Tier 20
Legion Timewalking will reward recolored Tier 20 sets in patch 9.1.5
When I initially wrote this post, I said it was possible that Tier 20 sets from Tomb of Sargeras would return in some form once patch 9.1.5 goes live and Legion Timewalking brings the 2016 expansion's content to Shadowlands.
More WoW class tuning coming before Tomb of Sargeras
Blizzard just announced a mixed bag of nerfs and buffs that will be arriving with the next maintenance on June 20 — so they'll be live just in time for the opening of Tomb of Sargeras.
Tier 20 set bonuses get their first round of tuning
Even though the Tomb of Sargeras and accompanying Tier 20 pieces don't release until next week, the first round of changes to the upcoming set bonuses went live with yesterday's patch (but didn't make it into the patch notes).
Spiritual Guidance: Set bonuses and legendaries in patch 7.2.5
The PTR has been hopping with updates and getting tweaks here and there, but it seems the big changes are in and here to stay while the specific numbers may change slightly.
Lightsworn: Revised Holy Paladin Tier 20 set bonuses revealed
Ever since Patch 7.2.5 hit the PTR, Holy Paladins have been expressing serious concerns about our upcoming Tier 20 set bonuses, which required us to target injured, low-health friendly targets before casting Light of Dawn.
Lightsworn: Changing your healing style to match tier bonuses
I love getting new tier sets.