Increased latest version to 1.4.2b0 [skip ci]

2 jobs for master in 16 minutes and 17 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build
passed #153722
docker-build
build_linux_36

00:15:09

67.0%
 
  Deploy
passed #153723
deployer
deploy_beta

00:01:08