CDRIVER-4580 announce plan to drop macOS 10.14 and 10.15 (#1217)

* announce plan to drop macOS 10.14 and 10.15

* note testing with macOS 10.14 will be dropped

* document macOS 11.0 is tested

* document both x86_64 and arm64 are tested

* add TODO comment to drop testing of macOS 10.14 after release of 1.24.0

* refer to macOS 11.0 in "How to Ask For Help"

* refer to "Supported Platforms" in CONTRIBUTING.md

* use "upcoming" in NEWS

This does not commit to dropping in 1.25.0 in case plans change.

* remove mention of macOS 10.15

Co-authored-by: Ezra Chung <[email protected]>

* remove comment

* Use "an"

Co-authored-by: Roberto C. Sánchez <[email protected]>

---------

Co-authored-by: Ezra Chung <[email protected]>
Co-authored-by: Roberto C. Sánchez <[email protected]>

Author: 3 people

CONTRIBUTING.md

@@ -15,13 +15,7 @@ The mongo-c-driver has a few guidelines that help direct the process.
 ### Portability
 
 mongo-c-driver is portable software. It needs to run on a multitude of
-operating systems and architectures.
-
- * Linux (RHEL 5 and newer)
- * FreeBSD (10 and newer)
- * Windows (Vista and newer)
- * macOS (10.8 and newer)
- * ARM/SPARC/x86/x86_64
+[Supported Platforms](https://mongoc.org/libmongoc/current/installing.html#supported-platforms).
 
 
 ### Licensing

NEWS

@@ -1,3 +1,9 @@
+libmongoc 1.24.0 (Unreleased)
+=============================
+
+  * Support for macOS 10.14 will be dropped in an upcoming release.
+
+
 libmongoc 1.23.2
 ================
 

README.rst

@@ -44,7 +44,7 @@ information:
 - The version of the driver you are trying to build (branch or tag).
     - Examples: ``r1.17`` (branch), ``1.9.5`` (tag)
 - Host OS, version, and architecture.
-    - Examples: Windows 10 64-bit x86, Ubuntu 16.04 64-bit x86, macOS 10.13
+    - Examples: Windows 10 64-bit x86, Ubuntu 16.04 64-bit x86, macOS 11.0
 - C Compiler and version.
     - Examples: GCC 7.3.0, Visual Studio Community 2017, clang 3.9, XCode 9.3
 - The output of any ``cmake``, ``make``, or other commands executed during the build.

src/libbson/NEWS

@@ -1,3 +1,8 @@
+libbson 1.24.0 (Unreleased)
+===========================
+
+  * Support for macOS 10.14 will be dropped in an upcoming release.
+
 libbson 1.23.2
 ==============
 

src/libmongoc/doc/installing.rst

@@ -12,7 +12,8 @@ The MongoDB C Driver is continuously tested on a variety of platforms including:
 
 - Archlinux
 - Debian 9.2, 10.0, 11.0
-- macOS 10.14
+- macOS 10.14 (Will be dropped in an upcoming release)
+- macOS 11.0 (x86_64 and arm64)
 - Microsoft Windows Server 2008, 2016
 - RHEL 7.0, 7.1, 8.1, 8.2, 8.3
 - Ubuntu 16.04, 18.04, 20.04