We never got a non-vague statement on how exactly they plan to deal with the 1.10 gear (i.e. which 1.10 items will be gated and which won’t be - they just said they identified powerful items, again vague), what they plan to do with gear that already existed but was updated in 1.10 to be extremely good (better than MC/BWL gear) and will be available in Phase 1, etc.
You can read my post here where I summarized it Progressive itemization is crucial or character/raid progression is compromised