What does Warsong Runner Update reward?

Warsong Runner Update gives Warsong Runner Update outright.

What level is Warsong Runner Update?

Its level has not been recorded yet; it shows once a player accepts it with the addon running.

Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

World of Warcraft: Forever · quest · new since Classic Era

A quest in World of Warcraft: Forever in Ashenvale and turned in to Warsong Runner. Recorded by 1 player running the addon.

Level, giver, pay and objectives show once a player with the addon accepts the quest.

Item	Given	Item level	Vendor sell
Warsong Runner Update	outright	1

What does Warsong Runner Update reward?: Warsong Runner Update gives Warsong Runner Update outright.
Where does Warsong Runner Update start?: It was picked up in Ashenvale.
What level is Warsong Runner Update?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Warsong Runner Update new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Ashenvale