Netherite, being a precious and rare item seems like it should work with beacon bases/cost for powering beacons. Not sure if this is intended, but figured it would be best to make it known in case this was an oversight.
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duplicates 1
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Thank you for your report!
However, this issue is a Duplicate of MC-170899.
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Very likely to be intended. You may want to submit this to https://feedback.minecraft.net/hc/en-us instead.