All quests do not give experience (Green and probably? Blue)
 

Looks like all quests are not giving experience since the last patch that disabled the Paw scroll quest turnin guy for level 50+ players for a month on Blue (likely for Kunark release). Looks like quests that even give minimal experience are broken.

Current quests that I have tested on Green:

- DF belt, warriors guild West Freeport
- DF belt, FP militia West Freeport
- CB belt
- Newbie hand-in Tunic in Felwithe Paladin's guild.
- Muffin turnin in WFP

Current quests that I have tested on Blue:

- Newbie hand-in Tunic in Felwithe Paladin's guild.

Seems its intentional (atleast on Green)

https://i.imgur.com/0EZ3Zcp.jpg

It's intentional for kunark launch because some naughty players filled up hundreds of free alt accounts with quest turn in items in an effort to bypass classic leveling of kunark launch.

I've heard rumors it will last until ~Dec 6th, aka 1 month after launch.

It's not classic however.