Debug Sticks should be Tools & Utilities (or in Redstone and Tools)
Light Blocks should be in Functional Blocks (or in Redstone and Fuctionals)
Barrier Blocks should be in Building/Functional Blocks (or in Redstone and Building/Fuctionals)
Structure Voids should be in Building/Functional Blocks and Redstone Blocks.
Thank you for your report!
However, this issue is Invalid.
You have posted a feature request or a suggestion. This site is for bug reports only.
For suggestions, please visit Minecraft Suggestions on Reddit or visit the Feedback website.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki