A few undocumented changes (or bugs) occurred to dungeons and raids on the Weekly Reset that may be important for groups to know.
On Mythic Neltharion, the 2nd Corruption lines up with Volcanic Heartbeat.
For groups on farm, this likely isn't that big a deal. For groups on prog or who are unaware of the change, this has a chance of increasing RNG wiping if bad players get picked for Corruption and overlaps as players under Corruption cannot be healed and need to spread,
You can see some examples of logs by clicking here and here.
The Uldaman Timereavers were announced to have the following nerf applied:
This does not seem to have happened. Instead, the damage of Stolen Time has been nerfed by 60% instead.
You can see this example in a log here.
In addition to all the other changes to the Halls of Infusion dragons today, a weird change was made.
Not sure why this one was made but it's a slight nerf to Tauren's Nature Resistance I guess.