UV Smart Project operator removed from object mode with no warning or documentation breaking python API #83038

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.38

Blender Version
Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: 0f45cab862
Worked: (newest version of Blender that worked as expected) version: 2.90.1, branch: master, commit date: 2020-09-23 06:43, hash: 3e85bb34d0

Short description of error
The UV Smart Project Operator has been refactored into C code as per https://developer.blender.org/D8311
In the process the operator has been changed so it no longer works in object mode, breaking any add-on which calls it in object mode. This has not been documented in the release notes and isn't mentioned anywhere in the diff.
Returns the usual RuntimeError: Operator bpy.ops.uv.smart_project.poll() failed, context is incorrect

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]
2.90.1 Run uv smart project in object mode on default cube - Success
2.91 Run uv smart project in object mode on default cube - Fail

Added subscriber: @richeyrose

Changed status from 'Needs Triage' to: 'Confirmed'

Added subscriber: @ckohl_art

Added subscriber: @Blendify

Changed status from 'Confirmed' to: 'Resolved'

Yes unfortunately this was missed in the release notes, however, the User Manual shows that the tool is meant to be run from Edit mode like the other UV unwrapping operators..

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UV Smart Project operator removed from object mode with no warning or documentation breaking python API #83038