On large projects, making any material then saving it will freeze the editor for multiple seconds. This also happens with other types of assets, but its materials that its the most time consuming, as shown in the video below
Steps to Reproduce
Make a large project with more than 50% project size
Bumping this again, this is one of the most serious issues in the engine, possibly affects UE5 too. Everytime you save, the editor will freeze for few seconds. I ve also heard from other creators that saving causing UEFN to crash.
The editor needs to not freeze on save, because it happens every few seconds and stops the flow of development