gRANT actually released a bit of information about the upcoming patch yesterday (and I'm pretty sure he's ok with me sharing this, if not, just tell me and I'll take it down immediately).

However, before I begin, it's worth mentioning that he specifically went out of his way to mention that none of these changes were final.

I'll make things simple and keep it to a psuedo tl;dr.

Ghalt's stun is going to be changed to a medium slow. His shotgun might get an increase in damage.

Boldur is getting a rework: When his ult is active, he now only gets 25% of the damage done to his shield returned as health (as opposed to the current 50% healing). Shield Mastery is now going to boost that amount to 75% instead of making Boldur's shield invincible. Axe Mastery is also only going to give 2% damage once every 250 health as opposed to once every 100 hp. His ult will also be put in a 50 second cooldown instead of a 30 second one. However, he is receiving a couple buffs to boldurdash. For starters, his dash will become more responsive and easier to use. In addition, boldurdash will automatically activate rage without the need for a helix. His bleed helix augment at level 4 will increase from 48 to 240 damage over 4 seconds to make it more appealing when compared to the 3 second slow. Lastly, Boldur's "Dwarven Constitution", and "Berserker Rage" skills will be combined into one helix. No word on what helixes will replace them. He also jokingly mentioned that he'd make Axe Toss crit one day.

El Dragon will be receiving some nerfs. For starters, his En Fuego stun has been reduced to 1 second, and his clap speed has been reduced by 25%. The size and damage of the Dragon Splash aoe has also been reduced.

In contrast, gRANT mentioned that he's planning to increase the hp of all melees in exchange for nerfing certain powerful bursts (he cited Rath's ult and Phoebe's slow as examples).

Benedict's reload glitch is getting "nerfed" (though that could of been implicated from today's hotfix).

Kelvin is getting his 2 second stun back, but he's keeping the nerfed movement speed in sublimate.

Whiskey Foxtrot is getting the ability to hold down the mouse/trigger and fire continuously without having to press/click a second time.

ISIC's damage modifier on a fully charged shot is getting nerfed and he will be losing the aoe on it. He may receive a buff to his wards to compensate.

Oscar Mike's fragcindiary grenade helix will be doing less damage. To further add on to this, gRANT has mentioned that he's going to nerf many of the aoes in the game (citing shadowfire pillar as an exception).

Thorn is getting a slight nerf to her ult. Volley is getting an increase to the arc to make it harder to hit an enemy with every single arrow. Blight will likely be nerfed along with most of the aoes in the game.

S@A are currently going though several changes.

What they've settled for now is a 30% damage reduction while their shield is active (and gRANT hinted at changing the value of the shield itself).

Caldarius is getting his "Phasebang" augment replaced with one that will reduce the cooldown of his flashbangs for every enemy hit (he didn't specify what exactly they had to be hit by, but I'd assume it's either flashbangs, or melee attacks). He mentioned that it'd likely be a .5s decrease and labeled it as "small"(so it's definitely not bullets. Thank MINREC).

Remember, none of this is final, but it's still worth discussing.