Dune 2.8.4

Make patdiff show refined diffs (#4257, fixes #4254, @hakuch)

Fixed a bug that could result in needless recompilation under Windows due to case differences in the result of Sys.getcwd (observed under emacs). (#3966, @nojb).

Restore compatibility with Coq < 8.10 for coq-lang < 0.3 , document that (using coq 0.3) does require Coq 8.10 at least (#4224, fixes #4142, @ejgallego)

Add a META rule for compiler-libs.native-toplevel (#4175, @altgr)

No longer call chmod on symbolic links (fixes #4195, @dannywillems)

Have dune communicate the location of the standard library directory to merlin (#4211, fixes #4188, @nojb)

Workaround incorrect exception raised by Unix.utimes (OCaml PR#8857) in Path.touch on Windows. This fixes dune cache in direct mode on Windows. (#4223, @dra27)

dune ocaml-merlin is now able to provide configuration for source files in the _build directory. (#4274, @voodoos)

Automatically delete left-over Merlin files when rebuilding for the first time a project previously built with Dune <= 2.7. (#4261, @voodoos, @aalekseyev)

Fix ppx.exe being compiled for the wrong target when cross-compiling (#3751, fixes #3698, @toots)

dune top correctly escapes the generated toplevel directives, and make it easier for dune top to locate C stubs associated to concerned libraries. (#4242, fixes #4231, @nojb)

Do not pass include directories containing native objects when compiling bytecode (#4200, @nojb)

Fix crash when META file for compiler-libs.toplevel is present (@jeremiedimino, #4249)