Problems for source package umatrix

BuildDepends

Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on ppc64el. Package umatrix does not exist on ppc64el.
Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on armel. Package umatrix does not exist on armel.
Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on s390x. Package umatrix does not exist on s390x.
Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on mips. Package umatrix does not exist on mips.
Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on mips64el. Package umatrix does not exist on mips64el.
Package declares a build time dependency on mozilla-devscripts (>= 0.50~) which cannot be satisfied on mipsel. Package umatrix does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on s390x. Package umatrix does not exist on s390x.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on ppc64el. Package umatrix does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on armel. Package umatrix does not exist on armel.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mipsel. Package umatrix does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mips. Package umatrix does not exist on mips.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mips64el. Package umatrix does not exist on mips64el.

Binary Package: webext-umatrix (Version: 1.3.16+dfsg-2)

Half Broken Relationships

Package has a Recommends on firefox (>= 56.0a1~~) which cannot be satisfied on arm64. At least one of firefox (>= 56.0a1~~) | firefox-esr (>= 56.0a1~~) can be satisfied however.
Package has a Recommends on firefox (>= 56.0a1~~) which cannot be satisfied on i386. At least one of firefox (>= 56.0a1~~) | firefox-esr (>= 56.0a1~~) can be satisfied however.
Package has a Recommends on firefox (>= 56.0a1~~) which cannot be satisfied on amd64. At least one of firefox (>= 56.0a1~~) | firefox-esr (>= 56.0a1~~) can be satisfied however.
Package has a Recommends on firefox (>= 56.0a1~~) which cannot be satisfied on armhf. At least one of firefox (>= 56.0a1~~) | firefox-esr (>= 56.0a1~~) can be satisfied however.