Welcome to the March 2021 Multicore OCaml monthly report! The following update and the previous ones have been compiled by me, @kayceesrk and @shakthimaan.  We remain broadly on track to integrate the last of the multicore prerequisites into the next (4.13) release, and to propose domains-only parallelism for OCaml 5.0.   Upstream OCaml 4.13 development The complex safe points PR (#10039) is continuing to make progress, with more refinement towards reducing the binary size increase that results ...