I'm not sure if this is the right place to report this issue. If not, please feel free to close.

tree and patchelf:

https://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/sysutils/tree/index.html
https://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/devel/patchelf/index.html

They are in: http://cdn.netbsd.org/pub/pkgsrc/packages/NetBSD/x86_64/9.0_2026Q1/All/
But not in: http://cdn.netbsd.org/pub/pkgsrc/packages/NetBSD/x86_64/9.0_2026Q2/All/

9.x all point to 9.0_2026Q2

sudo pkgin -y install tree
tree is not available in the repository

sudo pkgin -y install patchelf
patchelf is not available in the repository