The official Prince of Qin site has patch version 1.21 up and ready for snagging.

• The bug whereby using the skill Swords-around-your-body will make the server down has been fixed.
• The bug whereby some NPCs will sometimes disappear when a player enters the game has been fixed.
• The bug which results in some problems with the music has been fixed.
• The bug whereby demo players can obtain more attribute points by abnormal means has been fixed.
• Those points will be deducted when players log on next time.
• The bug concerning the items in stack has been fixed.
• The bug whereby your teammates will sometimes disappear after you switch to another scene when the game pauses automatically once you encounter an enemy has been fixed.
• The bug whereby the duration time of passive skills still continues to run even if the player suspends the game has been fixed.
• The bug whereby your teammates will become NPCs after they are killed by traps in the tomb of the First Emperor has been fixed.
• The bug which may result in a computer breakdown when there are too many players going across the narrow bridge to the Peach Garden has been fixed.
• The bug whereby items in the grocery and blacksmith¡¯s shop don¡¯t renew has been fixed.
• The bug which results in a computer breakdown after you complete a certain quest has been fixed.
• The bug whereby players can obtain extra gold after they find a wooden sword for Liu Bang's son has been fixed.
• The bug whereby players will appear at different positions when they come to Zhaocun Village from the Peach Garden has been fixed.
• The bug whereby the quest summary cannot be displayed completely has been fixed.
• The bug that results in a flash of the screen when characters leave some scenes has been fixed.
• The bug whereby the abnormal status of the character cannot disappears after his/her party gets out of the cave in Hengshan Village has been fixed.
• The bug whereby there is no exit after players enter a random scene and save the game has been fixed.
• The bug whereby the some dialogues are too fast and players cannot recognize them has been fixed.
• The bug whereby the quest report is not recorded although players complete the quest concerning Ah Lan has been fixed.

Of course, this is the bug list from 1.16 through the new patch version, for those who have recently picked up the game.

Spotted this at Blue's News