diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -13,7 +13,7 @@
     'differential.pkg.css' => '2de124c9',
     'differential.pkg.js' => '6223dd9d',
     'diffusion.pkg.css' => 'f45955ed',
-    'diffusion.pkg.js' => '0115b37c',
+    'diffusion.pkg.js' => 'ca1c8b5a',
     'maniphest.pkg.css' => '4845691a',
     'maniphest.pkg.js' => '3ec6a6d5',
     'rsrc/css/aphront/aphront-bars.css' => '231ac33c',
@@ -371,7 +371,7 @@
     'rsrc/js/application/diffusion/behavior-jump-to.js' => '73d09eef',
     'rsrc/js/application/diffusion/behavior-load-blame.js' => '42126667',
     'rsrc/js/application/diffusion/behavior-locate-file.js' => '6d3e1947',
-    'rsrc/js/application/diffusion/behavior-pull-lastmodified.js' => '2b228192',
+    'rsrc/js/application/diffusion/behavior-pull-lastmodified.js' => 'f01586dc',
     'rsrc/js/application/doorkeeper/behavior-doorkeeper-tag.js' => 'e5822781',
     'rsrc/js/application/files/behavior-icon-composer.js' => '8ef9ab58',
     'rsrc/js/application/files/behavior-launch-icon-composer.js' => '48086888',
@@ -574,7 +574,7 @@
     'javelin-behavior-diffusion-commit-graph' => '9007c197',
     'javelin-behavior-diffusion-jump-to' => '73d09eef',
     'javelin-behavior-diffusion-locate-file' => '6d3e1947',
-    'javelin-behavior-diffusion-pull-lastmodified' => '2b228192',
+    'javelin-behavior-diffusion-pull-lastmodified' => 'f01586dc',
     'javelin-behavior-doorkeeper-tag' => 'e5822781',
     'javelin-behavior-durable-column' => 'c72aa091',
     'javelin-behavior-error-log' => '6882e80a',
@@ -998,13 +998,6 @@
       'javelin-install',
       'javelin-util',
     ),
-    '2b228192' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-util',
-      'javelin-workflow',
-      'javelin-json',
-    ),
     '2b8de964' => array(
       'javelin-install',
       'javelin-util',
@@ -1939,6 +1932,13 @@
       'javelin-install',
       'javelin-util',
     ),
+    'f01586dc' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-util',
+      'javelin-workflow',
+      'javelin-json',
+    ),
     'f24a53cb' => array(
       'phui-fontkit-css',
     ),
diff --git a/webroot/rsrc/js/application/diffusion/behavior-pull-lastmodified.js b/webroot/rsrc/js/application/diffusion/behavior-pull-lastmodified.js
--- a/webroot/rsrc/js/application/diffusion/behavior-pull-lastmodified.js
+++ b/webroot/rsrc/js/application/diffusion/behavior-pull-lastmodified.js
@@ -16,7 +16,16 @@
           if (!config.map[k][l]) {
             continue;
           }
-          JX.DOM.setContent(JX.$(config.map[k][l]), JX.$H(r[k][l]));
+          try {
+            JX.DOM.setContent(JX.$(config.map[k][l]), JX.$H(r[k][l]));
+          } catch (ex) {
+            // The way this works is weird and sometimes the components get
+            // out of sync. Fail gently until we can eventually improve the
+            // underlying mechanism.
+
+            // In particular, we currently may generate lint information
+            // without generating a lint column. See T9524.
+          }
         }
       }
     })