Great update with great additions as always! π
Every single one is great for itself, but if I would have to pick only one - it would be the "Links!"
Regarding the "Floating bar with the tags, date, author, and upvotes" - my suggestion would be (if it possible) an option to hide what might be useful in cases when writers post some larger photos or e.g. Blog Graphic - the image which common size is 800 x1200 px, just to reduce the covered part and be able to see it as much as possible.
When it comes to other links I would like to see listed under the "Links," here is my wish and suggestion list:
This is a great suggestion. Glad you thought of it.
Thank you, @joalvarez! π