# Release notes - iqxWEB - Version 1.5.16
===== Requirements =====
Minimum **IQX.exe** Version: 2.22.x
Minimum **IQX WPK** Version: 2.22.x
Minimum **IQXHub** Version 5.4.16.1
### Bug
IW-1462 PDF with null shift information
IW-1461 Submitting shift before 12 hour leeway of same day shift
IW-1457 Add timestamp to logs
IW-1456 install.bat not functioning correctly
IW-1455 Make default filter value for end date, further in the future so this week's timesheets appear straight away
### Improvement
IW-1471 Prevent adding Overlapping Shifts\( \(e.g. 2 same shifts on the same day\)
IW-1467 Display error message if a user is trying to a sign a timesheet with their own email
IW-1465 Displaying correct questionnaire items depending on reference type
IW-1464 Creating new Personal, professional and other references
### New Feature
IW-1445 Client - Date filter on timesheets/requirements - setting to control this
IW-1444 Client - Requirements Filter \(on Position column?\)
IW-1443 Filter for Timesheets view
IW-1442 Add Availability for Multiple dates at the same time
IW-1418 Ability to repeat availability/unavailability for Weekend days
IW-1472 Replace "include/ exclude" functionality
IW-1470 Help- include article '' How to remove shifts''
IW-1469 Error text on email fields- now specific to the error
IW-1468 Prevent user from submitting the timesheet without signing
IW-1454 Remove Needs signature in key section
IW-1436 Block when inputting holiday when shift already booked
IW-1435 Ability to hide the Perm button on xRegister