1. When holding shift, price in merchant inventory is not shown as quadrupled anymore Fixed in 1581

2. Lots of text (ability cooldowns, etc) is now green where it wasn't before Confirmed as feature

3. Quest book is not loading quests in alpha 54 Fixed in 1581

4. Press SHIFT to continue message is now shown in chat instead of artemis Fixed in 1581

5. Because of aforementioned bug, the dialogue of entities which should persist disappears after some time Fixed in 1581

6. Sometimes random hostile mob bossbars are colored green (aka peaceful mob) when they aren't. Probably because of 2

Partially closed by #1581

I am not so sure about 6., do you have a concrete before - after showcase?

No, it only happened to me once sadly, and I killed the mob. I'll report again if it happens.