Hi @maans ,
Please check if there is overlay for the /libs/cq/xssprotection/config.xml for the same in /apps and there is change in the configuration for the a tag as shown below (default config)
![bipinchandra92_0-1654371001835.png bipinchandra92_0-1654371001835.png](https://experienceleaguecommunities.adobe.com/t5/image/serverpage/image-id/41554iF89A1B5056A088FF/image-size/medium/is-moderation-mode/true?v=v2&px=400)
If html tags are getting lost in RTE are mainly due to AntiSamy rules in AEM. Please check the error logs for the same(org.apache.sling.xss.impl.HtmlToHtmlContentContext AntiSamy warning). If not, then please add your error logs.