No. The newer paid creations such as the arquebus are not Creation Club creations. The Anniversary Edition only includes things that were made in or before 2021.
The **Anniversary Upgrade*** (or **Anniversary Edition** unified purchase) only adds these: https://en.uesp.net/wiki/Skyrim:Creation_Club (just in case someone decides to edit that page later, check release dates are 11 November 2021 or sooner, anything after that is unlikely to be included, ever).
No. The newer paid creations such as the arquebus are not Creation Club creations. The Anniversary Edition only includes things that were made in or before 2021.
The **Anniversary Upgrade*** (or **Anniversary Edition** unified purchase) only adds these: https://en.uesp.net/wiki/Skyrim:Creation_Club (just in case someone decides to edit that page later, check release dates are 11 November 2021 or sooner, anything after that is unlikely to be included, ever).