Index: resources/sql/autopatches/20140109.ddxactions.sql
===================================================================
--- /dev/null
+++ resources/sql/autopatches/20140109.ddxactions.sql
@@ -0,0 +1,21 @@
+CREATE TABLE {$NAMESPACE}_drydock.drydock_blueprinttransaction (
+  id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  phid VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  authorPHID VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  objectPHID VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  viewPolicy VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  editPolicy VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  commentPHID VARCHAR(64) COLLATE utf8_bin,
+  commentVersion INT UNSIGNED NOT NULL,
+  transactionType VARCHAR(32) NOT NULL COLLATE utf8_bin,
+  oldValue LONGTEXT NOT NULL COLLATE utf8_bin,
+  newValue LONGTEXT NOT NULL COLLATE utf8_bin,
+  contentSource LONGTEXT NOT NULL COLLATE utf8_bin,
+  metadata LONGTEXT NOT NULL COLLATE utf8_bin,
+  dateCreated INT UNSIGNED NOT NULL,
+  dateModified INT UNSIGNED NOT NULL,
+
+  UNIQUE KEY `key_phid` (phid),
+  KEY `key_object` (objectPHID)
+
+) ENGINE=InnoDB, COLLATE utf8_general_ci;
Index: src/__phutil_library_map__.php
===================================================================
--- src/__phutil_library_map__.php
+++ src/__phutil_library_map__.php
@@ -647,11 +647,14 @@
     'DrydockBlueprintController' => 'applications/drydock/controller/DrydockBlueprintController.php',
     'DrydockBlueprintCreateController' => 'applications/drydock/controller/DrydockBlueprintCreateController.php',
     'DrydockBlueprintEditController' => 'applications/drydock/controller/DrydockBlueprintEditController.php',
+    'DrydockBlueprintEditor' => 'applications/drydock/editor/DrydockBlueprintEditor.php',
     'DrydockBlueprintImplementation' => 'applications/drydock/blueprint/DrydockBlueprintImplementation.php',
     'DrydockBlueprintListController' => 'applications/drydock/controller/DrydockBlueprintListController.php',
     'DrydockBlueprintQuery' => 'applications/drydock/query/DrydockBlueprintQuery.php',
     'DrydockBlueprintScopeGuard' => 'applications/drydock/util/DrydockBlueprintScopeGuard.php',
     'DrydockBlueprintSearchEngine' => 'applications/drydock/query/DrydockBlueprintSearchEngine.php',
+    'DrydockBlueprintTransaction' => 'applications/drydock/storage/DrydockBlueprintTransaction.php',
+    'DrydockBlueprintTransactionQuery' => 'applications/drydock/query/DrydockBlueprintTransactionQuery.php',
     'DrydockBlueprintViewController' => 'applications/drydock/controller/DrydockBlueprintViewController.php',
     'DrydockCapabilityCreateBlueprints' => 'applications/drydock/capability/DrydockCapabilityCreateBlueprints.php',
     'DrydockCapabilityDefaultEdit' => 'applications/drydock/capability/DrydockCapabilityDefaultEdit.php',
@@ -3075,6 +3078,7 @@
     'DrydockBlueprintController' => 'DrydockController',
     'DrydockBlueprintCreateController' => 'DrydockBlueprintController',
     'DrydockBlueprintEditController' => 'DrydockBlueprintController',
+    'DrydockBlueprintEditor' => 'PhabricatorApplicationTransactionEditor',
     'DrydockBlueprintListController' =>
     array(
       0 => 'DrydockBlueprintController',
@@ -3082,6 +3086,8 @@
     ),
     'DrydockBlueprintQuery' => 'DrydockQuery',
     'DrydockBlueprintSearchEngine' => 'PhabricatorApplicationSearchEngine',
+    'DrydockBlueprintTransaction' => 'PhabricatorApplicationTransaction',
+    'DrydockBlueprintTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'DrydockBlueprintViewController' => 'DrydockBlueprintController',
     'DrydockCapabilityCreateBlueprints' => 'PhabricatorPolicyCapability',
     'DrydockCapabilityDefaultEdit' => 'PhabricatorPolicyCapability',
Index: src/applications/drydock/controller/DrydockBlueprintEditController.php
===================================================================
--- src/applications/drydock/controller/DrydockBlueprintEditController.php
+++ src/applications/drydock/controller/DrydockBlueprintEditController.php
@@ -57,13 +57,27 @@
         $errors[] = pht('You must name this blueprint.');
       }
 
-      // TODO: We should use transactions here.
-      $blueprint->setViewPolicy($v_view_policy);
-      $blueprint->setEditPolicy($v_edit_policy);
-      $blueprint->setBlueprintName($v_name);
-
       if (!$errors) {
-        $blueprint->save();
+        $xactions = array();
+
+        $xactions[] = id(new DrydockBlueprintTransaction())
+          ->setTransactionType(PhabricatorTransactions::TYPE_VIEW_POLICY)
+          ->setNewValue($v_view_policy);
+
+        $xactions[] = id(new DrydockBlueprintTransaction())
+          ->setTransactionType(PhabricatorTransactions::TYPE_EDIT_POLICY)
+          ->setNewValue($v_edit_policy);
+
+        $xactions[] = id(new DrydockBlueprintTransaction())
+          ->setTransactionType(DrydockBlueprintTransaction::TYPE_NAME)
+          ->setNewValue($v_name);
+
+        $editor = id(new DrydockBlueprintEditor())
+          ->setActor($viewer)
+          ->setContentSourceFromRequest($request)
+          ->setContinueOnNoEffect(true);
+
+        $editor->applyTransactions($blueprint, $xactions);
 
         $id = $blueprint->getID();
         $save_uri = $this->getApplicationURI("blueprint/{$id}/");
Index: src/applications/drydock/controller/DrydockBlueprintViewController.php
===================================================================
--- src/applications/drydock/controller/DrydockBlueprintViewController.php
+++ src/applications/drydock/controller/DrydockBlueprintViewController.php
@@ -53,11 +53,26 @@
       ->setHeader($header)
       ->addPropertyList($properties);
 
+    $xactions = id(new DrydockBlueprintTransactionQuery())
+      ->setViewer($viewer)
+      ->withObjectPHIDs(array($blueprint->getPHID()))
+      ->execute();
+
+    $engine = id(new PhabricatorMarkupEngine())
+      ->setViewer($viewer);
+
+    $timeline = id(new PhabricatorApplicationTransactionView())
+      ->setUser($viewer)
+      ->setObjectPHID($blueprint->getPHID())
+      ->setTransactions($xactions)
+      ->setMarkupEngine($engine);
+
     return $this->buildApplicationPage(
       array(
         $crumbs,
         $object_box,
-        $resource_list
+        $resource_list,
+        $timeline,
       ),
       array(
         'device'  => true,
Index: src/applications/drydock/editor/DrydockBlueprintEditor.php
===================================================================
--- /dev/null
+++ src/applications/drydock/editor/DrydockBlueprintEditor.php
@@ -0,0 +1,65 @@
+<?php
+
+final class DrydockBlueprintEditor
+  extends PhabricatorApplicationTransactionEditor {
+
+  public function getTransactionTypes() {
+    $types = parent::getTransactionTypes();
+
+    $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
+    $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
+    $types[] = DrydockBlueprintTransaction::TYPE_NAME;
+
+    return $types;
+  }
+
+  protected function getCustomTransactionOldValue(
+    PhabricatorLiskDAO $object,
+    PhabricatorApplicationTransaction $xaction) {
+
+    switch ($xaction->getTransactionType()) {
+      case DrydockBlueprintTransaction::TYPE_NAME:
+        return $object->getBlueprintName();
+    }
+  }
+
+  protected function getCustomTransactionNewValue(
+    PhabricatorLiskDAO $object,
+    PhabricatorApplicationTransaction $xaction) {
+
+    switch ($xaction->getTransactionType()) {
+      case DrydockBlueprintTransaction::TYPE_NAME:
+        return $xaction->getNewValue();
+    }
+  }
+
+  protected function applyCustomInternalTransaction(
+    PhabricatorLiskDAO $object,
+    PhabricatorApplicationTransaction $xaction) {
+
+    switch ($xaction->getTransactionType()) {
+      case DrydockBlueprintTransaction::TYPE_NAME:
+        $object->setBlueprintName($xaction->getNewValue());
+        break;
+    }
+  }
+
+  protected function applyCustomExternalTransaction(
+    PhabricatorLiskDAO $object,
+    PhabricatorApplicationTransaction $xaction) {
+    return;
+  }
+
+  protected function extractFilePHIDsFromCustomTransaction(
+    PhabricatorLiskDAO $object,
+    PhabricatorApplicationTransaction $xaction) {
+    return array();
+  }
+
+  protected function shouldSendMail(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+    return false;
+  }
+
+}
Index: src/applications/drydock/query/DrydockBlueprintTransactionQuery.php
===================================================================
--- /dev/null
+++ src/applications/drydock/query/DrydockBlueprintTransactionQuery.php
@@ -0,0 +1,10 @@
+<?php
+
+final class DrydockBlueprintTransactionQuery
+  extends PhabricatorApplicationTransactionQuery {
+
+  public function getTemplateApplicationTransaction() {
+    return new DrydockBlueprintTransaction();
+  }
+
+}
Index: src/applications/drydock/storage/DrydockBlueprintTransaction.php
===================================================================
--- /dev/null
+++ src/applications/drydock/storage/DrydockBlueprintTransaction.php
@@ -0,0 +1,39 @@
+<?php
+
+final class DrydockBlueprintTransaction
+  extends PhabricatorApplicationTransaction {
+
+  const TYPE_NAME       = 'drydock:blueprint:name';
+
+  public function getApplicationName() {
+    return 'drydock';
+  }
+
+  public function getApplicationTransactionType() {
+    return DrydockPHIDTypeBlueprint::TYPECONST;
+  }
+
+  public function getTitle() {
+    $old = $this->getOldValue();
+    $new = $this->getNewValue();
+    $author_handle = $this->renderHandleLink($this->getAuthorPHID());
+
+    switch ($this->getTransactionType()) {
+      case self::TYPE_NAME:
+        if (!strlen($old)) {
+          return pht(
+            '%s created this blueprint.',
+            $author_handle);
+        } else {
+          return pht(
+            '%s renamed this blueprint from "%s" to "%s".',
+            $author_handle,
+            $old,
+            $new);
+        }
+    }
+
+    return parent::getTitle();
+  }
+
+}