diff --git a/mdbx/mdbx.h b/mdbx/mdbx.h
index 1e71f1a..2ca9a4e 100644
--- a/mdbx/mdbx.h
+++ b/mdbx/mdbx.h
@@ -324,7 +324,8 @@ typedef mode_t mdbx_mode_t;
 #endif /* MDBX_DEPRECATED */
 
 #ifndef __dll_export
-#if defined(_WIN32) || defined(__CYGWIN__)
+#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__) ||               \
+    defined(__MINGW__) || defined(__MINGW32__) || defined(__MINGW64__)
 #if defined(__GNUC__) || __has_attribute(__dllexport__)
 #define __dll_export __attribute__((__dllexport__))
 #elif defined(_MSC_VER)
@@ -340,7 +341,8 @@ typedef mode_t mdbx_mode_t;
 #endif /* __dll_export */
 
 #ifndef __dll_import
-#if defined(_WIN32) || defined(__CYGWIN__)
+#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__) ||               \
+    defined(__MINGW__) || defined(__MINGW32__) || defined(__MINGW64__)
 #if defined(__GNUC__) || __has_attribute(__dllimport__)
 #define __dll_import __attribute__((__dllimport__))
 #elif defined(_MSC_VER)
@@ -457,8 +459,13 @@ typedef mode_t mdbx_mode_t;
 
 #ifndef MDBX_PRINTF_ARGS
 #if defined(__GNUC__) || __has_attribute(__format__)
+#if defined(__MINGW__) || defined(__MINGW32__) || defined(__MINGW64__)
+#define MDBX_PRINTF_ARGS(format_index, first_arg)                              \
+  __attribute__((__format__(__gnu_printf__, format_index, first_arg)))
+#else
 #define MDBX_PRINTF_ARGS(format_index, first_arg)                              \
   __attribute__((__format__(__printf__, format_index, first_arg)))
+#endif /* MinGW */
 #else
 #define MDBX_PRINTF_ARGS(format_index, first_arg)
 #endif
@@ -2880,10 +2887,15 @@ LIBMDBX_API int mdbx_env_get_fd(const MDBX_env *env, mdbx_filehandle_t *fd);
  *          some possible errors are:
  * \retval MDBX_EINVAL    An invalid parameter was specified,
  *                        or the environment has an active write transaction.
- * \retval MDBX_EPERM     Specific for Windows: Shrinking was disabled before
- *                        and now it wanna be enabled, but there are reading
- *                        threads that don't use the additional `SRWL` (that
- *                        is required to avoid Windows issues).
+ * \retval MDBX_EPERM     Two specific cases for Windows:
+ *                        1) Shrinking was disabled before via geometry settings
+ *                        and now it enabled, but there are reading threads that
+ *                        don't use the additional `SRWL` (which is required to
+ *                        avoid Windows issues).
+ *                        2) Temporary close memory mapped is required to change
+ *                        geometry, but there read transaction(s) is running
+ *                        and no corresponding thread(s) could be suspended
+ *                        since the \ref MDBX_NOTLS mode is used.
  * \retval MDBX_EACCESS   The environment opened in read-only.
  * \retval MDBX_MAP_FULL  Specified size smaller than the space already
  *                        consumed by the environment.