8baa28065e 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckIdlTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckIdlTask.java
@@ -17,6 +17,7 @@
 import org.gradle.api.DefaultTask;
 import org.gradle.api.GradleException;
 import org.gradle.api.file.FileCollection;
+import org.gradle.api.model.ReplacedBy;
 import org.gradle.api.tasks.CacheableTask;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.Input;
@@ -175,6 +176,7 @@ public void setSummaryTarget(File summaryTarget)
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean getIsModelCompatible()
   {
     return isModelCompatible();
@@ -189,6 +191,7 @@ public boolean getIsModelCompatible()
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean isIsModelCompatible()
   {
     return isModelCompatible();
@@ -209,6 +212,7 @@ public boolean isModelCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean getIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -223,6 +227,7 @@ public boolean getIsRestSpecCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean isIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -243,6 +248,7 @@ public boolean isRestSpecCompatible()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean getIsEquivalent()
   {
     return _equivalent;
@@ -257,6 +263,7 @@ public boolean getIsEquivalent()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean isIsEquivalent()
   {
     return _equivalent;
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckRestModelTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckRestModelTask.java
index fff58ababe..8e800f9e22 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckRestModelTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckRestModelTask.java
@@ -29,6 +29,7 @@
 import org.gradle.api.DefaultTask;
 import org.gradle.api.GradleException;
 import org.gradle.api.file.FileCollection;
+import org.gradle.api.model.ReplacedBy;
 import org.gradle.api.tasks.CacheableTask;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.Input;
@@ -210,6 +211,7 @@ public void setSummaryTarget(File summaryTarget)
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean getIsModelCompatible()
   {
     return isModelCompatible();
@@ -224,6 +226,7 @@ public boolean getIsModelCompatible()
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean isIsModelCompatible()
   {
     return isModelCompatible();
@@ -244,6 +247,7 @@ public boolean isModelCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean getIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -258,6 +262,7 @@ public boolean getIsRestSpecCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean isIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -278,6 +283,7 @@ public boolean isRestSpecCompatible()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean getIsEquivalent()
   {
     return isEquivalent();
@@ -292,6 +298,7 @@ public boolean getIsEquivalent()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean isIsEquivalent()
   {
     return isEquivalent();
@@ -312,6 +319,7 @@ public boolean isEquivalent()
    * @deprecated use {@link #isRestSpecEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecEquivalent")
   public boolean getIsRestSpecEquivalent()
   {
     return isRestSpecEquivalent();
@@ -326,6 +334,7 @@ public boolean getIsRestSpecEquivalent()
    * @deprecated use {@link #isRestSpecEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecEquivalent")
   public boolean isIsRestSpecEquivalent()
   {
     return isRestSpecEquivalent();
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckSnapshotTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckSnapshotTask.java
index f601ef67b3..c61ea77172 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckSnapshotTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/CheckSnapshotTask.java
@@ -13,6 +13,7 @@
 import org.gradle.api.GradleException;
 import org.gradle.api.Project;
 import org.gradle.api.file.FileCollection;
+import org.gradle.api.model.ReplacedBy;
 import org.gradle.api.tasks.CacheableTask;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.Input;
@@ -105,6 +106,7 @@ public void setCurrentSnapshotFiles(FileCollection currentSnapshotFiles)
   }
 
   @InputDirectory
+  @PathSensitive(PathSensitivity.RELATIVE)
   public File getPreviousSnapshotDirectory()
   {
     return _previousSnapshotDirectory;
@@ -157,6 +159,7 @@ public void setSummaryTarget(File summaryTarget)
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean getIsModelCompatible()
   {
     return isModelCompatible();
@@ -171,6 +174,7 @@ public boolean getIsModelCompatible()
    * @deprecated use {@link #isModelCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("modelCompatible")
   public boolean isIsModelCompatible()
   {
     return isModelCompatible();
@@ -191,6 +195,7 @@ public boolean isModelCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean getIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -205,6 +210,7 @@ public boolean getIsRestSpecCompatible()
    * @deprecated use {@link #isRestSpecCompatible()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecCompatible")
   public boolean isIsRestSpecCompatible()
   {
     return isRestSpecCompatible();
@@ -225,6 +231,7 @@ public boolean isRestSpecCompatible()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean getIsEquivalent()
   {
     return isEquivalent();
@@ -239,6 +246,7 @@ public boolean getIsEquivalent()
    * @deprecated use {@link #isEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("equivalent")
   public boolean isIsEquivalent()
   {
     return isEquivalent();
@@ -259,6 +267,7 @@ public boolean isEquivalent()
    * @deprecated use {@link #isRestSpecEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecEquivalent")
   public boolean getIsRestSpecEquivalent()
   {
     return isRestSpecEquivalent();
@@ -273,6 +282,7 @@ public boolean getIsRestSpecEquivalent()
    * @deprecated use {@link #isRestSpecEquivalent()} instead
    */
   @Deprecated
+  @ReplacedBy("restSpecEquivalent")
   public boolean isIsRestSpecEquivalent()
   {
     return isRestSpecEquivalent();
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateDataTemplateTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateDataTemplateTask.java
index db4aeab750..7922bc4437 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateDataTemplateTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateDataTemplateTask.java
@@ -126,9 +126,22 @@ public void setEnableArgFile(boolean enable)
     _enableArgFile = enable;
   }
 
+  /**
+   * This method is kept for backwards compatibility.
+   * <p>
+   * This non-property method was exposed.  Property methods should begin with is or get.
+   *
+   * @deprecated use {@link #isGenerateLowercasePath()} instead
+   */
+  @Deprecated
+  public Boolean generateLowercasePath()
+  {
+    return isGenerateLowercasePath();
+  }
+
   @Optional
   @Input
-  public Boolean generateLowercasePath()
+  public Boolean isGenerateLowercasePath()
   {
     return _generateLowercasePath;
   }
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestClientTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestClientTask.java
index 557c631f91..94046eab59 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestClientTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestClientTask.java
@@ -15,6 +15,7 @@
 import org.gradle.api.DefaultTask;
 import org.gradle.api.GradleException;
 import org.gradle.api.file.FileCollection;
+import org.gradle.api.model.ReplacedBy;
 import org.gradle.api.tasks.CacheableTask;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.Input;
@@ -290,9 +291,22 @@ public void setEnableArgFile(boolean enable)
     _enableArgFile = enable;
   }
 
+  /**
+   * This method is kept for backwards compatibility.
+   * <p>
+   * This non-property method was exposed.  Property methods should begin with is or get.
+   *
+   * @deprecated use {@link #isGenerateLowercasePath()} instead
+   */
+  @Deprecated
+  public Boolean generateLowercasePath()
+  {
+    return isGenerateLowercasePath();
+  }
+
   @Optional
   @Input
-  public Boolean generateLowercasePath()
+  public Boolean isGenerateLowercasePath()
   {
     return _generateLowercasePath;
   }
@@ -322,6 +336,7 @@ public void setDestinationDir(File destinationDir)
    * @deprecated use {@link #isRestli2FormatSuppressed()} instead
    */
   @Deprecated
+  @ReplacedBy("restli2FormatSuppressed")
   public boolean getIsRestli2FormatSuppressed()
   {
     return isRestli2FormatSuppressed();
@@ -336,6 +351,7 @@ public boolean getIsRestli2FormatSuppressed()
    * @deprecated use {@link #isRestli2FormatSuppressed()} instead
    */
   @Deprecated
+  @ReplacedBy("restli2FormatSuppressed")
   public boolean isIsRestli2FormatSuppressed()
   {
     return isRestli2FormatSuppressed();
@@ -397,6 +413,7 @@ public void setGenerateFluentApi(boolean generateFluentApi)
    * @deprecated use {@link #isRestli1BuildersDeprecated()} instead
    */
   @Deprecated
+  @ReplacedBy("restli1BuildersDeprecated")
   public boolean get_isRestli1BuildersDeprecated()
   {
     return isRestli1BuildersDeprecated();
@@ -411,6 +428,7 @@ public boolean get_isRestli1BuildersDeprecated()
    * @deprecated use {@link #isRestli1BuildersDeprecated()} instead
    */
   @Deprecated
+  @ReplacedBy("restli1BuildersDeprecated")
   public boolean is_isRestli1BuildersDeprecated()
   {
     return isRestli1BuildersDeprecated();
diff --git a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestModelTask.java b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestModelTask.java
index 154f355863..6e1c0f1117 100644
--- a/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestModelTask.java
+++ b/gradle-plugins/src/main/java/com/linkedin/pegasus/gradle/tasks/GenerateRestModelTask.java
@@ -163,7 +163,6 @@ public void setResolverPath(FileCollection resolverPath)
   }
 
   @OutputDirectory
-  @PathSensitive(PathSensitivity.NAME_ONLY)
   public File getIdlDestinationDir()
   {
     return _idlDestinationDir;