They found parade uniforms in those tanks that stalled out on the way to Kjiev.
They are not a reliable source.
The only question is when to start. And I think May 2023 was probably the critical point in the war. That was shortly before Bakhmut would fall, and also shortly before the Ukraine counter offensive would be launched and also ultimately fail. The war was arguably effectively decided by July 2023. So here are state media from May 1st 2023. You can skim forward using the widget in the top right corner.
RT : https://web.archive.org/web/20230501115431/https://www.rt.co...
Kyiv Post: https://web.archive.org/web/20230501000808/https://www.kyivp...