If you place a chiseled bookshelf in front of a comparator it gives out singnal strength 0. When you put a book in the bookshelf and take it out, there remains signal strength 1.
MC-267227
Chiseled Bookshelf Redstone bug
Resolved
Duplicate
0
Thank you for your report!
We're tracking this issue in MC-256486, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki