swift-json 0.2.2 has been released:
this release contains backported fixes to get this package compiling again with the swift 5.6 toolchain in the wake of SE-0335 being dropped from swift 5.6. it also specifies the swift-grammar dependency version more precisely.
swift-json 0.2.2 is source-compatible with earlier 0.2.x versions, and does not contain the v0.3 API.