Hello.
I noticed that version 14.0.0 and 14.1.0 in the miner window are shown the same, but on the pool version 14.1.0 shows less speed than version 14.0.0.
I had to go back to version 14.0.0, it is better than new.

Window 10 2*1080 Grin 29

https://yadi.sk/i/3qN2U7w1M3x8jg