recommended addons?

[mopiko]

Are there any must have addons that we should install?

[Transfermium, Rep. of]

It depends on what you're looking for IMO - there really isn't any 'must have' addon, and many of the ones I liked in 1.12 haven't been ported.

[MerlinCross]

I'd have to double check what's in but may I make a Suggestion?

To Lands Unknown

It's the Mod they showed for a second in the trailer. New Campaign with a new faction to play with, new setting, and new enemies. Have at it.

[VWXZ]

Bad moon rising (& trinity when it gets ported). BMR is an amazing campaign by doofus-01 that I have followed since version 1. The ones made by dugi are all of a quality but you have to commit to a long af campaign sometimes. Loads of the best ones havent been released on the newest wesnoth but when they show up try the ooze mini-campaign, inky's quest - both fairly easy but well made - or the Underness series which starts with the Desolation of Karlag and can be pretty tough in places.

[Murgen]

As has been stated, many of the best add-ons have not been updated to this version of Wesnoth yet. Of the add-ons that have been updated, I also have to recommend "To Lands Unknown." I remember playing it a few years ago and it was pretty fun (have not tried it with this version of Wesnoth though).

[Goritude]

How do we known an addon has been updated to this version of Wesnoth ?

[Konrad2]

You click on 'Add-ons' and browse the list of avaible Add-ons.

[Rezonus]

I recommend Switch Leader, it lets you switch your leader unit, handy if you want your leader unit to be a fully upgraded unit without risking its life in battle to get there, or you know your leader is about to die.

[Delicious Zixmix]

Swamplings is also a classic campaign that has been around for many versions. Who wouldn't wanna play as goblins.

[Transfermium, Rep. of]

I'll suggest some addons I like that've been ported:

Eastern Europe at War (pretty fun era [group of factions] based around the historical 17th century wars of the nations of eastern Europe. Also Winged Hussars. Who doesn't like them?)

Ageless Era (a collection of most - not all, as some authors didn't give permission and others don't really fit - of the game's various eras, but rebalanced against each other)

Imperial Era (set on the fictional world of Orbivm and their totally-not-Romans; a few campaigns by the same addon team using the era exist and I recall seeing some that were ported)'

Era of Magic (required for To Lands Unknown, and takes place in its setting. inferno8's artwork is amazing, and that's not to mention the panoramic backgrounds and terrains in the maps of TLU)

18th Century Warfare (following the themes of historical eras, this one is based on the armies of the 18th century)

Infantry Wars Era (Basically CS:GO as two factions. It's pretty interesting)

As for campaigns and MP scenarios, I'd say that Genesis was great (and it's the spiritual successor to IftU/AtS, two great campaigns that haven't been ported), and Ashen Hearts/Oath of Allegiance should be checked out if you like Drakes/Dunefolk respectively and want a campaign about them.

[Vazl]

A lot of ye olde addons haven't been updated for 1.14.1 yet :(