Additional borders appear in AgendaView when the Date column is sorted. This behavior is observed in the following themes:

• VisualStudio2012Light
• Office2019Light
• Office2019Gray
• Office2019Dark
• Office2013Dark (missing border)
• Office2013Light (missing border)
• TelerikMetro (missing border)
• TelerikMetroBlue (missing border)
• TelerikMetroTouch (missing border)
• Office2010Black (missing border)
• Office2010Silver (missing border)
• Office2010Blue (missing border)
• ControlDefault (missing border)
• Breeze (missing border)
• HighContrastBlack (missing border)
• Office2007 (missing border)