I noticed a small bug where the Gloom Stalker's darkvision doesn't stack if you have a race with darkvision and are wearing an item that increases your darkvision like Goggles of Night. I tried with a half-elf Gloom Stalker which should have 60 ft darkvision from the racial trait, plus 30 ft from Gloom Stalker and an additional 60 ft from the goggles. Yet when equipping the goggles, the character sheet only says the character has a darkvision of 120 ft instead of 150 ft.

This is still not working as of today. Wood Elf has 60 base, +30 from Gloomstalker, +60 from Goggles of Night. I should have 150 ft darkvision, but it's only showing 120.

The mechanic is still broken.

That being said, you can get a shadow sorcerer to have 120 darkvision then add the goggles of night and it adds to 180. 

Umbral Sight is the broken mechanic. Updated said shadow sorcerer and multi-classed into ranger gloom stalker. dark vision stayed at 180. should have bumped up to 210 with Umbral Sight.

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Quote from Silvervein >>

It is over 4 years since the last post to this thread and the mechanic is still broken. <bump>

 It's been 10 months since a staff member said they'll pass this issue along to the team and 5 months since the last post.

The thread itself is only 10 months old. Where are you getting 4 years from? Did you maybe reply to the wrong post?

My bad I looked at the Join Date vs the post date. Correcting my post, thank you for pointing that out!

Thank you!

The bug appears to be fixed. My ranger now shows 150 for darkvision. I'm not the original poster so I can't mark as solved.