Errors after upgrade from Joomla 3 to 4 "Deprecated: Creation of dynamic property MonthController...."

After an upgrade from Joomla 3 to 4 and upgrade to the latest JEvents version I am now getting errors when I try and access the Calendar:
Deprecated: Creation of dynamic property MonthController::$_basePath is deprecated in /home/customer/www/theasg.org.uk/public_html/components/com_jevents/controllers/month.php on line 33

Deprecated: Creation of dynamic property MonthController::$_task is deprecated in /home/customer/www/theasg.org.uk/public_html/components/com_jevents/controllers/month.php on line 34

Deprecated: Creation of dynamic property JevDate::$_tz is deprecated in /home/customer/www/theasg.org.uk/public_html/components/com_jevents/libraries/jevdate.php on line 101

Deprecated: Creation of dynamic property MonthController::$view is deprecated in /home/customer/www/theasg.org.uk/public_html/components/com_jevents/controllers/month.php on line 53

many many more lines of this

Any suggestions on how to resolve or a request for any other information required to support this log will be gratefully received.
Many thanks
Julian

Joomla info:

PHP Version : 8.2.13

MySQL Version : 5.7.39-42-log

Server Information : Linux uk14.siteground.eu 5.15.126-MCIclouder399 #399 SMP PREEMPT Wed Aug 16 16:53:17 EEST 2023 x86_64

Fix jQuery? : Yes

Load JEvents Bootstrap CSS? : Yes

Max Input Vars ? : 3000

Club code set? : No  

User Agent : Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0  

Joomla : 4.4.1

component_com_jevents : 3.6.76

module_mod_jevents_cal : 3.6.76

module_mod_jevents_custom : 3.6.76

module_mod_jevents_filter : 3.6.76

module_mod_jevents_latest : 3.6.76

module_mod_jevents_legend : 3.6.76

module_mod_jevents_switchview : 3.6.76

plugin_actionlog_jevents : 3.6.76 (not enabled)

plugin_content_jevents : 3.6.76

plugin_finder_jevents : 3.6.76 (not enabled)

plugin_installer_jeventsinstaller : 3.6.76 (not enabled)

plugin_search_eventsearch : 3.6.76

plugin_system_gwejson : 3.6.76