Developer Mode

Developer Mode is a modification to the program that adds a select number of features meant for LDD Developers. Instead of changing part selection like the other modes, Developer mode adds a sixth tab to the top of LDD.

How to obtain
Similar to LEGO Universe Mode and the early LDD Extended Mode, Developer Mode must be obtained by editing the Preferences.ini file of LDD. You have to add DeveloperMode=1 after language=en. it will look something like this:

language=en

DeveloperMode=1

Uses
Developer Mode has various uses, most notably the ability to edit instructions manually and the ability to turn off physics.