Summary

Same issue in MC-266117 (This was Already fixed in 23W44A snapshot)

Despite being crafted with cut copper slabs in the crafting table, chiseled copper is crafted exclusively with normal copper blocks in the stonecutter.

Addons/Resource packs: No

Attachments: Yes

Experimental: Yes

Verified builds: 1.20.50.22, 1.20.50.23

Step to Reproduce

Take stonecutter and take Cut copper blocks then place cut copper to slot in stonecutter.

Analysis

Which cut copper don't have offer a chiseled copper blocks in stonecutter

Block of copper

Cut block of copper

Java Edition 23W44A

Expected behavior

The stonecutter can should be able to create Chiseled copper blocks from cut copper blocks

Note: This is a Bedrock bug ticket, for Java ticket (which is already planned to be fixed in 23w44a snapshot, but no fix version on Bedrock for this)