Update master_changes.md

master_changes.md

@@ -31,10 +31,14 @@ users)
   * Simplify computation of OCaml init default `sys-ocaml-*` eval variables on Unix [#5829 @dra27]
   * Add a init OCaml `sys-ocaml-system` eval variable [#5829 @dra27]
   * Mark the internal cygwin installation as recommended [#5903 @kit-ty-kate]
+  * Check for gpatch instead of patch on NetBSD and DragonFlyBSD [#5893 @kit-ty-kate]
 
 ## Config report
 
 ## Actions
+  * Warn if GNU patch is not detected when a patch is applied [#5893 @kit-ty-kate]
+  * Use gpatch by default instead of patch on NetBSD and DragonFlyBSD [#5893 @kit-ty-kate]
+  * Use gpatch if it exists and is detected as GNU patch when "patch" is not GNU patch [#5893 @kit-ty-kate]
 
 ## Install
 
@@ -64,6 +68,7 @@ users)
 ## Lint
 
 ## Repository
+  * Warn if GNU patch is not detected during a repository update [#5893 @kit-ty-kate]
 
 ## Lock
 
@@ -180,3 +185,4 @@ users)
 ## opam-core
   * `OpamStd.Sys`: add `is_cygwin_variant_cygcheck` that returns true if in path `cygcheck` is from a Cygwin or MSYS2 installation [#5843 @rjbou]
   * `OpamStd.Env.cyg_env`: takes the environment to cygify, usually `OpamStd.Env.raw_env` [#5829 @dra27]
+  * `OpamSystem.patch` now displays a warning when GNU patch is not detected and looks for both patch and gpatch as a backup option depending on the OS [#5893 @kit-ty-kate]