As someone mentioned a few pages back, there's apparently no consensus calling it 5.24. So maybe we want another poll (not that it truly matters, but polls are fun).
So far, the main (seriously proposed) options seem to be:
- 3e-like naming: whole edition is 5e, 2014 version is 5.0(e), 2024 version is 5.5(e)
- SRD-based naming: whole edition is 5e, 2014(-2015) version is 5.0, 2024 version is 5.2, optionally 2016(-2023) version is 5.1
- Year-based naming (with e): whole edition is 5e, 2014 version is 5e14 (or 5e2014), 2024 version is 5e24 (or 5e2024)
- Year-based naming (with dot): whole edition is 5e, 2014 version is 5.14, 2024 version is 5.24
- PF2-like naming: no name for whole edition, 2014 version is 5e, 2024 version is 5e revised/5eR or Revised 5e/R5e
- Anniversary naming: no name for whole edition, 2014 version is 5e, 2024 version is 5ae (anniversary edition) or 50e (50 year edition)
- Movie-like naming: no name for whole edition, 2014 version is D&D (2014), 2024 version is D&D (2024)
I hope that's a correct summary, if not, please feel free to add/correct.