1.39.0

Changes:

• If a video gets dropped into the preview tab, you can either load the first frame or automatically switch to the video tab
• Loading the first frame of a video into the preview now works without having ffmpeg installed system-wide
• Added Lanczos scaling to resizing options
• Added automatic server selection (EU/US) for python download
• Added Patron list in preview window while no image was loaded
• Added option to stop Cupscale from starting in a maximized window
• Added prompt that will ask to install embedded Python if no Python runtime was found
• Better error messages for model interpolation (offline interpolation, not on-the-fly)
• Better error messages/handling for specific CUDA and NCNN errors
• Dependency Checker UI improvements (if one Python runtime is installed the other one won't be marked in red)
• Internal improvements (backporting of JSON-based Config code from Flowframes)

Installation:

• Extract the zip somewhere (preferably on an SSD), not in a protected folder like Program Files!
• Start Cupscale.exe

1.38.0 [Fix 1] - Real-ESRGAN, more options, fewer bugs

Changes:

• Added support for Real-ESRGAN - Similar to ESRGAN NCNN, much faster, but currently only works with 4x scale models
• Improved NCNN converter to work with Real-ESRGAN
• Added a dropdown to select the AI implementation (you can now choose ESRGAN-NCNN here, replaces the CUDA Fallback option)
• Added new options for ESRGAN-NCNN and RealESRGAN-NCNN: TTA, override Tile Size
• Last used model is now saved and loaded after restarting Cupscale
• Embedded python now works with Ampere (RTX 3000) GPUs
• There is now a default model folder because some users where too overwhelmed by the model folder dialog
• Three "default" models are now bundled: RealSR (DF2K_JPEG), BSRGAN, and Real-ESRGAN
• GPU list in the main window now shows all GPUs, not just Nvidia cards (VRAM measurement only works with Nvidia)
• Better error handling and more verbose error messages
• Removed web-based installer, instead all components are bundled in the zip (apart from the Python runtime)
• Fixed a bug where the preview would throw an error if your output is smaller than the input (e.g. 1x model with 50% resize)
• General stability improvements & bugfixes
• Tons of internal changes, cleanup, refactoring

Installation: (Fresh install recommended, don't overwrite 1.37 or any other version)

• Extract the zip somewhere (preferably on an SSD), not in a protected folder like Program Files!
• Start Cupscale.exe

Changes 1.38.0f1 (Fix 1):

• Fixed bug where installing the embedded python runtime wouldn't automatically enable it
• Removed obsolete settings (Resource Files)
• Updated build date

1.37.0 - Even more fixes

Changes:

• UI/UX Improvements for Model Selection Tree
• Fixed unhandled errors when trying to select a model if none exist in the model folder
• Fixed problems caused by switching to portable mode when previously using Appdata
• Better error handling for NCNN model converter

Installation:

• Extract the zip anywhere (Preferably somewhere on an SSD)
• Start Cupscale.exe

1.36.1 - Fixes, FP16 mode, and more

Changes:

• Added "RTX Fast Mode" (FP16) to make ESRGAN CUDA more lightweight and faster
• Portable mode is now enabled by default (similar to Flowframes)
• Fixed "Preserve Folder Structure" not working properly
• Fixed MozJpeg encoding not working (required runtimes are now included)
• Fixed problems with disk space check
• Other minor fixes and improvements

1.36.1 (Hotfix) Changes:

• Fixed embedded python installation not working

Installation:

• Extract the zip anywhere
• Start Cupscale.exe

1.35.1 - A few new options + NCNN Fix

Changes:

• Added an option to enable split depth caching for CUDA upscaling, which improves speed if your images are the same size
• Added the option "Auto-Expand Model Selection Tree" that allows you to toggle the auto-expansion of all model tree nodes
• Fixed NCNN upscaling not working if Cupscale is in a path that contains spaces

Update: 1.35.1 Changes:

• Fixed error when opening settings

1.34.0 - More alpha options & lots of fixes

Changes:

• Added an option to choose from all 3 alpha modes of Joey's ESRGAN fork
• Added an option to switch between Full and Binary (1-bit) or Ternary (2-bit) alpha
• Added an option to set the GPU ID that ESRGAN will use (for multi-GPU systems)
• Increased the retry count for post-processing files that are still locked by the python process (should fix batch/video upscaling problems)
• Fixed Overwrite mode not working
• Fixed fractional frame rates (like 12.5) being rounded to an integer after upscaling a video
• Removed esrgan-launcher and all related options as it has been made obsolete by Joey's ESRGAN fork

Known Issues:

• When batch upscaling a directory, having multiple files use the same filename (in different directories) will cause problems

Build 33 (Fix 3) - Auto-Tiling & Fixes

Changes:

• Updated Joey's ESRGAN to the latest version featuring automatic tiling. This can speed up upscaling by up to 5x.
• Fixed batch processing not working with multiple files (only with directories)
• Fixed a problem where videos without audio aren't exported correctly
• Error Handling improvements

Known Issues:

• When batch upscaling a directory, having multiple files use the same filename (in different directories) will cause problems

Build 32 - Video Improvements

Changes:

• Added option to preserve audio when upscaling a video
• Added experimental support for WEBM and AVI video formats
• Fixed a bug where the Dependency Checker would say that the python runtime is not installed, even though it is

Build 31 - Cancel Button & UI Improvements

Changes:

• Added Cancel button that will kill ESRGAN if it's running
• Web Installer now shows download percentage for each file
• Cupscale now checks if another instance is already running in the same data folder
• UI: The sidebar contents now automatically resize based on whether the scrollbar is visible or not
• Error handling for FFmpeg and Gifski encoder

Build 30 - Web Installer & Video Fixes

Changes:

• The resource installer is now web-based, making the executable 31 MB instead of 93 MB
• Fixed the H265 video option by switching to a different ffmpeg build
• Added GIF (non-animated) as compatible export format for image upscaling
• Better error handling for video upscaling (more to come - ffmpeg errors are unhandled still)
• Minor UI/UX improvements for NCNN upscaling

Testing:

• Successfully tested NCNN with video upscaling
• Successfully tested NCNN with Lite models