I decided to tell what will happen in the next update.
The update will be available on March 10.

Updated panel "MAKE SEAMLESS". Now in real time you will have a preview of the created seamless texture. This is much faster than before.
Added sliders:
SX - overlap directions X
SY - overlap directions Y
OFX - shift overlapping along the X axis
OFY - shift overlapping along the Y axis
BRIGHTNESS for overlapping
CONTRAST for overlapping.

The updated panel "PAINTING".
Added buttons:
STAMP, CLONE, MATERIAL.
Added selection of brush shape - round / rectangular.

Updated panel "SELECT TOOL".
Added 3 selection modes:
Rectangular, round, free form by reference points.
Added a "FILL" button to fill the selected area with the color and alpha set in the "PAINTING" panel.

Updated "VIEW" panel.
Added three render modes in the viewport:
Pure PBR
DNSIH
UBER (the mix of the two previous ones - is used in the v05022018).

Full view "O" tab.