diff --git a/CHANGELOG.md b/CHANGELOG.md
index 890a95bca..bc8dec1a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,10 +12,12 @@ and this project adheres to
 
 <!-- write down unreleased development here -->
 
+* [tasks] improve tasks with filter order
+* [tasks] refactor singleControllerTasks: limit the number of conditions from the context
+* [validations] validation of accompanying period added: no duplicate participations or resources (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/60).
 * [renderbox] If gender of person is not defined, no icon is displayed instead of neuter-icon (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/129).
 * [confidential information] module added to blur confidential information (https://gitlab.com/champs-libres/departement-de-la-vendee/chill/-/issues/248).
 * refactor `AuthorizationHelper` and `UserACLAwareRepository` to fix constructor, and separate logic for parent role helper into `ParentRoleHelper`
-
 * [main]: filter location and locationType in backend: exclude NULL names, only active and availableToUsers
 * [activity]: perform client-side validation & show/hide fields in the "new location" modal
 * [admin]: links to activity admin section added again.