Glass panes don't seem to be affected by shadows, and show up bright white.
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duplicates 1
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Duplicate of: MC-2729 - Please use the search function to see if your bug has already been submitted.
Currently 27% of tickets are being closed as duplicate.
Duplicate of MC-2729. Please search before you post!
Edit: https://twitter.com/sleepytenor/status/268673915721752576.
Even after Dinnerbone told you to search? What did you search for?