<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=408647) </details> <!--IssueSummary end--> ### Summary Gitlab version 15.11.0 webIDE does not recognize plantuml when opening a markdown file ### Steps to reproduce 1: webIDE edit markdown file 2: markdown file use plantuml ### Example Project https://gitlab.com/-/ide/project/QiuminGe/test/edit/main/-/README.md #### code ``` [First component] [Another component] as Comp2 component Comp3 component [Last\ncomponent] as Comp4 ``` #### Preview ``` plantuml [First component] [Another component] as Comp2 component Comp3 component [Last\ncomponent] as Comp4 ``` #### New Web IDE v15.11.0  #### Old Web IDE v15.10.0  ### What is the current *bug* behavior? WebIDE did not render plantuml as a graphic ### What is the expected *correct* behavior? WebIDE renders plantuml as a graph