How many items/equipment Stuff that gives mastery are there now in warframe before update on 8 September 2021

[Guard1aNRB]

Ive found out of date guides or template saying there are a certain amount of items to master i have 602/644 i know of 3 weapons that i wraith that are not on the list making it 647 and then if you are a founder its 650 anyone know what the actual number of items are.

[Slayer-.]

647 things in total, that's non founder stats.

[GrandLompus]

shameless plug:
https://www.warstuff.org

[LillyRaccune]

Non-equipment items include purchasing Intrinsic points, completing Junctions, and clearing normal and Steel Path missions for the first time.

https://warframe.fandom.com/wiki/Mastery_Rank

[(XBOX)Obi Wan Dandobi]

Check your profile and it will list everything you've done and still need to do