I've quoted the entire message because I'd like the OP to read my reply. Fair warning, I've not read others' replies so take this for what it is, not what it could have been.
The purpose of Halflings or Hobbits is to quantify the reluctant adventurer and to amplify the social structures that...
I tend to read the dmg of whatever version Im running before I start a campaign. Same for the PHB as a refresh. A good technique to get in the habit of is to post it note pages that have options you want to use or rulings you want to make in advance such that your campaign primer covers it for...
To be fair, earlier editions were also clear. Many play D&D as if it was presented in Readers' Digest or Cliff's Notes format regardless of what's in the books proper.
That said, you'll do as you always do. The publishing standards here are pretty high.
Have to ask due to the notes about movement -- shall we expect that the combat rules will provide options for grid combat that will appease the wargamer in me; but not go as all-in as 4th edition did?
(I'm one of the minority that prefers 4e to 5, I know, silly boy)