Regarding the proposed Zeke's Herald remake...
Don't do it. Just don't. At least don't convert Zeke's Herald into this new tanky AP support nonsense item. If you don't want to retain the "AD aura"-type item, then delete it and create a new one, but don't remake it into something that has absolutely nothing whatsoever in common with any previous form of it (man, I still miss Stark's Fervor) and also has needlessly-complicated mechanics.
Personally, I think the proposed item itself is pretty dumb. You turn yourself into Kalista-lite, tying yourself to an ally and giving you both timed boosts of massive power (50% crit strike and 20% AP for 6 seconds) that occur more often in combat as long as you remain joined at the hip. The problem is twofold: firstly, balancing it is going to be a logistical nightmare, resulting in yet another case of a support item that will be bought by everyone when it's provably overpowered and completely ignored by everyone when it's not (like the Ardent Censer and the Ohmwrecker). Secondly, the item is just not going to be valuable to the support except as a mildly convenient source of HP, AR and CDR. What is a support going to do with a 50% crit bonus and a 20% AP bonus? Despite everything they've tried, Riot just don't seem to get that supports don't get much AP (not good supports anyway, not unless the game goes up to 60 minutes). Giving supports AP scaling on their utility, releasing items like Twin Shadows, Frost Queen's Claim and Ardent Censer- none of it matters because (good) supports will ALWAYS just get the everpresent Sightstone and occasionally Mikael's Crucible before buying cost-effective tank and countless wards, because supports still don't get to buy luxury items.
But that's all beside the point. The point is, why is this being done to Zeke's Herald? Originally the item was called Stark's Fervor and was like an AD equivalent to Abyssal Scepter- it gave an AS, LS and HP5/sec aura to allies and a -20 AR debuff to nearby enemies. Then they toned it down to just an AS and LS aura and gave it CDR and renamed it Zeke's Herald. Then they removed the AS altogether and made it an AD aura instead. Now they're basically completely scrapping the item and replacing it with something that has absolutely no similarities to any prior version at all. Hell, now it's an AP item rather than an AD item (it was previously the ONLY AD support item)! Why not just put it away with all the other removed items like Force of Nature and Atma's Impaler and create an all-new item with a new name and a sleek new icon instead of clinging pointlessly to the rather obsolete red flag? There's no point in continuing to call the item 'Zeke's Herald' because it isn't Zeke's Herald any more.
confirmed. (Do not nerf Yasuo because of this item.)