Blizzard has stated that leveling glyphs in Season 4 will be faster due to glyph experience bonuses.
While this bonus won't be present during the PTR, it will go live when Season 4 starts, which should give players a nice boost for the season start.
This is something the team is aware of and the plan is to offer some glyph XP bumps in Season 4 so they do progress faster for players.This wont be present in the PTR just because we are also giving everyone boosted glyphs but expect to see this when S4 starts..
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