1.6 Are melee Magika attacks based off weapon or s crit?

SRIBES

I know they made staff abilities spell power and magika based i'm wondering if they changed the way melee magika abilites crit works.
Specifically concealed weapon/flame lash

Merlin13KAGL

Other Major Gameplay Changes

• Synergy abilities now scale off your highest stats that are either stamina or magicka based.
  • Ultimates and Synergy abilities now always scale of your highest Critical Strike stat instead of just your Spell Critical Strike.
  • Abilities that cost magicka will now always scale off your magicka, spell damage, and spell critical strike stats.
  • Abilities that cost stamina will now always scale off your stamina, weapon damage, and weapon critical strike stats.