System Information
Operating system: Linux
Graphics card: 1080 GTX

Blender Version
Broken: 012483b6e4a1

Short description of error
EXR files of frames rendered using Border don't contain the following entries:

• cycles.View Layer.samples - this causes operators like bpy.ops.cycles.denoise_animation() to fail.
• capDate - no idea what the difference with Date is, just adding here for completeness.