# Release notes 1.28.0

Release date: 08.10.2026

This release brings many enhancements and fixes to mesoscopic simulations including an improved jamming model (--meso-ltm).
It also extends and adds tools that help with understanding and importing traffic data for traffic generation.

For a full list of changes, check out the ChangeLog: https://sumo.dlr.de/Changelog
The download links are (as always) here: https://sumo.dlr.de/download
If you cite the new release in your publications, please use the DOI
10.5281/zenodo.23219601 (https://doi.org/10.5281/zenodo.23219601)

If you look for ways to support SUMO development, consider a joint research project (https://sumo.dlr.de/docs/Funding.html).