Merge pull request #1534 from DataDog/deprecate-2.0-docs

Declare EOL for Ruby 2.0 support

Author: ericmustin

ddtrace.gemspec

@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
   if RUBY_VERSION >= '2.2.0'
     spec.add_dependency 'msgpack'
   else
-    # msgpack 1.4 fails for Ruby 2.0 and 2.1: https://github.com/msgpack/msgpack-ruby/issues/205
+    # msgpack 1.4 fails for Ruby 2.1: https://github.com/msgpack/msgpack-ruby/issues/205
     spec.add_dependency 'msgpack', '< 1.4'
   end
 

docs/GettingStarted.md

@@ -101,7 +101,7 @@ To contribute, check out the [contribution guidelines][contribution docs] and [d
 |       |                            | 2.3     | Full                                 | Latest              |
 |       |                            | 2.2     | Full                                 | Latest              |
 |       |                            | 2.1     | Full                                 | Latest              |
-|       |                            | 2.0     | Deprecated                           | < 0.50.0            |
+|       |                            | 2.0     | EOL since June 7th, 2021             | < 0.50.0            |
 |       |                            | 1.9.3   | EOL since August 6th, 2020           | < 0.27.0            |
 |       |                            | 1.9.1   | EOL since August 6th, 2020           | < 0.27.0            |
 | JRuby | https://www.jruby.org      | 9.2     | Full                                 | Latest              |
@@ -1679,8 +1679,6 @@ Where `options` is an optional `Hash` that accepts the following parameters:
 | --- | ----------- | ------- |
 | `service_name` | Service name for `sequel` instrumentation | Name of database adapter (e.g. `'mysql2'`) |
 
-Only Ruby 2.0+ is supported.
-
 **Configuring databases to use different settings**
 
 If you use multiple databases with Sequel, you can give each of them different settings by configuring their respective `Sequel::Database` objects:

lib/ddtrace/version.rb

@@ -7,9 +7,7 @@ module VERSION
 
     STRING = [MAJOR, MINOR, PATCH, PRE].compact.join('.')
 
-    # Support for Ruby < 2.1 is currently deprecated in the tracer.
-    # Support will be dropped in the near future.
-    MINIMUM_RUBY_VERSION = '2.0.0'.freeze
+    MINIMUM_RUBY_VERSION = '2.1.0'.freeze
 
     # Ruby 3.2 is not supported: Ruby 3.x support as implemented using *args
     # needs ruby2_keywords to continue working, yet the scheduled removal of