Update the History.txt since v2.0.5

[nbekirov]

This PR aims at completing the "v2.0.5...master look through, and find items for History.txt" task from #498

[nbekirov]

Anyone out there?

[olleolleolle]

Hello! Thanks for the update - the other History.txt lines are edited a bit, to omit commits that do not really communicate much that the reader needs to act on.

Compare the other releases.

To merge this, History.txt should have a short list of user-facing, important changes.

Hope this helps!

[nbekirov]

Thank you, @olleolleolle! I'll look int this :)

[olleolleolle]

@nbekirov I made an attempt, and merged it, thanks for starting this!