Blender E-Cycles X Pro RTX 2021 2.93.6+3.0 stable + 3.1 alpha Win/Linux (v20211213)

There is 2.93.6 and 3.0 stable, 3.1 alpha all the way back to v20211119 with full Linux support for all versions and all provided tutorials

Original description:
The fastest and easiest photorealistic render engine for Blender. A drop-in replacement, 100% compatible with the Blender/Cycles. You can use all your materials and add-ons while rendering at the best speed available on the market. Features state of the art denoising technology (now including new generation AI Animation Denoising for up to 8x faster animation rendering), a streamlined UI for ease of use and fast workflows, Light Collections and Light Linking for fast and precise lighting setup, and much more.