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The voice input mode has been updated from a fixed "Hold Space to record" trigger to a configurable push-to-talk system. The voice mode setting is now voice:pushToTalk and supports space or modifier key combinations like meta+k. The prompt text changed from "Hold Space to record" to a generic "hold [key] to record" that reflects the configured key.
Evidence
Voice mode config (search for "voice:pushToTalk")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.