When comparing mintty vs hyper, the Slant community recommends mintty for most people. In the question“What are the best terminal emulators for Windows?” mintty is ranked 9th while hyper is ranked 16th. The most important reason people chose mintty is:
Mintty is a native Windows wrapper around Cygwin but with added customization features like changing background color, font, transparency, etc.
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Pros
Pro Support for Cygwin and MSYS
Mintty is a native Windows wrapper around Cygwin but with added customization features like changing background color, font, transparency, etc.
Pro Proper support for scrolling in terminal applications
The mouse wheel in mintty actually scrolls the content in man/less/vim, etc.
Pro Xterm-compatible terminal emulation
Xterm is the standard terminal emulator for the X Window System.
Pro UTF-8 support
UTF-8 allows for the encoding of all possible characters.
Pro Drag and drop makes for ease of use
The drag and drop function in mintty allows the user to move an item quickly and easily.
Pro Cross-platform due to electron browser-based foundation
Although not Windows-friendly. But nobody uses Windows terminal anyway.
Pro Built on electron, supports split panels and plugins
Cons
Con No multiple tab support
Con Win32 console API performs poorly
Classic Windows console applications don't work well.
Con No native support for WSL
Cygwin is dead. WSL is amazing, yet Mintty is designed around Cygwin and the WSLtty app to connect Mintty to WSL feels like a hack.
Con Made with Electron
It uses a considerable amount of resources, compared to other offerings.
Con Not as cross platform as advertised
Most features only work on Mac OS.
Con Incorrect rendering
Terminal window has visual artifacts.
Con No configuration UI; all options must be set via JSON
Con Still maturing as of December 2016
Folks noticed some issues in the 1.0 release cited here.