Switch back to mimalloc v3 #786

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1. hombit

   added

   enhancementNew feature or requestNew feature or request

   on Jun 22, 2026
2. chirizxc commented on Aug 8, 2026

   

   chirizxc

   on Aug 8, 2026

   More actions

   Also see: lava-sh/toml-rs#229

   [target.'cfg(not(any(target_os = "macos", target_os = "windows")))'.dependencies]
   mimalloc = {
       # mimalloc v3
       optional = true,
       version = "=0.1.52",
       features = [
           "override",
           "local_dynamic_tls",
       ]
   }
   
   [target.'cfg(target_os = "macos")'.dependencies]
   mimalloc = {
       # mimalloc v3
       optional = true,
       version = "=0.1.52",
       # See: https://github.com/lava-sh/toml-rs/issues/229
       #
       # mimalloc "override" feature installs process-wide malloc interposition and
       # replaces macOS malloc zone/fork hooks when the extension is imported via dlopen.
       # That breaks fork-based subprocess spawning, e.g., asyncio/playwright can fail.
       features = [
           "local_dynamic_tls",
       ]
   }
   
   
   [target.'cfg(target_os = "windows")'.dependencies]
   mimalloc = {
       # mimalloc v3
       optional = true,
       version = "=0.1.52",
       features = [
           "win_direct_tls",
       ]
   }