Notable changes compared to Finn's Launcher:

µLauncher is a fork of finnmglas's app Launcher. Here is an incomplete list of changes:

Additional gestures:
- Back
- V,Λ,<,>
- Edge gestures: There is a setting to allow distinguishing swiping at the edges of the screen from swiping in the center.
Compatible with work profile, so apps like Shelter can be used.
Compatible with private space
Option to rename apps
Option to hide apps
Favorite apps
New actions:
- Toggle Torch
- Lock screen
The home button now works as expected.
Improved gesture detection.

Visual

This app uses the system wallpaper instead of a custom solution.
The font has been changed to [Hack][hack-font], other fonts can be selected.
Font Awesome Icons were replaced by Material icons.
The gear button on the home screen was removed. A smaller button is show at the top right when necessary.

Search

The search algorithm was modified to prefer matches at the beginning of the app name, i.e. when searching for "te", "termux" is sorted before "notes".
The search bar was moved to the bottom of the screen.

Technical

Improved gesture detection.
Different apps set as default.
Package name was changed to de.jrpie.android.launcher to avoid clashing with the original app.
Dropped support for API < 21 (i.e. pre Lollypop)
Fixed some bugs
Some refactoring

The complete list of changes can be viewed here.