changelog

Author: awaelchli

src/pytorch_lightning/CHANGELOG.md

@@ -34,6 +34,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 - Removed the deprecated `resume_from_checkpoint` Trainer argument ([#16167](https://github.com/Lightning-AI/lightning/pull/16167))
 
+- Removed deadlock detection / process reconciliation (`PL_RECONCILE_PROCESS=1`) ([#16204](https://github.com/Lightning-AI/lightning/pull/16204))
+
 
 ## [unreleased] - 202Y-MM-DD