Please note: This is the installer provided by devkitPro which installs and updates the tools and libraries we provide and support. devkitPro is an organisation and has no versions. The version number here refers to the installer and has no relevance to any of the toolchains or other components we supply.
Please do not use this installer and then overwrite anything with downloads provided by 3rd parties. Downgrading individual components can and will cause problems with your installation.
If you require help updating old projects to work with updated tools and libraries then please ask. Please do not downgrade your tools or advise others to do so.