# 1.5.13 (11 December 2022)
- #858 Update Transformer functionality to return value instead of string [feature]
- #859 Add UpdatedAt property to Mapping [feature]
- #861 Add extra functionality for issue 55
- #862 Add client certificate support [feature]
- #863 Update WireMockServer.CreateClient/CreateClients to include handlers [feature]
- #856 Inconsistent result with overlapping (duplicate) request [bug]

The full release notes can be found here: https://github.com/WireMock-Net/WireMock.Net/blob/master/CHANGELOG.md