Draw.io has many internal options, that can be used to enable additional features and could be exposed to the user.
I identified these as useful:

• mxGraph.prototype.setConnectableEdges

  • make edges connectable
    • would love this feature to be configurable
  • default: false

• mxGraph.prototype.setAllowDanglingEdges

  • edges need to have a src & dst
  • default: true

• `mxGr

Describe the bug
The sidebar has overflow: scroll causing scrollbars always to be visible on Windows

To Reproduce
Steps to reproduce the behavior:

1. Go to documentation using Windows

Expected behavior
There should not be scrollbars before the content overflows

Screenshots
![image](https://user-images.githubusercontent.com/2255960/99193174-891e7c00-2777-11eb-8ceb-79

In the following diagram, it is not possible to drag Y on to the end of the arrow, despite it being empty.

In such a situation, it makes sense to allow Y to be dragged on top of the empty node.

Blast Radius , when launched in --serve mode, does some pretty weak error reporting, and does nothing to help users resolve problems. It asks the user to look into several possible issues, rather than checking itself...

To observe the current (undesired) behavior, run Blast Radius in an empty directory:

[...]$ mkdir tmp
[...]$ cd tmp
[...]$ blast-radius --serve

A short

When this browserl.ist becomes empty we should ditch Timsort as the sort function of native arrays in all supported browsers will fulfill all of our requirements. This is already the case in most versions we support an