Is it OK to stabilize =dev-libs/libestr-0.1.5 ? If so, please CC all arches which have stable keywords for older versions of this package and add STABLEREQ keyword to the bug.
Arches, please test and mark stable =dev-libs/libestr-0.1.5 on amd64 and x86.
amd64 stable
x86 stable. Last arch, closing