Joyous Journeys missing from level 85 to 90 in MoP Classic

[Saneko-ragnaros (Saneko)]

Could be a problem, you can report it through the bug reporter ingame:

Joyous Journeys

Expect Joyous Journeys Ahead in Mists of Pandaria Classic When: 18 November–9 December The mystical lands of Pandaria are swirling with danger. For our stalwart champions in World of Warcraft Classic progression (currently Mists of Pandaria Classic), take advantage of the Joyous Journey’s experience buff to enhance your odyssey through Azeroth, increasing experience gains by 50% up to level 90! Create a new character, finish leveling a forgotten one, or invite friends to join you in legen…