Unlike uBlock, uMatrix's logger defaults to "all" instead of the page where the logger was opened from

[Rukachan]

Making it difficult to select the correct site when many tabs are open, especially if they have similar urls/titles.

[Rimmer7]

The uMatrix logger overall is less useful and flexible than the uBlock logger.

[gorhill]

Yes, it needs work to bring it on par with uBO's one. Another thing missing is the the rule which caused a request to be blocked/allowed, that would be useful too.