[KB1002844] Sitecore 10.3 – Experience Editor shows duplicated rendering options

Recently, I have been getting an issue in Experience Editor that the list of allowed renderings duplidated when working on placeholder to add components to the page The issue doesn’t occur before I apply the hotfix [KB1002844] for Sitecore 10.3 https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002844. Note that [KB1002844] is very important because this is the “Security Bulletin SC2023-002-576660” for…More