Nowadays I am pretty busy, that’s why this release came so late… Sorry for this! And thanks for all the e-mails pushing me to hurry up ^^. It’s nice to know that someone cares. This time I focused on improving the usability of GUI, especially Preview about which I received complaints. It’s still not finished, but I hope – significantly better.
Links to download are (as usual) here: https://hshrzd.wordpress.com/pe-bear/
Changelog
Special thanks to Karcrack for testing!
Major Features:
[feat#1] In Preview: added navigation with the help of diagram
[feat#2] Sections Headers made fully editable
+ lot of internal refactoring and optimization…
Using context menu. you can extend description shown in the graph
hasherezade's 1001 nights 
Where is the source code of this!?
Guess! I will give you a hint – in one of my private repositories! 😛