diff --git a/HISTORY.md b/HISTORY.md
index cef491d5..3657aa48 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,14 +3,19 @@
## in development:
* **New Features:**
* **Notable Changes:**
+* **Notable Fixes:**
+* **Translation Updates:**
+
+## v5.0.4
* **Notable Fixes:**
* fixed a glitch when running a generic WHEN hat block with a literal Boolean input
* fixed a bug in the SHOW PICTURE block of the "Pixels" library
-* **Translation Updates:**
### 2019-07-10
* threads: fixed a glitch when running a generic WHEN hat block with a literal Boolean input
-* fixed a bug in the SHOW PICTURE block of the "Pixels" library
+* fixed a bug in the SHOW PICTURE block of the "Pixels" library
+* tweaked "messages" menu for custom blocks, thanks, Joan!
+* maintenance release
## v5.0.3
* **Notable Change:**
diff --git a/snap.html b/snap.html
index 0404b94d..93ee32b0 100755
--- a/snap.html
+++ b/snap.html
@@ -2,14 +2,14 @@
- Snap! Build Your Own Blocks 5.0.3
+ Snap! Build Your Own Blocks 5.0.4
-
+
diff --git a/src/gui.js b/src/gui.js
index 1b56b60b..d53d2ade 100644
--- a/src/gui.js
+++ b/src/gui.js
@@ -75,7 +75,7 @@ isRetinaSupported, SliderMorph, Animation, BoxMorph, MediaRecorder*/
// Global stuff ////////////////////////////////////////////////////////
-modules.gui = '2019-July-10';
+modules.gui = '2019-July-15';
// Declarations
@@ -3595,7 +3595,7 @@ IDE_Morph.prototype.aboutSnap = function () {
module, btn1, btn2, btn3, btn4, licenseBtn, translatorsBtn,
world = this.world();
- aboutTxt = 'Snap! 5.0.3\nBuild Your Own Blocks\n\n'
+ aboutTxt = 'Snap! 5.0.4\nBuild Your Own Blocks\n\n'
+ 'Copyright \u24B8 2019 Jens M\u00F6nig and '
+ 'Brian Harvey\n'
+ 'jens@moenig.org, bh@cs.berkeley.edu\n\n'