diff --git a/tests/etl/test_load_artifacts.py b/tests/etl/test_load_artifacts.py
index 4c70fed95e6..2579a503ce2 100644
--- a/tests/etl/test_load_artifacts.py
+++ b/tests/etl/test_load_artifacts.py
@@ -2,6 +2,7 @@
 
 from treeherder.etl.artifact import store_job_artifacts
 from treeherder.model.models import TextLogError
+from treeherder.model.error_summary import get_error_summary
 
 
 def test_load_textlog_summary_twice(test_repository, test_job):
@@ -50,8 +51,19 @@ def test_load_non_ascii_textlog_errors(test_job):
         "job_guid": test_job.guid,
     }
 
+    # ensure a result='failed' to treat failure as a NEW_failure
+    test_job.result = "testfailed"
+    test_job.save()
+
     store_job_artifacts([text_log_summary_artifact])
 
+    # ensure bug_suggestions data is stored and retrieved properly
+    tle_all = TextLogError.objects.all()
+    bug_suggestions = get_error_summary(test_job)
+    for suggestion in bug_suggestions:
+        tle = next(t for t in tle_all if t.line_number == suggestion["line_number"])
+        assert suggestion["failure_new_in_rev"] == tle.new_failure
+
     assert TextLogError.objects.count() == 2
     assert TextLogError.objects.get(line_number=1587).line == "07:51:28  WARNING - \U000000c3"
     assert TextLogError.objects.get(line_number=1588).line == "07:51:29  WARNING - <U+01D400>"
diff --git a/tests/webapp/api/test_jobs_api.py b/tests/webapp/api/test_jobs_api.py
index 7b1fb6e3b35..90ba1ac8b4b 100644
--- a/tests/webapp/api/test_jobs_api.py
+++ b/tests/webapp/api/test_jobs_api.py
@@ -222,12 +222,14 @@ def test_text_log_errors(client, test_job):
             "job": 1,
             "line": "failure 1",
             "line_number": 101,
+            "new_failure": False,
         },
         {
             "id": 2,
             "job": 1,
             "line": "failure 2",
             "line_number": 102,
+            "new_failure": False,
         },
     ]
 
diff --git a/treeherder/etl/artifact.py b/treeherder/etl/artifact.py
index 7facdd002d5..2d0b46a7a38 100644
--- a/treeherder/etl/artifact.py
+++ b/treeherder/etl/artifact.py
@@ -30,6 +30,9 @@ def store_text_log_summary_artifact(job, text_log_summary_artifact):
         ignore_conflicts=True,
     )
 
+    # Bulk create doesn't return .id field, so query to get them.
+    log_errors = TextLogError.objects.filter(job=job)
+
     # get error summary immediately (to warm the cache)
     # Conflicts may have occured during the insert, but we pass the queryset for performance
     bugs = error_summary.get_error_summary(job, queryset=log_errors)
@@ -42,7 +45,13 @@ def store_text_log_summary_artifact(job, text_log_summary_artifact):
         ]:
             # classify job as `new failure` - for filtering, etc.
             job.failure_classification_id = 6
-            job.save()
+            job.save(update_fields=["failure_classification_id"])
+            # for every log_errors (TLE object) there is a corresponding bugs/suggestion
+            for tle in log_errors:
+                if tle.line_number == suggestion["line_number"]:
+                    tle.new_failure = True
+                    tle.save(update_fields=["new_failure"])
+                    break
 
 
 def store_job_artifacts(artifact_data):
diff --git a/treeherder/model/migrations/0033_textlogerror_new_failure.py b/treeherder/model/migrations/0033_textlogerror_new_failure.py
new file mode 100644
index 00000000000..fcf45af4847
--- /dev/null
+++ b/treeherder/model/migrations/0033_textlogerror_new_failure.py
@@ -0,0 +1,21 @@
+# Generated by Django 4.2.13 on 2024-10-21 13:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "model",
+            "0032_rename_failureline_job_guid_repository_failure_lin_job_gui_b67c6d_idx_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="textlogerror",
+            name="new_failure",
+            field=models.BooleanField(default=False),
+        ),
+    ]
diff --git a/treeherder/model/models.py b/treeherder/model/models.py
index 3a59e563659..49e77d6a83d 100644
--- a/treeherder/model/models.py
+++ b/treeherder/model/models.py
@@ -1219,6 +1219,7 @@ class TextLogError(models.Model):
     job = models.ForeignKey(Job, on_delete=models.CASCADE, related_name="text_log_error", null=True)
     line = models.TextField()
     line_number = models.PositiveIntegerField()
+    new_failure = models.BooleanField(default=False)
 
     # TODO delete this field and unique_together once backfill of jobs in TextLogError table has been completed
     step = models.ForeignKey(