You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

xtext
1.0.10

This version was deleted from PyPI around 2025-03-09. Installing fails with:
$ pip3 install xtext==1.0.10 ERROR: Could not find a version that satisfies the requirement xtext==1.0.10
View other deleted versions of xtext

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-03-08/ \ xtext==1.0.10
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
xtext-1.0.10-py3-none-any.whl (5.2KB)
xtext-1.0.10.tar.gz (167.2KB)