gui: v3.9.0

3.9.0 (2026-07-29)

Features

• accept and register the .endstate capture bundle extension (#211) (1bde7dc)
• add an in-app "What's inside" view for profiles (#212) (25f8493)
• bump engine to v2.29.0 (#214) (b177e43)

Bug Fixes

• setup: correct profile and settings preview state (#215) (5e416c5)