Self-explanatory. Stained glass panes also obscure the particles, but regular glass and glass panes work fine. In the picture, all candles are lit and emitting light.
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Duplicate of MC-188529
violine1101
Thank you for your report!
We're tracking this issue as MC-188529, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Won't Fix, which means this is considered a bug but won't be fixed. The description of that ticket or the comments might explain the rationale. Please do not leave a comment on the linked ticket.
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