backport: merge bitcoin#24794, #23524, #24902, #24915, #24916, #24929, #23506, #24840, #24982, partial bitcoin#25288 (lint backports: part 2)

backport: merge bitcoin#24794, #23524, #24902, #24915, #24916, #24929, #23506, #24840, #24982, partial bitcoin#25288 (lint backports: part 2) #6855