iosory7

Thank you for your investigation and reply. I tried to use `:!kroki-fetch-diagram:`, but the same results were obtained when using `:kroki-fetch-diagram:`...  If the `:kroki-fetch-diagram:` setting is the matter, shouldn't...

After that, I set up a kroki server on-premiss and set :kroki-server-url: to that server URL, and now it renders in each pattern of three! Thank you for your support.

I created a adoc set (the content is meaningless) to reproduce the symptom. Please find the attached. I found that update preview took more time than new preview... [sample_adoc.zip](https://github.com/asciidoctor/asciidoctor-vscode/files/14594936/sample_adoc.zip) v2.9.8...