The past three games I've been in have just shown what my link is. My grade will never load and just spin on & on. It sucks because I really want to know how I was doing. :( If you could somehow tell me how my past few games were that would be nice!
Thanks everyone!
Same thing happened to me! I'm especially mad since I went 37/5/10 as Akali, with over 80 percent kill particitpation, and player with the highest cs, and I'm pretty sure that's an S right there. Please fix this soon, my friends and I want some chests!
Proof with the weird buffer thing: http://imgur.com/6SNkH7o
I believe that only happens when you get an S-, S, or S+ grade, and is an indicator that you got a chest or key fragment. It should have popped up with a notification that you did, otherwise it might be a small bug.
Just so everyone knows, you do receive the S score if you are the one who earned it. You can see this by going to "Champions" tab and hovering over your champion, it will be visually apparent you earned an S score and a Chest on that champion even before hovering. You get both a Chest and a Key Fragment, I just earned 2 back to back S performances and both times I received my rewards. It will say in chat that someone earned a Key Fragment, if someone is in your party, they will also earn a Fragment.
Yeah, I got the same issue. I got a key fragment that game so maybe its a bug related to when you get keys?
I went 15/2/19 with 
, I'm fairly sure that's an S rank. somewhere in the S rank at least. My icon kept spinning and i even waited more than 5 minutes for it. If I got a chest it didn't say anything. I went to my hextech tap and i had no chest. The same thing happened when I went 16/1/8 with kindred. I'm kind of mad. Please fix
[zombie-brand-clap]
Happened to me every game so far.
It says in chat is someone gets an S. That'll have to do for now.
Thankfully, I actually managed to know it was me who got some form of S ranking on my last game, because of an odd pick I made for top. Yay for Taric carry!
(Seriously, when a Vi has to, several times, gank and FAIL each time for a Nasus, that's generally a sign that you did well.)
Why is this happening Riot pls notice
Just happen to me as well. If it turns out I got an S rank then I will be pissed.
Happened to me too.... https://gyazo.com/93702be405327da0aa0a1c151292038f
I have the same problem. Received a key fragment. Can't see grade.
I've had this happen in every game I've had tonight. I've had a couple games where I think I would have gotten an S, but I don't know for sure. I more want to know just so I can see how I rated because I like to know, but also knowing if I could have gotten a chest would be cool. (I did get a chest because a friend of mine got an S- in a game, though, so it doesn't matter if I get one or not for the next few days.)
Yea i have this too, it just started today
agreed no one can see grades anymore
A friend and I had the same issue after one game, and another friend did had this happen in a different game. We also discovered that the notifications for S-rank performances did not show up in the chat text when this issue occured, but chests were still awarded to our accounts indicating that at least one player in our group received an S-rank.
Hey guys!
Spoke to Loot friends and they said that there should be a fix for this going out soon! ^-^
Hey guys,
To add a bit more detail; we found a bug with the timing of processing loot and champ mastery scores at end of game; your score and items aren't lost but sometimes will not show up. We've got a fix for that we're aiming to get out off peak today that will fix the issue.
Thanks, -Chager
I'm having the same issue except mine doesn't even show the buffering circle, my screen is just blank and I haven't been getting Hextech rewards when I do well or when teammates do well. The only Hextech loot I've gotten with this bug is mastery tokens, but that doesn't even really count.
NECRO
this is still happening
I just had this happen to me in what I think should've been an S rating. I was playing with a friend and both of us were dropped to the Home page after the game. I was stuck with the Skip Stats button and when I clicked it, no ranking for me. 10/0/27 Morg ARAM.
I had the same It didn't even show up in my match history. (Picture of my match history)
This just happened to me while I was in a two-man premade. I got a chest for that game, but I'm not sure if it was for me or my partner since we both had good games, so I am not sure if I can still get another chest with 
or not.
You better hurry and get your grades before report cards come in.
I have this problem, but I've noticed it's only when I'm positive I'd get an S rank. All the other times A and below show up no problem. But times when I went 24/2/11 and 16/1/15 as Trundle, they just keep spinning and never show the S rank, which in turn never gives the hextech crate.
Im getting it every game. Really annoys me.
I'm having a similar problem. For some reason, the client is having problems processing post-match info like that, stating "processing league info" or something, so it won't show my grade.. I'm wondering if it is also causing some sort of bugged interaction with the chests and keys because yesterday, someone in my pre-made party earned an S grade. Both him and my other party member got a chest and I received nothing despite also being in the party. I didn't even receive a key (We all use the same internet and are on ethernet by the way). So I wonder if the lack of info/grade processing is causing the client to not also process the chest and key loot. On top of that, it also won't show my my LP after a ranked game. Nice to know I'm not the only person with this problem.
Past 3 games I have gotten key fragments, but all 3 games have been experiencing the same bug. The last one I think I might've played well enough to also justify earning a chest, but I did not receive one.
Edit: Wow weird. After the game I did not receive a notification about earning a chest, but oddly enough when I clicked the x in the top right of the league client to exit the client, it immediately popped up congratulating me on my chest. Super weird stuff going on.
This is the official answer:
Network Operations – 4:07 PM We are aware of issues with post-match grades and are investigating. Loot is functioning as expected. 4:07 PM Network Operations — Post-match grades (S-, S, S+) are not displaying properly, but associated Hextech rewards are being processed and delivered as intended (possibly with a slight delay).
.
But in that case makes it seems like only S- S and S+ ranks are bugged, i did happen to have the bug on good games but i didnt get a chest, i think u do get bug at A ranks etc also, or i think Rito ows me chests!
every game so far that i feel i've gotten an s- grade or more is not showing up on screen, but if i have a+ or lower its shows. I've tested it, and I've also waited for results and it never shows up thanks for the waste of time. LoL look at my match history and fix this i'm f________g mad and i dont know why my friends are getting there grades sometimes
Only seems to happen to me when I earn a key, and have heard the same from other players.
I'm having this issue as well, it just spins and spins.... and spins. I don't get any of the "Hextech Loot Popups" That other players are mentioning either. It mentioned I got a key fragment in chat, but that's about it. Really wish riot would beta test this stuff further, some kind of really nasty bug seems to crop up affecting a lot of players every time they add/change even the smallest thing about the AIR (probably the problem) client.
This has happened ever since I started playing on patch 6.5, and in pretty much every single game.
Have you ever (or at least recently in the last few months) been on a game/chat restriction? I was about a month ago so now not getting a Grade or any Loot either. Check out my posting and see if similar. If yes, when please vote to help get attention to the problem. Thanks! Click HERE to go to my related posting
This happened to me, but after waiting a few minutes my grade showed.
I have played 2 back to back games with my friend and scored an s in both, he has gotten a c in both, he recieved a chest in both games, and I received 0 chests. Why is this? what can I do to fix?
This is happening to me too, but exclusively when I play as Kindred.
The past three games I've been in have just shown what my link is. My grade will never load and just spin on & on. It sucks because I really want to know how I was doing. :( If you could somehow tell me how my past few games were that would be nice!
Thanks everyone!
Same.
i just had the same issue when i minimized and maximized the window it loaded but what still concerns me is that i had an S rank and it never displayed in the chat log 
