Native 2K, a new size menu, FLUX.3 Klein and MOSS-Image
Added
- 2K. Pick 2K in the size menu and the model draws your picture at full
size in one go. The menu tells you if a model isn't made for it. - A new size menu. See the exact size before you make it, set your own
width and height, save sizes you use often, or pick a size in megapixels
(Settings › Generation). - FLUX.3 Klein. Black Forest Labs' newest model: fast, sharp, made for 2K,
and it can edit from up to three pictures. Its prompt helper turns a short
idea into a detailed one; it's recommended, not required. - MOSS-Image. Great at clear text in pictures. Guided setup shows what
it still needs. - Edit or Reference. On Flux.2 and Qwen-Image 2.1, choose whether your
first picture gets changed or only guides a new one. - Docker. Run HEISS with
docker compose up --build
(how). - HEISS tells you why it stopped, if it ever stops on its own.
Changed
- Upscaling moved to the picture. New pictures aren't upscaled
automatically anymore. Use 2K, or the upscale arrow on any picture. - Setup notices changes by itself. Update ComfyUI or add nodes, and it
picks that up without a reload. - Restart shows how it went.
- Several references sit in one chip and fan out on hover.
- Better time estimates for big pictures.
- Generation details can be copied as text and show your LoRAs.
- Find ComfyUI on its own can be turned off in Settings › Connection.
Removed
- Automatic upscaling of every new picture (see above).
- The viewer's "Vary with a new seed" button.
Fixed
- A busy ComfyUI no longer shows as offline.
- Translators and browser extensions no longer crash the studio.
- Flux.2 Klein 9B picks a text encoder that works.
- The size menu stays still while you use it, and shows no 2K note without a
model. - 4K upscales and restarts on Windows work again.
- Smaller fixes to references and saved sizes.
Downloads
- Windows:
heiss-ui-0.18.0-windows-x64.zip(Node.js included), then Start HEISS UI.bat - macOS (Apple silicon):
heiss-ui-0.18.0-macos-arm64.zip, then Start HEISS UI.command - Linux:
heiss-ui-0.18.0-linux-x64.zip, then Start HEISS UI.sh ornpm start heiss-ui-0.18.0.zipis what installed copies download to update themselves. You don't need it.