Spell particle effects are extremely complex. The pre-luclin ones are working on eqmac if you delete the spellsnew files.
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However, even if you play on a mac and don't delete these files the healing effect and a few others will be incomplete. The effect now looks like the healing you see on this server, just two blue streams from hands and a ring of blue around the target. My suspicion is that it happened after they updated to their newer Intel client which may be based on a client that used the revamped spell effects that live uses now. The way the broken healing animation behaves is similar to the behavior of the bright white cloud-like healing effect the live servers use with the casters hands having particles and the target getting one rising particle effect. It must not even be easy for them to fix.