XoopsTpl deprecated messages

[cesagonchu]

I get deprecated messages with latest Newbb module from here because it is the most recent date:
https://github.com/mambax7/newbb
Tested with xSwatch4

XoopsTpl::get_template_vars is deprecated, please use getTemplateVars
trace: /class/template.php:673
/modules/newbb/viewtopic.php:190

XoopsTpl::get_template_vars is deprecated, please use getTemplateVars
trace: /class/template.php:673
/modules/newbb/viewtopic.php:266

XoopsTpl::get_template_vars is deprecated, please use getTemplateVars
trace: /class/template.php:673
/modules/newbb/viewtopic.php:266

XoopsTpl::get_template_vars is deprecated, please use getTemplateVars
trace: /class/template.php:673
/modules/newbb/viewtopic.php:266

XoopsTpl::assign_by_ref is deprecated, please use assignByRef
trace: /class/template.php:302
/modules/newbb/viewtopic.php:486

XoopsTpl::assign_by_ref is deprecated, please use assignByRef
trace: /class/template.php:302
/modules/newbb/viewtopic.php:493

XoopsTpl::assign_by_ref is deprecated, please use assignByRef
trace: /class/template.php:302
/modules/newbb/viewtopic.php:764

My config:
PHP 8.3.6
MYSQL 8.0.41-0ubuntu0.24.04.1
XOOPS version 2.5.12-Beta6