GIMP 3 themes (Works in 2.99.x) : r/GIMP

GIMP 2.99.4 Released as New Development Version to GIMP 3.0

Gimp Themes

Give New Looks To GIMP Image Editor Using (Flat / Photoshop

Libre Arts - GIMP 2.99.14

GIMP 2.99.16 Released: Wilber Week 2023 edition! - GIMP

GIMP 3.0 Aiming To Release In 2023 - Phoronix

ofn-tiles & ofn-export-layers

GIMP Themes : r/GIMP

What's New in GIMP 2.99.10 Development Release Version

GIMP - GIMP 2.10 Release Notes

Development version: GIMP 2.99.12 Released - GIMP