diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d911716a42..81095b2d64 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -342,7 +342,7 @@ jobs:
           disable_search: true
           token: ${{ secrets.CODECOV_TOKEN }}
 
-      - uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
+      - uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5.4.2
         with:
           working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
           files: Library/Homebrew/test/coverage/coverage.xml
diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index ded380836c..67db5944a7 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -30,10 +30,10 @@ GEM
     method_source (1.1.0)
     minitest (5.25.5)
     netrc (0.11.0)
-    parallel (1.26.3)
+    parallel (1.27.0)
     parallel_tests (5.1.0)
       parallel
-    parser (3.3.7.4)
+    parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
     patchelf (1.5.1)
@@ -91,7 +91,7 @@ GEM
     rubocop-ast (1.44.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
-    rubocop-md (2.0.0)
+    rubocop-md (2.0.1)
       lint_roller (~> 1.1)
       rubocop (>= 1.72.1)
     rubocop-performance (1.25.0)
diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index 1f27b455ef..be9fd12085 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -104,6 +104,10 @@ HOMEBREW_CASKROOM="${HOMEBREW_PREFIX}/Caskroom"
 HOMEBREW_CACHE="${HOMEBREW_CACHE:-${HOMEBREW_DEFAULT_CACHE}}"
 HOMEBREW_LOGS="${HOMEBREW_LOGS:-${HOMEBREW_DEFAULT_LOGS}}"
 HOMEBREW_TEMP="${HOMEBREW_TEMP:-${HOMEBREW_DEFAULT_TEMP}}"
+if [[ ! -w "${HOMEBREW_TEMP}" ]]
+then
+  HOMEBREW_TEMP="${HOMEBREW_DEFAULT_TEMP}"
+fi
 
 # commands that take a single or no arguments.
 # HOMEBREW_LIBRARY set by bin/brew
diff --git a/Library/Homebrew/bundle/commands/exec.rb b/Library/Homebrew/bundle/commands/exec.rb
index b0c00a7a47..e84764383c 100644
--- a/Library/Homebrew/bundle/commands/exec.rb
+++ b/Library/Homebrew/bundle/commands/exec.rb
@@ -111,6 +111,14 @@ module Homebrew
           # For commands which aren't either absolute or relative
           raise "command was not found in your PATH: #{command}" if command.exclude?("/") && which(command).nil?
 
+          %w[HOMEBREW_TEMP TMPDIR HOMEBREW_TMPDIR].each do |var|
+            value = ENV.fetch(var, nil)
+            next if value.blank?
+            next if File.writable?(value)
+
+            ENV.delete(var)
+          end
+
           if subcommand == "env"
             ENV.sort.each do |key, value|
               # No need to export empty values.
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 47a6bbf872..1d5537d0a5 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -62,11 +62,11 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/method_source-1.1.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/minitest-5.25.5/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/netrc-0.11.0/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/parallel-1.26.3/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/parallel-1.27.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/parallel_tests-5.1.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/arm64-darwin-20/#{Gem.extension_api_version}/racc-1.8.1")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/racc-1.8.1/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/parser-3.3.7.4/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/parser-3.3.8.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/patchelf-1.5.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/plist-3.7.2/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/arm64-darwin-20/#{Gem.extension_api_version}/prism-1.4.0")
@@ -95,7 +95,7 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/unicode-emoji-4.0.4/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/unicode-display_width-3.1.4/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-1.75.2/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-md-2.0.0/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-md-2.0.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-performance-1.25.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-rspec-3.5.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rubocop-sorbet-0.10.0/lib")
diff --git a/docs/Prose-Style-Guidelines.md b/docs/Prose-Style-Guidelines.md
index 8b7703c493..ad64206f5a 100644
--- a/docs/Prose-Style-Guidelines.md
+++ b/docs/Prose-Style-Guidelines.md
@@ -23,7 +23,7 @@ Homebrew's audience includes users with a wide range of education and experience
 
 We strive for "correct" but not "fancy" usage. Think newspaper article, not academic paper.
 
-This is a set of guidelines to be applied using human judgement, not a set of hard and fast rules. It is like [The Economist's Style Guide](https://cdn.static-economist.com/sites/default/files/pdfs/style_guide_12.pdf) or [Garner's Modern American Usage](https://en.wikipedia.org/wiki/Garner's_Modern_American_Usage). It is less like the [Ruby Style Guide](https://github.com/rubocop-hq/ruby-style-guide#the-ruby-style-guide). All guidelines here are open to interpretation and discussion. 100% conformance to these guidelines is *not* a goal.
+This is a set of guidelines to be applied using human judgement, not a set of hard and fast rules. It is like [Garner's Modern American Usage](https://en.wikipedia.org/wiki/Garner's_Modern_American_Usage). It is less like the [Ruby Style Guide](https://github.com/rubocop-hq/ruby-style-guide#the-ruby-style-guide). All guidelines here are open to interpretation and discussion. 100% conformance to these guidelines is *not* a goal.
 
 The intent of this document is to help authors make decisions about clarity, style, and consistency. It is not to help settle arguments about who knows English better. Don't use this document to be a jerk.