diff --git a/developer_support_script/check_build_stability.py b/developer_support_script/check_build_stability.py
index 1cda5f9a..b762e7aa 100644
--- a/developer_support_script/check_build_stability.py
+++ b/developer_support_script/check_build_stability.py
@@ -12,7 +12,7 @@
 ERROR_THRESHOLD_PERCENTAGE = 50
 
 
-def request_json(url: str) -> Any:
+def request_json(url: str) -> dict | None:
     """
     Utility function to get Json data from Jenkins.
 
@@ -63,7 +63,7 @@ def __init__(self, name: str) -> None:
         self.num_evaluate_builds = self._get_num_evaluate_builds()
         self.num_aborted_builds = self._get_num_aborted_builds()
 
-    def add_job(self, job):
+    def add_job(self, job: "JobData") -> None:
         """
         add another job's results to here so we can get a summary across jobs
         """
@@ -113,7 +113,8 @@ def _get_num_aborted_builds(self) -> int:
 
         for build in self.builds["ABORTED"]:
             data = request_json(
-                f"https://epics-jenkins.isis.rl.ac.uk/job/{self.name}/{build['number']}/api/json?tree=actions[causes[*]]"
+                f"https://epics-jenkins.isis.rl.ac.uk/job/{self.name}/"
+                f"{build['number']}/api/json?tree=actions[causes[*]]"
             )
             for action in data["actions"]:
                 if (
@@ -153,7 +154,8 @@ def _get_test_reports(self) -> list[Any]:
 
     def _get_failed_tests(self) -> Counter:
         """
-        Gets all the failed tests. The name is generated by using the the class name and the test name.
+        Gets all the failed tests. The name is generated by using
+        the class name and the test name.
 
         Returns:
             Counter: Key is test case name, value is number of failures.
@@ -170,7 +172,8 @@ def _get_failed_tests(self) -> Counter:
 
     def print_results(self) -> None:
         """
-        Prints the percentage of aborted builds for the job, the percentage of failures with no test report, and the percentage failure of each failing test.
+        Prints the percentage of aborted builds for the job, the percentage of
+        failures with no test report, and the percentage failure of each failing test.
         """
         if not self.buildable:
             print("WARNING: build is currently disabled")
@@ -179,13 +182,13 @@ def print_results(self) -> None:
         # Aborted builds.
         valid_builds = self.num_evaluate_builds + self.no_test_report_failures
         all_builds = valid_builds + self.num_aborted_builds
-        percentage_aborted_builds = (self.num_aborted_builds / all_builds) * 100 if all_builds > 0 else 0
+        percentage_aborted_builds = (
+            (self.num_aborted_builds / all_builds) * 100 if all_builds > 0 else 0
+        )
         level = calculate_level(
             percentage_aborted_builds, ERROR_THRESHOLD_PERCENTAGE, WARNING_THRESHOLD_PERCENTAGE
         )
-        print(
-            f"{level}: Aborted builds [{percentage_aborted_builds:.0f}%]"
-        )
+        print(f"{level}: Aborted builds [{percentage_aborted_builds:.0f}%]")
 
         # Failures with no test report
         # valid_builds will only be 0 if self.no_test_report_failures is also 0
@@ -200,7 +203,8 @@ def print_results(self) -> None:
             WARNING_THRESHOLD_PERCENTAGE,
         )
         print(
-            f"{level}: Failed builds with no Test Report [{percentage_no_test_report_failures:.0f}%]"
+            f"{level}: Failed builds with no Test Report "
+            f"[{percentage_no_test_report_failures:.0f}%]"
         )
 
         # Tests.
@@ -212,12 +216,10 @@ def print_results(self) -> None:
             level = calculate_level(
                 percentage_test_failure, ERROR_THRESHOLD_PERCENTAGE, WARNING_THRESHOLD_PERCENTAGE
             )
-            print(
-                f"{level}: [{percentage_test_failure:.0f}%] {name}"
-            )
+            print(f"{level}: [{percentage_test_failure:.0f}%] {name}")
 
 
-def process_jobs(jobs, summary_name):
+def process_jobs(jobs: list(str), summary_name: str) -> None:
     first = True
     job_summary = None
     for job in jobs:
@@ -242,7 +244,12 @@ def process_jobs(jobs, summary_name):
         "System_Tests_win32",
         "System_Tests_galilold",
         "System_Tests_Win11",
+        "System_Tests_Win11_Win11",
+    ]
+    SQUISH_JOBS = [
+        "System_Tests_Squish",
+        "System_Tests_Squish_Win11",
+        "System_Tests_Squish_Win11_Win11",
     ]
-    SQUISH_JOBS = ["System_Tests_Squish", "System_Tests_Squish_Win11"]
     process_jobs(EPICS_JOBS, "EPICS")
     process_jobs(SQUISH_JOBS, "SQUISH")