diff --git a/HISTORY.md b/HISTORY.md
index e5aa588d..12623017 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,9 @@
## in development:
+### 2020-11-05
+* new dev version
+
## 6.3.0
* **New Features:**
* new gesture: holding the shift-key when dragging extracts a single command from a stack of blocks
diff --git a/snap.html b/snap.html
index 674f7422..dac9b5a1 100755
--- a/snap.html
+++ b/snap.html
@@ -3,7 +3,7 @@
- Snap! 6.3.0 Build Your Own Blocks
+ Snap! 6.3.1 - dev - Build Your Own Blocks
@@ -11,7 +11,7 @@
-
+
diff --git a/src/gui.js b/src/gui.js
index 838305fb..f69c6e32 100644
--- a/src/gui.js
+++ b/src/gui.js
@@ -78,7 +78,7 @@ Animation, BoxMorph, BlockEditorMorph, BlockDialogMorph, Note, ZERO, BLACK*/
// Global stuff ////////////////////////////////////////////////////////
-modules.gui = '2020-November-04';
+modules.gui = '2020-November-05';
// Declarations
@@ -4007,7 +4007,7 @@ IDE_Morph.prototype.aboutSnap = function () {
module, btn1, btn2, btn3, btn4, licenseBtn, translatorsBtn,
world = this.world();
- aboutTxt = 'Snap! 6.3.0\nBuild Your Own Blocks\n\n'
+ aboutTxt = 'Snap! 6.3.1 - dev -\nBuild Your Own Blocks\n\n'
+ 'Copyright \u24B8 2008-2020 Jens M\u00F6nig and '
+ 'Brian Harvey\n'
+ 'jens@moenig.org, bh@cs.berkeley.edu\n\n'