diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index 303e567e..2eff6cba 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -233,9 +233,15 @@ getJasmineRequireObj().base = function(j$, jasmineGlobal) {
     if (value instanceof Error) {
       return true;
     }
-    if (value && value.constructor && value.constructor.constructor &&
-      (value instanceof (value.constructor.constructor('return this')()).Error)) {
-      return true;
+    if (value && value.constructor && value.constructor.constructor) {
+      var valueGlobal = value.constructor.constructor('return this');
+      if (j$.isFunction_(valueGlobal)) {
+        valueGlobal = valueGlobal();
+      }
+
+      if (valueGlobal.Error && value instanceof valueGlobal.Error) {
+        return true;
+      }
     }
     return false;
   };
@@ -7023,5 +7029,5 @@ getJasmineRequireObj().UserContext = function(j$) {
 };
 
 getJasmineRequireObj().version = function() {
-  return '3.3.0';
+  return '3.4.0';
 };
diff --git a/lib/jasmine-core/version.rb b/lib/jasmine-core/version.rb
index 3f8f2931..0310ebe7 100644
--- a/lib/jasmine-core/version.rb
+++ b/lib/jasmine-core/version.rb
@@ -4,6 +4,6 @@
 #
 module Jasmine
   module Core
-    VERSION = "3.3.0"
+    VERSION = "3.4.0"
   end
 end
diff --git a/package.json b/package.json
index 029398ea..aacca8ae 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "jasmine-core",
   "license": "MIT",
-  "version": "3.3.0",
+  "version": "3.4.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/jasmine/jasmine.git"
diff --git a/release_notes/3.4.0.md b/release_notes/3.4.0.md
new file mode 100644
index 00000000..e252ecc1
--- /dev/null
+++ b/release_notes/3.4.0.md
@@ -0,0 +1,49 @@
+# Jasmine Core 3.4 Release Notes
+
+## Summary
+
+This is a maintenance release of Jasmine with a number of new features and fixes
+
+## Changes
+
+* Handle WebSocket events in IE when detecting Errors
+  - Fixes [#1623](https://github.com/jasmine/jasmine-npm/issues/1623)
+
+* bump dependencies for security fixes
+  - Merges [#1672](https://github.com/jasmine/jasmine-npm/issues/1672) from @wood1986
+
+* Make node execution default and override for browsers
+  - Merges [#1658](https://github.com/jasmine/jasmine-npm/issues/1658) from @wood1986
+  - Fixes [#883](https://github.com/jasmine/jasmine-npm/issues/883)
+
+* feat(result.duration): report test duration in ms
+  - Merges [#1660](https://github.com/jasmine/jasmine-npm/issues/1660) from @johnjbarton
+  - Fixes [#1646](https://github.com/jasmine/jasmine-npm/issues/1646)
+
+* refactor(Timer): share htmlReporter noopTimer via Timer.js
+  - Merges [#1669](https://github.com/jasmine/jasmine-npm/issues/1669) from @johnjbarton
+
+* Fix various typos
+  - Merges [#1666](https://github.com/jasmine/jasmine-npm/issues/1666) from @FelixRilling
+  - Merges [#1667](https://github.com/jasmine/jasmine-npm/issues/1667) from @FelixRilling
+  - Merges [#1665](https://github.com/jasmine/jasmine-npm/issues/1665) from @FelixRilling
+  - Merges [#1664](https://github.com/jasmine/jasmine-npm/issues/1664) from @FelixRilling
+  - Fixes [#1663](https://github.com/jasmine/jasmine-npm/issues/1663)
+
+* When catching a global error in Node.js, print the type of error
+  - Merges [#1632](https://github.com/jasmine/jasmine-npm/issues/1632) from @jbunton-atlassian
+
+* Support Error.stack in globalErrors.
+  - Merges [#1644](https://github.com/jasmine/jasmine-npm/issues/1644) from @johnjbarton
+
+* Stop treating objects with a `nodeType` as if they are DOM Nodes
+  - Fixes [#1638](https://github.com/jasmine/jasmine-npm/issues/1638)
+
+* Fixes issue where PhantomJS 2 and IE 10 - 11 crashed when reporting SVG element equality
+  - Merges [#1621](https://github.com/jasmine/jasmine-npm/issues/1621) from @Havunen
+  - Fixes [#1618](https://github.com/jasmine/jasmine-npm/issues/1618)
+
+
+------
+
+_Release Notes generated with _[Anchorman](http://github.com/infews/anchorman)_