Merge pull request #3 from DHTMLX/next

Whats new before release v2.1.5

docs/news/whats_new.md

@@ -8,6 +8,20 @@ description: You can explore what's new in DHTMLX Event Calendar and its release
 
 If you are updating Event Calendar from an older version, check [Migration to newer versions](news/migration.md) for details.
 
+## Version 2.1.5
+
+Released on November 15, 2023
+
+### Fixes
+
+- !Script error occurs on double click in **Unassigned** section of Timeline
+- !Deleting symbols from search input doesn't update search result
+- !Deleting instances of recurring series doesn't work
+- !Regression in the [`setConfig()`](../../api/methods/js_eventcalendar_setconfig_method) method introduced in v2.1.4
+- !The [`setConfig()`](../../api/methods/js_eventcalendar_setconfig_method) method doesn't store the previous state
+- !Buttons on the Editor panel now have fixed position instead of static
+- Style improvements
+
 ## Version 2.1.4
 
 Released on November 3, 2023