Update CHANGELOG.md

Author: vlvovch

CHANGELOG.md

@@ -4,6 +4,23 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
+
+## [Version 1.4] 
+
+Date: 2022-08-25
+
+Main new feature: Excluded volume effect in the Monte Carlo event generator
+
+## Enhancements
+- Hard-core repulsion in event generator (see [FIST sampler](https://github.com/vlvovch/fist-sampler))
+- Crossterms EV-HRG model is now implemented as partial case of QvdW-HRG model (for a = 0)
+- GUI: Blast-wave model: Option to set the value of parameter r_max (the maximim transverse radius)
+- GUI: Minor improvements for PCE-HRG model thermal fits
+
+## Bugfixes
+- GUI: Fix bug with the sign of strongly intensive quantity Delta
+- GUI: Options for different treatments of hard-core repulsion in event generator
+
 ## [Version 1.3.4] 
 
 Date: 2022-05-05
@@ -204,6 +221,10 @@ Date: 2018-08-02
 
 **The first public version of Thermal-FIST**
 
+[Version 1.4]: https://github.com/vlvovch/Thermal-FIST/compare/v1.3.4...v1.4
+
+[Version 1.3.4]: https://github.com/vlvovch/Thermal-FIST/compare/v1.3.3...v1.3.4
+
 [Version 1.3.3]: https://github.com/vlvovch/Thermal-FIST/compare/v1.3.2...v1.3.3
 
 [Version 1.3.2]: https://github.com/vlvovch/Thermal-FIST/compare/v1.3.1...v1.3.2