diff --git a/regressionFinder.py b/regressionFinder.py
index ce85af0117466feb077d7517b926f7fad519bc91..05559725d1c0ebfd3fc63f85bbe4835c98429ea2 100644
--- a/regressionFinder.py
+++ b/regressionFinder.py
@@ -12,6 +12,7 @@ import thriftpy
 import re
 from time import sleep
 import atexit
+import packaging
 
 args = []
 basedir = os.getcwd()
@@ -84,8 +85,8 @@ def initRepository(repo):
     print(repo, branch)
 
     def cloneRepo():
-        proc = subprocess.run(["git", "clone", "-b", branch, f'https://code.qt.io/{repo}.git'], stderr=subprocess.PIPE, universal_newlines=True, cwd=builddir)
-        print(proc.stderr)
+        subprocess.run(["git", "clone", "-b", branch, f'https://code.qt.io/{repo}.git'], stderr=subprocess.PIPE, universal_newlines=True, cwd=builddir)
+        
 
     # clone modules if necessary, otherwise just pull latest.
     if not os.path.exists(os.path.join(builddir, module)):
@@ -96,6 +97,13 @@ def initRepository(repo):
         subprocess.run(["git", "pull", "origin", args.branch, "--quiet"], stderr=subprocess.PIPE, universal_newlines=True, cwd=os.path.join(builddir, module))
         subprocess.run(["git", "checkout", branch], stderr=subprocess.PIPE, universal_newlines=True, cwd=os.path.join(builddir, module))
 
+    if repo == "qt/qt5":
+        # Run the reset and pull again. Sometimes the previous pull leads to merge conflicts.
+        # We don't care, just needed the first pull to get the lastest submodule list
+        # and then reset and pull again to get the latest changes.
+        subprocess.run(["git", "reset", "--hard", f"origin/{args.branch}", "--quiet"], stderr=subprocess.PIPE, universal_newlines=True, cwd=os.path.join(builddir, module))
+        subprocess.run(["git", "pull", "origin", args.branch, "--quiet"], stderr=subprocess.PIPE, universal_newlines=True, cwd=os.path.join(builddir, module))
+        subprocess.run(["git", "submodule", "update", "--init"], stderr=subprocess.PIPE, universal_newlines=True, cwd=builddir)
 
 def validateTest():
     # Verify the selected test exists
@@ -355,7 +363,15 @@ def findRevToBuild(refRevision, module, branch="", returnParent=False):
         elif branch in commit["branch"] and module == args.module:
             # This logic branch will return immediately because it's the module we're testing a specific commit.
             # We'll check it out directly and just wanted to verify it exists.
-            return True
+            # But if the module to test is qtquick3d, verify that the commit date is after the first
+            # known integration and the branch to test is new enough.
+            if module == "qtquick3d":
+                if subprocess.run(["git", "show", "-s", "--format=%ct", refRevision], cwd=os.path.join(builddir, "qt5", args.module), stdout=subprocess.PIPE).stdout < 1566565560:
+                    return False
+                if (packaging.version.parse(args.branch) if not args.branch == "dev" else False) < packaging.version.parse(5.14):
+                    return False
+            else:
+                return True
 
         changeID = commit["change_id"]
         print(f"Found Change ID: {changeID} based on commit {refRevision}")
@@ -456,6 +472,7 @@ def findRevToBuild(refRevision, module, branch="", returnParent=False):
             print(f'Found {module} sha1: {sha}')
             return sha
         except Exception:
+            # Couldn't find the qt5 product sha from the module to build.
             print(f"ERROR: Couldn't find COIN product sha {workitem.product.sha1} for module {module} in qt5.")
             saveResult(refRevision, "BadCOINData")
             return False
@@ -867,8 +884,10 @@ def buildChanges(revision, bisecting=False, branch="", buildOnHead=False, noRebu
         if bisecting:
             if not determineBuildEligibility(revision, args.module, branch):  # Make sure that the revision we're going to test is valid and can be built, so we don't waste time.
                 return False
-
-        for module in ["qtbase", "qtdeclarative", "qtquickcontrols", "qtquickcontrols2", "qtgraphicaleffects", "qtquick3d"]:  # Qtbase must be built first.
+        modulesToBuild = ["qtbase", "qtdeclarative", "qtquickcontrols", "qtquickcontrols2", "qtgraphicaleffects"]
+        if args.module == "qtquick3d":
+            modulesToBuild.append("qtquick3d")
+        for module in modulesToBuild:  # Qtbase must be built first.
             if not checkout(revision, module, branch, buildOnHead=buildOnHead):
                 return False
             buildModule(module)