Limitation of using drag and drop Images in GitHub readme. md?

Limitation of using drag and drop Images in readme.md?

One I am aware of is the size limit that no image size should be >10 MB. Are there any other limitations when using this (for example: retention period, storage capacity, etc)? I want to link those images outside Github.

I am aware of uploading images to the repository and linking by

[image](./path/to/image/image.png)