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Animation & Rigging: Active Keyframe¶

History:

Introduced in Blender 2.91
Active Keyframe: D7737
Copy (from active) to Selected Keyframes: D7783

Description¶

Just like objects and bones, keyframes can be selected. The last-selected keyframe is considered the Active Keyframe, and is highlighted in a different color.

The Active Keyframe determines which keyframe properties are shown in the properties panel. It also allows "Copy to Selected" functionality, to copy properties from the active keyframe to the other selected ones.

Functional Requirements¶

Each FCurve can have zero or one Active Keyframes.
The Graph Editor as a whole should only have one active keyframe, which is used for responding to property changes in the property panel. For this it uses the active keyframe of the active FCurve.