After saving sketch with a new filename the window title still shows the previous filename

[per1234]

Using Arduino IDE 1.6.12 Hourly Build 2016/09/14 08:20 with Windows 7 64 bit

• Open an existing sketch,
• File > Save As... > save with a new filename.
• The window title shows the original filename, the first tab shows the new filename.

This doesn't occur with Arduino IDE 1.6.11.