# Release notes - iqxWEB - 1.5.20
===== Requirements =====
Minimum **IQX.exe** Version: 2.22.x
Minimum **IQX WPK** Version: 2.22.x
Minimum **IQXHub** Version 5.4.16.1
## Bug
IW-1517 Check TS Query runs when timesheet signing errors
IW-1523 Clients sometimes not receiving 'Signed Timesheet' email when a timesheet has been queried
IW-1542 Show/Hide when required field hidden still required
## Improvement
IW-1320 Questionnaire Group for questions into Bank Details page
IW-1508 Auditing of dates & times when adding or removing availability
IW-1533 Ability to add page text to Questionnaire Group Pages
IW-1535 Show/Hide Questions not working on Multiple Selection \+ Headings
IW-1537 Ability to make Bank Details on xRegister non-mandatory
## New Feature
IW-1506 Notes visible to Candidate/Client on home page
IW-1536 MFA \+ Brute force protection
IW-1507 Email Verification within Xregister