Weft Copyright 2026 Olaoluwa Osuntokun The weft/actor module derives from the gleam/otp/actor module of gleam_otp (https://github.com/gleam-lang/otp), copyright the Gleam OTP contributors, licensed under the Apache License, Version 2.0. The weft/internal/sys module and src/weft_sys_ffi.erl derive their system-message handling from the same package's gleam/otp/system module and gleam_otp_external.erl.