When placed next to glowstone or sea lantern, glass panes do not connect to them unlike how they used to.
Glass pane doesn't connect to glowstone and sea lantern
Iron bars no longer connect to sea lanterns
Glass panel and glowstone/sea lantern issues
Glass Panes connects to sea lanterns and glowstone
Fences/panes/walls/bars/torches connect to a number of non-solid blocks
Glass panes & iron bars no longer connect to glass