Software Packages in "bookworm-backports", Subsection interpreters

libjavascriptcoregtk-4.0-bin (2.42.1-1~bpo12+1)
JavaScript engine library from WebKitGTK - command-line interpreter
lua-swupdate (2023.12.1+dfsg-1~bpo12+1)
swupdate bindings for the Lua language