It was possible to place torches on grass path. It was a good thing. Now it is impossible. Can't place to turn into dirt either.
Linked issues
Comments 2
Thank you for your report!
However, this issue is Working as Intended.
See MCPE-61257.
Please note, that mechanics of the game may change between updates.
Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.
Full Version History – Snapshot Version History – Feature Requests and Suggestions
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Cannot confirm, Torches are do not place into dirt path & farmland. Just like java edition this is a Work as intended