Tweaks in response to reviews.

Author: rwgk

docs/upgrade.rst

@@ -411,7 +411,7 @@ error is raised if the compiler does not meet the requirements:
 
 * GCC >= 4.8
 * clang >= 3.3 (appleclang >= 5.0)
-* MSVC >= 2017
+* MSVC >= 2015u3
 * Intel C++ >= 15.0
 
 

include/pybind11/detail/common.h

@@ -822,9 +822,7 @@ struct is_template_base_of_impl {
 /// Check if a template is the base of a type. For example:
 /// `is_template_base_of<Base, T>` is true if `struct T : Base<U> {}` where U can be anything
 template <template <typename...> class Base, typename T>
-#if defined(PYBIND11_CPP20) || !defined(_MSC_VER)                                                 \
-    || _MSC_VER > 1930 /* Increment as needed, let MS know please. */
-//     https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros
+#if defined(PYBIND11_CPP20) || !defined(_MSC_VER) // Sadly, all MSVC versions incl. 2022 need this.
 using is_template_base_of
     = decltype(is_template_base_of_impl<Base>::check((intrinsic_t<T> *) nullptr));
 #else