In the last build for VCL - Rio 64-bit had a fix for not requiring leading zeros in numeric entry however it appears that negative numbers did not get fixed. Currently .5 is allowed now hower -.5 is not allowed
You have to do -0.5
The previous case that was fixed for positive number is: https://www.google.com/url?q=https://www.devexpress.com/support/center/Question/Details/T707174&source=gmail&ust=1548447174129000&usg=AFQjCNFEuKKn9WnlUywDTJydwALe_NkwCw">T707174
Could you check on this?