There are currently no open bugs.

"r-cran-httpuv" versions published in Ubuntu

Eoan (1.4.5.1+dfsg-1): universe/misc
Disco (1.4.5.1+dfsg-1): universe/misc
Cosmic (1.4.5+dfsg-1): universe/misc
Bionic (1.3.5-1): universe/misc
Xenial (1.3.3-3): universe/misc