[2025-11 CWG Motion 1] P3921R0 DR issues

[jensmaurer]

https://wiki.edg.com/pub/Wg21kona2025/StrawPolls/p3921r0.html

except issues 1670, 2917, 2923, 3005, 3043, 3044, 3045, 3048, 3053, 3061, 3063, 3074, 3082, 3084, 3089, 3092, 3093, 3094, 3095, 3098, 3099, 3101, 3108, 3109, 3110, 3113, 3114, 3115, 3117, and 3118