Here are some of the updates and improvements introduced with the Midjourney V5.1 upgrade:
However, for users who prefer the "unopinionated" approach of V5, V5.1 also includes a RAW Mode, which is unopinionated and allows for greater control over the final image, but it's turned off by default.
The upgrade also brings improved interpretation of prompts, especially in terms of photo composition. For instance, there have been improvements in the AI's interpretation of prompts related to camera angles and depth of field.
In terms of specific improvements to image types, there are a few notable ones: