System Information
Operating system: Darwin-18.6.0-x86_64-i386-64bit 64 Bits
Graphics card: Intel(R) HD Graphics 6000 Intel Inc. 4.1 INTEL-12.9.22

Blender Version
Broken: version: 2.83 (sub 2), branch: master, commit date: 2020-02-13 17:12, hash: rBb6572c5430c5

Short description of error

cursor doesn't go beyond 3 characters per lines you add in the console. This problem shows up like this:

Exact steps for others to reproduce the error
On default setup, change one of the editors in the sidebar to Python Console. I chose outliner, but properties panel is fine too, as long as it is thin.
Keep typing till it starts wrapping - incorrectly.