Hi,
as you can see in my mp4 data, there is a bug since 1.14 as far as i know.
When you try to set blocks like glasspanes, fences and iron bars with /fill they will not connect to the blocks beside them.
Hope you can fix this bug soon 🙂
Many greetings from Germany.
Thank you for your report!
We're actually already tracking this issue in MC-129367, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki