Gaffer 1.3.16.7

[johnhaddon]

Fixes

• ImageReader : Fixed crash caused by invalid OpenEXR multiView attributes.
• LightEditor, RenderPassEditor : Added missing icon representing use of the CreateIfMissing tweak mode in the history window.
• Slider : Fixed bug where two undo steps were needed to get back to the original value when dragging.

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This discussion was created from the release Gaffer 1.3.16.7.