Just picked them up, and skimmed through them.
Glitterdoom.
Kinda linear and short. Basically, dwarf hires you to help him clear out ancestral/cursed mine from the weird cursed undead dwarves and maggot-things that're infesting it. Undead dwarves are basically lightweight wights that can walk through stone and calcify you instead of draining you, and the maggot things are curse-transformed dwarves that aren't real clearly described, but they spit acid and can squeeze through small places. They're described as segmented grubs with six legs, but the picture is of a semi-humanoid grub-thing.
The stats and stuff are kinda wonky, as is to be expected at this point. Some edits to the stat blocks should take care of that, though. The new dwarven subrace makes sense, but I'd rework the Trailblazer ability to give advantage on Wisdom (Survival) checks to avoid getting lost instead of the "considered proficient" and double proficiency bonus thing. The Refugee background is kind of a cross between the Outlander and the Folk Hero.
The Fey Sister's Fate
Again, pretty linear. Bit more complicated than Glittergold; frogpeople (off-brand bullywugs) have poisoned a local fey; she tries to get heroes to help her and avenge her dead sister. There's a whole deal where she's charmed some townsfolk and you have to deal with them to get to her, but that's mostly just obfuscation of the quest start-up.
Usual understandable stat wonkiness. Some interesting stuff with sub-breeds of frogfolk, gives the off-brand bullywugs some variation. There's a couple of new spells (I think Necrotic Miasma probably should be a necromancy spell instead of evocation, but whatevs). The new background (Born Leader) is kind of rudimentary, and I think the Feature is kind of overpowered (Persuasion checks are all done with Advantage).
Overall, the adventures seem like they could be fun for a quick session or two. And they offer some seeds for further development. I'd give 'em a high C/low B grade at this point, with the hope that once everybody's back from GenCon and the rules have had time to gel for everybody that these will get revised.