Prepare 2.2.1pre dependencies

Simplify development dependency constraints, refresh the lockfile, and
note Ruby 2.7 compatibility limits in History.

Author: evolve75

Gemfile.lock

@@ -2,96 +2,108 @@ PATH
   remote: .
   specs:
     rubytree (2.2.1pre)
-      json (~> 2.0, > 2.9)
+      json (~> 2.18)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.2)
-    date (3.4.1)
-    diff-lcs (1.5.1)
+    ast (2.4.3)
+    cgi (0.5.1)
+    date (3.5.1)
+    diff-lcs (1.6.2)
     docile (1.4.1)
-    json (2.9.1)
-    language_server-protocol (3.17.0.3)
-    parallel (1.26.3)
-    parser (3.3.6.0)
+    erb (4.0.4)
+      cgi (>= 0.3.3)
+    json (2.18.1)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    parallel (1.27.0)
+    parser (3.3.10.1)
       ast (~> 2.4.1)
       racc
-    power_assert (2.0.4)
-    psych (5.2.2)
+    power_assert (3.0.1)
+    prism (1.9.0)
+    psych (5.3.1)
       date
       stringio
     racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.2.1)
-    rdoc (6.10.0)
+    rake (13.3.1)
+    rdoc (7.1.0)
+      erb
       psych (>= 4.0.0)
-    regexp_parser (2.9.3)
-    rspec (3.13.0)
+      tsort
+    regexp_parser (2.11.3)
+    rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
       rspec-mocks (~> 3.13.0)
-    rspec-core (3.13.2)
+    rspec-core (3.13.6)
       rspec-support (~> 3.13.0)
-    rspec-expectations (3.13.3)
+    rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.2)
+    rspec-mocks (3.13.7)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-support (3.13.2)
+    rspec-support (3.13.7)
     rtags (0.97)
     rtagstask (0.0.4)
       rtags (> 0.0.0)
-    rubocop (1.69.2)
+    rubocop (1.84.1)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.36.2, < 2.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.37.0)
-      parser (>= 3.3.1.0)
-    rubocop-rake (0.6.0)
-      rubocop (~> 1.0)
-    rubocop-rspec (3.3.0)
-      rubocop (~> 1.61)
+    rubocop-ast (1.49.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-rake (0.7.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1)
+    rubocop-rspec (3.9.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.81)
     ruby-progressbar (1.13.0)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.13.1)
-    simplecov-lcov (0.8.0)
+    simplecov-html (0.13.2)
+    simplecov-lcov (0.9.0)
     simplecov_json_formatter (0.1.4)
-    stringio (3.1.2)
-    test-unit (3.6.7)
+    stringio (3.2.0)
+    test-unit (3.7.7)
       power_assert
-    unicode-display_width (3.1.2)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
-    yard (0.9.37)
+    tsort (0.2.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    yard (0.9.38)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bundler (~> 2.3)
-  rake (~> 13.2)
-  rdoc (~> 6.10)
-  rspec (~> 3.0, >= 3.13)
-  rtagstask (~> 0.0.4)
-  rubocop (~> 1.69)
-  rubocop-rake (~> 0.6)
-  rubocop-rspec (~> 3.3)
+  rake (~> 13.3)
+  rdoc (~> 7.1)
+  rspec (~> 3.13)
+  rtagstask (~> 0.0)
+  rubocop (~> 1.84)
+  rubocop-rake (~> 0.7)
+  rubocop-rspec (~> 3.9)
   rubytree!
   simplecov (~> 0.22)
-  simplecov-lcov (~> 0.8)
-  test-unit (~> 3.6)
-  yard (~> 0.0, >= 0.9.37)
+  simplecov-lcov (~> 0.9)
+  test-unit (~> 3.7)
+  yard (~> 0.9)
 
 BUNDLED WITH
    2.3.4

History.md

@@ -1,5 +1,11 @@
 # History of Changes
 
+### 2.2.1pre / 2026-02-07
+
+* Simplified development dependency constraints while maintaining Ruby 2.7+
+  compatibility. Some upstream updates (e.g., `diff-lcs` 2.x, `erb` 6.x) remain
+  on current versions due to Ruby 2.7 support.
+
 ### 2.2.0 / 2026-02-06
 
 * Prevent cycles by rejecting attempts to add an ancestor as a child.

rubytree.gemspec

@@ -3,7 +3,7 @@
 #
 # Author:: Anupam Sengupta (anupamsg@gmail.com)
 #
-# Copyright (c) 2012-2024 Anupam Sengupta. All rights reserved.
+# Copyright (c) 2012-2024, 2026 Anupam Sengupta. All rights reserved.
 #
 # frozen_string_literal: true
 
@@ -64,27 +64,31 @@ Gem::Specification.new do |s|
                             '--main', 'README.md',
                             '--quiet']
 
-  s.add_runtime_dependency 'json', '~> 2.0', '> 2.9'
+  s.add_runtime_dependency 'json', '~> 2.18'
 
   # NOTE: Rake is added as a development and test dependency in the Gemfile.
   s.add_development_dependency 'bundler', '~> 2.3'
-  s.add_development_dependency 'rake', '~> 13.2'
-  s.add_development_dependency 'rdoc', '~> 6.10'
-  s.add_development_dependency 'rspec', '~> 3.0', '>= 3.13'
-  s.add_development_dependency 'rtagstask', '~> 0.0.4'
-  s.add_development_dependency 'rubocop', '~> 1.69'
-  s.add_development_dependency 'rubocop-rake', '~> 0.6'
-  s.add_development_dependency 'rubocop-rspec', '~> 3.3'
+  s.add_development_dependency 'rake', '~> 13.3'
+  s.add_development_dependency 'rdoc', '~> 7.1'
+  s.add_development_dependency 'rspec', '~> 3.13'
+  s.add_development_dependency 'rtagstask', '~> 0.0'
+  s.add_development_dependency 'rubocop', '~> 1.84'
+  s.add_development_dependency 'rubocop-rake', '~> 0.7'
+  s.add_development_dependency 'rubocop-rspec', '~> 3.9'
   s.add_development_dependency 'simplecov', '~> 0.22'
-  s.add_development_dependency 'simplecov-lcov', '~> 0.8'
-  s.add_development_dependency 'test-unit', '~> 3.6'
-  s.add_development_dependency 'yard', '~> 0.0', '>= 0.9.37'
+  s.add_development_dependency 'simplecov-lcov', '~> 0.9'
+  s.add_development_dependency 'test-unit', '~> 3.7'
+  s.add_development_dependency 'yard', '~> 0.9'
 
   s.post_install_message = <<-END_MESSAGE
     ========================================================================
                     Thank you for installing RubyTree.
 
     Note::
+
+    - 2.2.0 is a minor update that improves tree integrity checks,
+            traversal robustness, and node management edge cases.
+
     - 2.1.1 is a minor update that updates all dependencies and
             Updates the guard clause for creating a tree from a hash.
 
@@ -95,20 +99,6 @@ Gem::Specification.new do |s|
     - 2.0.0 is a major release with BREAKING API changes.
             See `API-CHANGES.md` for details.
 
-    - `Tree::TreeNode#depth` method has been removed (it was broken).
-
-    - Support for `CamelCase` methods names has bee removed.
-
-    - The predicate methods no longer have `is_` or `has_` prefixes. However,
-      aliases with these prefixes exist to support existing client code.
-
-    - Use of integers as node names does not require the optional
-      `num_as_name` flag.
-
-    - `structured_warnings` is no longer a dependency.
-
-    - Explicit support for rbx Ruby has been removed.
-
     ========================================================================
   END_MESSAGE
 end