This NIP is not yet in main. Here is an overview of PRs referencing this NIP.
NIP-23, NIP-99: remove NIP-12 mention MERGED @AsaiToshiya
Revert "rename "parameterized replaceable event" to "addressable event"" OPEN @fernandolguevara
rename "parameterized replaceable event" to "addressable event" MERGED @fiatjaf
[NIP-23] Clearify the use of the (optional) a-tag OPEN @Sebastix
rename "parameterized replaceable event" to "tagged-replaceable event" CLOSED @fiatjaf
Update NIP-23 to define encrypted long form content CLOSED @space-shell
Mark Key NIPs for Social Feeds as `final` OPEN @buttercat1791
Remove all NIP authors MERGED @fiatjaf
For improved SEO of web clients, add canonical tag to NIPs 23 and 52. CLOSED @shawndearmond
merge nips 12, 16, 20 and 33 into nip 01 MERGED @fiatjaf
nip23: add some formatting guidelines to maximize compatibility MERGED @jb55
NIP-23: drafts MERGED @verbiricha
Implement Markdownlint GitHub action OPEN @mariano-perez-rodriguez
Markdown improvements, embelishments, and standardizations CLOSED @mariano-perez-rodriguez
NIP-23: Fix a typo in link to NIP-33 MERGED @darashi
Update all NIPs to include 'depends' and 'mentions' tags OPEN @blakejakopovic
NIP-23: long-form content MERGED @fiatjaf
NIP-23 Revisions (relay list) CLOSED @dskvr
add nip 23: relays list. CLOSED @fiatjaf
NIP-23: Supported Feature Signaling CLOSED @Giszmo