You can go and look for early reviews, read them, and you will see how many people return and raise the rate after i implemented what they ask, really big features (like Tree Style Tabs), or some small (like one click navigation, mentioned bug-fixes, possibility to rename titles for windows, many other things)
To save you time - nobody at all.
So you are really special - yet I am already understanded this...

Really does not see how this is different from you case. 

There was possibility to help the project, by setting 5 stars (everything else is decrease the average).

Yet you decide to use you stars with some other goal and desire in mind. Now you try self-delusion self that this is somehow "honest" rate for a "current state of this plugin". This reviews is not about honest rate of current state, it is about support and help, or about preventing other people to stay in some crap. And the line between there cases is crossed by the current average.

Such things really make real world worse.
From one point this only some virtual stars. 
But must say that after several low star reviews, with really stupid requests (which is simple impossible to implement) or simple because the reviewer have bad mood, I start speak with other users very differently... the good thing - this save me a lot of time.

And now i think i will do some more conclusions from this our conversation. If after really normal talk with arguments and real desire to help, this somebody decide to go and play with stars then definitely it not worth it.

What make internet and world around us a worse place is not some worlds. But people like you. Well this case is not terminal one actually, this is at least 4 stars. (But the reality is that you actually decrease the average, and this is forever, and as so actually this things will not be found for around one hundred people, also, never). But you not the first who come with such a genius strategy here (and in my email). Go look at some 1 star reviews. They all have something in common actually. Not the reviews, but definitely the people behind them. 

> I'll upgrade my rating to 5 stars (from 4) if this is implemented ;)

People like you make support so much a nice work. That's was so much pleasure to meet you there. Go maybe set even 1 star rate. This will make me feel even better  and motivate to work even faster to release this so genius feature you propose.

in theory there no needs to restore everything if you not  plan to read the tabs content immediately  So my advise - try to restore only the tabs you plan to view immediately. 

Of course i understand that it is easy to say then form such a habit...

UPDATE

OH, THIS IS SO FUCKING NICE IDEA. OF COURSE IT WILL BE IMPLEMENTED!!! HOW CAN LIVED WITHOUT THIS BEFORE. YOU REALLY OPEN MY EYES!!!!

PS People like you make support so much a nice work. That's was so much pleasure to meet you there. Go maybe set even 1 star rate. This will make me feel even better  and motivate to work even faster to release this so genius feature you propose.

in theory there no needs to restore everything if you not  plan to read the tabs content immediately  So my advise - try to restore only the tabs you plan to view immediately. 

Of course i understand that it is easy to say then form such a habit...

UPDATE

OH, THIS IS SO FUCKING NICE IDEA. OF COURSE IT WILL BE IMPLEMENTED!!! HOW CAN LIVED WITHOUT THIS BEFORE. YOU REALLY OPEN MY EYES!!!!

So i try to speak to you honestly, instead what i am accomplish is this:

> I'll upgrade my rating to 5 stars (from 4) if this is implemented ;)

So you use this stuff, completely ignore really small request  to help - only a fee mouse click actually was asked, not a donation, not anything, only few mouse clicks. instead what you really do is a decrease the average rate  And all this is to come here and trying to squeeze something from the author. 

Thank you, I think this will teach me something....

Also take note that you can put Groups and Windows inside other windows (as sub-nodes). The tabs which will be inside Group will not be restored during parent Window restoration. So you can simple put tabs you did not whant to restore inside Group or own Window inside the original window. Or differently - put only the tabs you want to restore inside the Group in original window and restore  only this group, not a whole window.

This also seriously conflicts with some other use cases. For which the restore all semantic is needed. So, my regret, but seems you will remain a faithful Firefox user ; )