What comprises the list of all new player options (races, archetypes, feats, spells, etc.) in the book?
The +2 is necessary.
The issue is the flavor that the mechanics defacto establishes. The problem is 5e transmogrified the diverse elf traditions into a mundane creature that excels *physically* (+2 Dexterity) but is only average mentally and magically (+1 Charisma, Intelligence, or Wisdom). In 5e, recall, average humans get +1. The flavor of +1 is average.
The elf who is innately excellent at magic (+2 Charisma, +2 Intelligence) is officially dead. This elf that goes back to 1e grey elf, that exhibits extraordinary *mental* affinity for magic, the 5e designers murdered this tradition. (In 1e, +1 Intelligence was a big deal, often considered broken, because of the resulting benefits to spellcasting.) This elf archetype that is all about magic remains valuable to me.
WotC, retcon lore. Noooooooo, say it ain't so.
Honestly the posts you have been making kind of make me feel you are currently unwell. As if you were off some medication or something.
Regarding the 5e elf lore.
First, the designers heighten the transgendered nature and origins of the elf.
Then, they say, the androgynous parent is a terrible, unfit, parent.
Then they damn their souls.
The book, Mordenkeinen's Tome of Foes, is kinda homophobic.
Enworld is a place where we the gamers can review products.
There are products that I like. There are products that I dislike.
5e just published a product, Mordenkeinen's Tome of Foes.
That product deeply disappoints me.
I am unsatisfied with the direction that the designers are heading.
The designers destroyed an important part of the D&D tradition that I like.
The designers fail to write rules-as-written that assist me in customizing options to build settings and characters to recover from the damage that the designers did.
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Turning disagreements into and ‘us’ versus ‘them’ groupthink, is part of why 4e failed.
Regarding the 5e elf lore.
First, the designers heighten the transgendered nature and origins of the elf.
Then, they say, the androgynous parent is a terrible, unfit, parent.
Then they damn their souls.
The book, Mordenkeinen's Tome of Foes, is kinda homophobic.
Where the heck are you getting all that? Is there some new Corellon Lore that I missed?
I'm not trying to turn this into groupthink.
I've seen at least two times in this week where you have posted about how the direction of 5e is ruining your fun and play experience.
I don't use EnWorld to review products, I use it to have discussions about products. What discussion can be had with "The heavy-handed conformism is suffocating my enjoyment of D&D."? Sorry about your loss? It isn't my experience?
And let me look at some of your other points here:
"The designers destroyed an important part of the D&D tradition that I like"
What am I supposed to say? Better luck next time? It isn't as destroyed as you think it is? Sorry that the thing they decided to do 4 years ago is still a thing they are doing? There is nothing useful to say here, the game is ruined for you, well, then you either have to fix it or give up the game. I used to love the Assassin's Creed videogame series, when they made stupid decisions that ruined the story for me, I stopped playing.
"The designers fail to write rules-as-written that assist me in customizing options"
-And this one... I guess I start with you're wrong? That's going to lead to a fruitful discussion. Pointing out that DMG 273-289 is all rules for changing just about any aspect of the game you want, including specifically, monsters, PC races, classes, magic items and probably more I skimmed over. You'll probably follow that by telling me how those rules are crap, but even if that is true they explicitly exist for the purpose of "assisting [you] in customizing options" so... great discussion. I'm sure you've never heard any of this before and it was useful to you.
If you want to have discussions or seek advice, then that is wonderful and that is what I feel like this community is for, but that is never what I've seen you go for on this site. If you want to make a race that has +2 charisma and +2 Intelligence so that elves can be the most powerful of spellcasters, DO IT. Seriously, it won't even be unbalanced to a noticeable degree. I could write up something right now and hand you a bunch of mechanics that would make elves super-magical.
But, you'll tell me that what you really really want is for it to be officially published in a book. Well, that boat sailed. All elves start with the stats listed out in the PHB back in 2014. That is not going to change. Heck, I can flip open my 3.5 PHB and Elves primary ability is listed as "+2 Dex" and that is from 2003. If it has been their policy for 15 years, I think it is going to remain their policy.
The rules and permissions to create your own content exist. WoTC really can't give you much more in that arena, especially as some of the UAs also included discussions on balancing feats and new races. Homebrewing lore for your own settings has been the norm since the game first came out. They don't even need a blurb to tell us that anymore, it is expected of the game. The only thing you are not going to get are specific mechanics published in a book to your exact specifications. And if that is what you want, you are just going to be bitter and angry about it for the entire run of 5e. And personally, if that is the future you are looking towards in this game, then I'd say you are better off quitting now while you can still say there are aspects of it that you like. At least that way you have the memories.
Where the heck are you getting all that? Is there some new Corellon Lore that I missed?