I've tried it on mediawiki.org, but I have to turn it off due to the lack of a MediaWiki:Edittools where I can easily click a button to insert <tvar|></> or similar code on translatable pages :(
Note this is different from T52296: VisualEditor: Provide a character insertion tool since here we want to provide random wikitext to insert, not just characters. I guess this should be available only in wikitext mode and not in visual mode.
You want to customise the character insertion for the wiki; see https://www.mediawiki.org/wiki/VisualEditor/Special_characters.
But this solution does not solve the problem creator described. Edittools currently adds commonly used strings, not only characters, which definitely should be somehow incorporated in NWE.
Per previous comment, VE doesn't support adding wikitext, which is what's requested here for the wikitext editor.
The tools in the toolbar already add wikitext and most of the tools in edittools are already supported elsewhere in the toolbar. Anything else missing can be considered on a case by case basis, but we are not going to integrate the existing edittools message as requested.
The request is, literally (note the emphasis): Add MediaWiki:Edittools (or similar)
If you don't want to add the existing edittools message, provide a similar way to add pieces of wikitext to be inserted like it exists in the classic wikitext editor.
Change 357385 had a related patch set uploaded (by Esanders; owner: Esanders):
[VisualEditor/VisualEditor@master] Allow special character items to be marked as source mode only
Change 357385 merged by jenkins-bot:
[VisualEditor/VisualEditor@master] Allow special character items to be marked as source mode only
Change 358426 had a related patch set uploaded (by Jforrester; owner: Jforrester):
[mediawiki/extensions/VisualEditor@master] Update VE core submodule to master (8b8bc2f70)
Change 358426 merged by jenkins-bot:
[mediawiki/extensions/VisualEditor@master] Update VE core submodule to master (8b8bc2f70)