proximetricsR 0.6.5
===============

* Docs: fixed unescaped "<" characters in mathematical notation within `calibration_control.Rd`, which caused HTML validation errors on CRAN.

* Tests: added unit tests for `proxiscout_write_model()` to guarantee the integrity of ProxiScout model serialisation across preprocessing recipes.

proximetricsR 0.6.4
===============
* Hello world!