diff --git a/ChangeLog.md b/ChangeLog.md
index ab8600e5..77370c4c 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -5,6 +5,12 @@
   * Tidy up shipyard page; remove units from data columns and re-order for legibility
   * Allow basic drag/drop functionality in Edge/Internet Explorer 11 browser
   * Provide separate special effects for dumbfire and seeker missiles
+  * Include special effect modifiers in blueprint tooltip
+  * Use coriolis-data 2.3.4:
+    * Add missing Long Range blueprint to multi-cannon
+    * Fix values for thermal load of focused weapon grade 4
+    * Fix internal module information for power plant blueprints
+    * Add 'FSD Interrupt' special to dumbfire missile racks; this module now has `specials_S` and `specials_D` keys for specials to differentiate
 
 #2.3.3
   * Remove unused blueprint when hitting reset
diff --git a/package.json b/package.json
index c4b8aae5..e32028bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "coriolis_shipyard",
-  "version": "2.3.4-b",
+  "version": "2.3.4",
   "repository": {
     "type": "git",
     "url": "https://github.com/EDCD/coriolis"
diff --git a/src/app/utils/BlueprintFunctions.js b/src/app/utils/BlueprintFunctions.js
index dd22bec3..42e6430c 100644
--- a/src/app/utils/BlueprintFunctions.js
+++ b/src/app/utils/BlueprintFunctions.js
@@ -87,6 +87,36 @@ export function blueprintTooltip(translate, blueprint, engineers, grp, m) {
         );
       }
     }
+
+    // We also add in any benefits from specials that aren't covered above
+    if (m.blueprint && m.blueprint.special) {
+      for (const feature in Modifications.modifierActions[m.blueprint.special.edname]) {
+        if (!blueprint.features[feature] && !m.mods.feature) {
+          const featureDef = Modifications.modifications[feature];
+          let symbol = '';
+          if (feature === 'jitter') {
+            symbol = '°';
+          } else if (featureDef.type === 'percentage') {
+            symbol = '%';
+          }
+          let current = m.getModValue(feature);
+          if (featureDef.type === 'percentage' || featureDef.name === 'burst' || featureDef.name === 'burstrof') {
+            current = Math.round(current / 10) / 10;
+          } else if (featureDef.type === 'numeric') {
+            current /= 100;
+          }
+          const currentIsBeneficial  = isValueBeneficial(feature, current);
+          effects.push(
+            <tr key={feature}>
+              <td style={{ textAlign: 'left' }}>{translate(feature, grp)}</td>
+              <td>&nbsp;</td>
+              <td className={current === 0 ? '' : currentIsBeneficial ? 'secondary' : 'warning'} style={{ textAlign: 'right' }}>{current}{symbol}</td>
+              <td>&nbsp;</td>
+            </tr>
+          );
+        }
+      }
+    }
   }
   let components;
   if (!m) {