Add minimum OpenGL version to readme

Fixes #4693.
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Christian Duerr 2021-01-12 13:51:32 +00:00 committed by GitHub
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@ -47,6 +47,10 @@ Prebuilt binaries for macOS and Windows can also be downloaded from the
For everyone else, the detailed instructions to install Alacritty can be found
[here](INSTALL.md).
Since Alacritty uses OpenGL to render the terminal content on all platforms, it
is currently not possible to run Alacritty without at support for at least
OpenGL 3.3.
## Configuration
You can find the default configuration file with documentation for all available