<NME> changelog_bugfix.md
<BEF> - Fix: Reenable routing with external BRouter app in version 1.6.3

## 2021.12.24 Bugfix release


<MSG> Update changelog_bugfix.md
<DFF> @@ -1,4 +1,5 @@
 - Fix: Reenable routing with external BRouter app in version 1.6.3
+- Fix: Use a shorter timeout for fast scrolling mechanism for less interference with other layout elements
 
 ## 2021.12.24 Bugfix release
 

Update changelog_bugfix.md