Sorry to lump them all together:
|Release time frame|
We have made updates in regards to the suggested Notebook improvement around updating web pages. When content has changed for any slides, the "update web page" button will be available.
In regards to logo and branding updates, we understand the concern and do have plans for future updates which will allow for greater flexibility. This is related this idea: https://big.ideas.aha.io/ideas/APP-I-512.
We will marked this idea as shipped in regards to the update web page functionality and suggest that you subscribe to Notebook idea mentioned above to stay tuned for future updates in that area.