If you place obsidian blocks next to each other, you can see little white lines on each verticy.
Linked issues
duplicates 1
Attachments
Comments 8
I am experiencing this bug as well in 13w02a + b. It does not happen for me in 1.4.7 or the 13w01a + b snapshots. I am using an ATI Radeon HD 4800 with the current driver version 12.6 on Windows 7.
13w02b - http://i.imgur.com/R4Jxv.png
13w01b - http://i.imgur.com/ixKbd.png
1.4.7 release - http://i.imgur.com/RhApS.png
EDIT: This actually does occur in 1.4.7 but only with a few textures. I only really notice it with horizontal logs, but the new texture change makes it occur with all blocks.
Duplicate of MC-1794, please use the search function to see if your bug has already been submitted. Currently over 45% of tickets are being closed as duplicate.
Happens for every block but noticing this on dark blocks is easier