As a temporary workaround we can use the dataview plugin to show tag-related notes:
table file.folder
Where contains(file.tags, this.file.tags[0])
sort file.path
If you are working with templates, put this code at the end of your template. Alternatively, you can use espanso with the following match:
- trigger: ":rel"
replace: |
## related notes
```dataview
table file.folder
Where contains(file.tags, this.file.tags[0])
sort file.path
```
force_clipboard: true