The cartography table borrows from the 18w43a dark oak planks texture (as can be seen in the 18w46a screenshot), but was not updated with the 18w47a planks changes.
Linked issues
relates to 8
MC-154006
Overworld wood signs use the outdated wood texture on all sides
Resolved
MC-160388
Painting back texture has not been updated with the texture update
Resolved
MC-199231
Observer top texture has not been fully updated with the Texture Update
Resolved
MC-200228
Composter bottom/inside may be using outdated plank shading
Open
MC-200137
Lectern base plate texture still uses the old planks texture
Resolved
3 more links
Attachments
Comments 8
Relates to MC-199231.
Hi there!
I can confirm.