diff --git a/.github/jobs/configure-checks/all.bats b/.github/jobs/configure-checks/all.bats
index 207650895f..0ac60eae40 100755
--- a/.github/jobs/configure-checks/all.bats
+++ b/.github/jobs/configure-checks/all.bats
@@ -111,6 +111,10 @@ compile_assertions_finished () {
 }
 
 @test "Install GNU C only" {
+    if [ "$distro_id" = "ID=fedora" ]; then
+        # Fedora ships with a gcc with enough C++ support
+        skip
+    fi
     repo-remove clang g++
     repo-install gcc libcgroup-dev
     compiler_assertions gcc ''
diff --git a/judge/judgedaemon.main.php b/judge/judgedaemon.main.php
index 676f1f596e..81f3a03656 100644
--- a/judge/judgedaemon.main.php
+++ b/judge/judgedaemon.main.php
@@ -334,8 +334,9 @@ function fetch_executable_internal(
     $execbuildpath   = $execbuilddir . '/build';
     $execrunpath     = $execbuilddir . '/run';
     $execrunjurypath = $execbuilddir . '/runjury';
-    if (!is_dir($execdir) || !file_exists($execdeploypath)) {
-        system('rm -rf ' . dj_escapeshellarg($execdir) . ' ' . dj_escapeshellarg($execbuilddir), $retval);
+    if (!is_dir($execdir) || !file_exists($execdeploypath) ||
+        ($combined_run_compare && file_get_contents(LIBJUDGEDIR . '/run-interactive.sh')!==file_get_contents($execrunpath))) {
+        system('rm -rf ' . dj_escapeshellarg($execdir) . ' ' . dj_escapeshellarg($execbuilddir));
         if ($retval !== 0) {
             disable('judgehost', 'hostname', $myhost, "Deleting '$execdir' or '$execbuilddir' was unsuccessful.");
         }
@@ -1405,7 +1406,7 @@ function judge(array $judgeTask): bool
 
     $input = $tcfile['input'];
     $output = $tcfile['output'];
-    $passLimit = $run_config['pass_limit'];
+    $passLimit = $run_config['pass_limit'] ?? 1;
     for ($passCnt = 1; $passCnt <= $passLimit; $passCnt++) {
         $nextPass = false;
         if ($passLimit > 1) {
diff --git a/judge/run-interactive.sh b/judge/run-interactive.sh
old mode 100644
new mode 100755
diff --git a/webapp/src/Service/ImportExportService.php b/webapp/src/Service/ImportExportService.php
index bfea25e3fe..be947c60a0 100644
--- a/webapp/src/Service/ImportExportService.php
+++ b/webapp/src/Service/ImportExportService.php
@@ -1127,7 +1127,9 @@ public function importAccountsJson(array $data, ?string &$message = null, ?array
      */
     protected function importTeamData(array $teamData, ?string &$message, ?array &$saved = null): int
     {
+        /** @var TeamAffiliation[] $createdAffiliations */
         $createdAffiliations = [];
+        /** @var TeamCategory[] $createdCategories */
         $createdCategories   = [];
         $createdTeams        = [];
         $updatedTeams        = [];
@@ -1140,6 +1142,14 @@ protected function importTeamData(array $teamData, ?string &$message, ?array &$s
             if (!empty($teamItem['team_affiliation']['shortname'])) {
                 // First look up if the affiliation already exists.
                 $teamAffiliation = $this->em->getRepository(TeamAffiliation::class)->findOneBy(['shortname' => $teamItem['team_affiliation']['shortname']]);
+                if (!$teamAffiliation) {
+                    foreach ($createdAffiliations as $createdAffiliation) {
+                        if ($createdAffiliation->getShortname() === $teamItem['team_affiliation']['shortname']) {
+                            $teamAffiliation = $createdAffiliation;
+                            break;
+                        }
+                    }
+                }
                 if (!$teamAffiliation) {
                     $teamAffiliation  = new TeamAffiliation();
                     $propertyAccessor = PropertyAccess::createPropertyAccessor();
@@ -1166,6 +1176,15 @@ protected function importTeamData(array $teamData, ?string &$message, ?array &$s
                 }
             } elseif (!empty($teamItem['team_affiliation']['externalid'])) {
                 $teamAffiliation = $this->em->getRepository(TeamAffiliation::class)->findOneBy(['externalid' => $teamItem['team_affiliation']['externalid']]);
+                if (!$teamAffiliation) {
+                    foreach ($createdAffiliations as $createdAffiliation) {
+                        if ($createdAffiliation->getExternalid() === $teamItem['team_affiliation']['externalid']) {
+                            $teamAffiliation = $createdAffiliation;
+                            break;
+                        }
+                    }
+                }
+
                 if (!$teamAffiliation) {
                     $teamAffiliation = new TeamAffiliation();
                     $teamAffiliation
@@ -1196,6 +1215,14 @@ protected function importTeamData(array $teamData, ?string &$message, ?array &$s
 
             if (!empty($teamItem['team']['categoryid'])) {
                 $teamCategory = $this->em->getRepository(TeamCategory::class)->findOneBy(['externalid' => $teamItem['team']['categoryid']]);
+                if (!$teamCategory) {
+                    foreach ($createdCategories as $createdCategory) {
+                        if ($createdCategory->getExternalid() === $teamItem['team']['categoryid']) {
+                            $teamCategory = $createdCategory;
+                            break;
+                        }
+                    }
+                }
                 if (!$teamCategory) {
                     $teamCategory = new TeamCategory();
                     $teamCategory
diff --git a/webapp/templates/jury/analysis/contest_overview.html.twig b/webapp/templates/jury/analysis/contest_overview.html.twig
index 1e3a70f3ed..0c0943a91e 100644
--- a/webapp/templates/jury/analysis/contest_overview.html.twig
+++ b/webapp/templates/jury/analysis/contest_overview.html.twig
@@ -345,6 +345,15 @@ nv.addGraph(function() {
   d3.select('#graph_problems svg')
       .datum(problem_stats)
       .call(chart);
+  // Hide bars with 0 height after rendering
+  chart.dispatch.on('renderEnd', function() {
+    d3.selectAll('#graph_problems .nv-bar').each(function(d) {
+      if (d.value === 0) {
+        d3.select(this).attr('height', 0);
+        d3.select(this).attr('y', chart.yAxis.scale()(0)); 
+      }
+    });
+  });
   nv.utils.windowResize(chart.update);
   return chart;
 });
diff --git a/webapp/tests/Unit/Service/ImportExportServiceTest.php b/webapp/tests/Unit/Service/ImportExportServiceTest.php
index 0146879233..e7cc24a9e5 100644
--- a/webapp/tests/Unit/Service/ImportExportServiceTest.php
+++ b/webapp/tests/Unit/Service/ImportExportServiceTest.php
@@ -679,6 +679,7 @@ public function testImportTeamsTsv(): void
 File_Version	2
 11	447047	24	¡i¡i¡	Lund University	LU	SWE	INST-42
 12	447837	25	Pleading not FAUlty	Friedrich-Alexander-University Erlangen-Nuremberg	FAU	DEU	INST-43
+13	447057	24	Another team from Lund	Lund University	LU	SWE	INST-42
 EOF;
 
         $expectedTeams = [
@@ -710,6 +711,20 @@ public function testImportTeamsTsv(): void
                     'name' => 'Friedrich-Alexander-University Erlangen-Nuremberg',
                     'country' => 'DEU',
                 ],
+            ], [
+                'externalid' => '13',
+                'icpcid' => '447057',
+                'label' => null,
+                'name' => 'Another team from Lund',
+                'category' => [
+                    'externalid' => '24',
+                ],
+                'affiliation' => [
+                    'externalid' => '42',
+                    'shortname' => 'LU',
+                    'name' => 'Lund University',
+                    'country' => 'SWE',
+                ],
             ],
         ];