diff --git a/Library/Homebrew/cask/cask.rb b/Library/Homebrew/cask/cask.rb
index 8d37c14cf2..8a6f7fb7c1 100644
--- a/Library/Homebrew/cask/cask.rb
+++ b/Library/Homebrew/cask/cask.rb
@@ -24,10 +24,10 @@ module Cask
     attr_accessor :download, :allow_reassignment
 
     def self.all
-      # TODO: ideally avoid using ARGV by moving to e.g. CLI::Parser
-      if ARGV.exclude?("--eval-all") && !Homebrew::EnvConfig.eval_all?
-        odeprecated "Cask::Cask#all without --all or HOMEBREW_EVAL_ALL"
-      end
+      # TODO: uncomment for 3.7.0 and ideally avoid using ARGV by moving to e.g. CLI::Parser
+      # if !ARGV.include?("--eval-all") && !Homebrew::EnvConfig.eval_all?
+      #   odeprecated "Cask::Cask#all without --all or HOMEBREW_EVAL_ALL"
+      # end
 
       Tap.flat_map(&:cask_files).map do |f|
         CaskLoader::FromTapPathLoader.new(f).load(config: nil)
diff --git a/Library/Homebrew/cmd/deps.rb b/Library/Homebrew/cmd/deps.rb
index 2ca0ca80bc..541f341e4a 100644
--- a/Library/Homebrew/cmd/deps.rb
+++ b/Library/Homebrew/cmd/deps.rb
@@ -84,8 +84,8 @@ module Homebrew
     all = args.eval_all?
     if args.all?
       unless all
-        odisabled "brew deps --all",
-                  "brew deps --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew deps --all",
+                    "brew deps --eval-all or HOMEBREW_EVAL_ALL"
       end
       all = true
     end
diff --git a/Library/Homebrew/cmd/desc.rb b/Library/Homebrew/cmd/desc.rb
index 5fa27f4656..b38a8ae11f 100644
--- a/Library/Homebrew/cmd/desc.rb
+++ b/Library/Homebrew/cmd/desc.rb
@@ -45,7 +45,7 @@ module Homebrew
     args = desc_args.parse
 
     if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
-      odisabled "brew desc", "brew desc --eval-all or HOMEBREW_EVAL_ALL"
+      odeprecated "brew desc", "brew desc --eval-all or HOMEBREW_EVAL_ALL"
     end
 
     search_type = if args.search?
diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index d54e2c09ce..bb364b748c 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -110,7 +110,7 @@ module Homebrew
     elsif args.json
       all = args.eval_all?
       if !all && args.all? && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew info --all", "brew info --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew info --all", "brew info --eval-all or HOMEBREW_EVAL_ALL"
         all = true
       end
 
diff --git a/Library/Homebrew/cmd/options.rb b/Library/Homebrew/cmd/options.rb
index d83f825529..4b80fa5ad5 100644
--- a/Library/Homebrew/cmd/options.rb
+++ b/Library/Homebrew/cmd/options.rb
@@ -38,7 +38,7 @@ module Homebrew
 
     all = args.eval_all?
     if args.all?
-      odisabled "brew info --all", "brew info --eval-all" if !all && !Homebrew::EnvConfig.eval_all?
+      odeprecated "brew info --all", "brew info --eval-all" if !all && !Homebrew::EnvConfig.eval_all?
       all = true
     end
 
diff --git a/Library/Homebrew/cmd/readall.rb b/Library/Homebrew/cmd/readall.rb
index 7c9c3d7104..2c7bd4d0af 100644
--- a/Library/Homebrew/cmd/readall.rb
+++ b/Library/Homebrew/cmd/readall.rb
@@ -46,7 +46,7 @@ module Homebrew
     options = { aliases: args.aliases?, no_simulate: args.no_simulate? }
     taps = if args.no_named?
       if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew readall", "brew readall --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew readall", "brew readall --eval-all or HOMEBREW_EVAL_ALL"
       end
       Tap
     else
diff --git a/Library/Homebrew/cmd/search.rb b/Library/Homebrew/cmd/search.rb
index 386d07ebda..bcf50ebf70 100644
--- a/Library/Homebrew/cmd/search.rb
+++ b/Library/Homebrew/cmd/search.rb
@@ -78,7 +78,7 @@ module Homebrew
 
     if args.desc?
       if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew search --desc", "brew search --desc --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew search --desc", "brew search --desc --eval-all or HOMEBREW_EVAL_ALL"
       end
       Search.search_descriptions(string_or_regex, args)
     elsif args.pull_request?
diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 0b4e6b0f73..c194823d44 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -109,14 +109,14 @@ module Homebrew
       all = args.eval_all?
       if args.all?
         unless all
-          odisabled "brew uses --all",
-                    "brew uses --eval-all or HOMEBREW_EVAL_ALL"
+          odeprecated "brew uses --all",
+                      "brew uses --eval-all or HOMEBREW_EVAL_ALL"
         end
         all = true
       end
 
       if !args.installed? && !(all || Homebrew::EnvConfig.eval_all?)
-        odisabled "brew uses", "brew uses --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew uses", "brew uses --eval-all or HOMEBREW_EVAL_ALL"
       end
       if show_formulae_and_casks || args.formula?
         deps += args.installed? ? Formula.installed : Formula.all
diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index 62cf434b25..25d2990883 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -134,16 +134,17 @@ module Homebrew
       [Formula.installed, Cask::Caskroom.casks]
     elsif args.no_named?
       if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew audit",
-                  "brew audit --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew audit",
+                    "brew audit --eval-all or HOMEBREW_EVAL_ALL"
       end
       no_named_args = true
       [Formula.all, Cask::Cask.all]
     else
-      if args.named.any? { |named_arg| named_arg.end_with?(".rb") }
-        odeprecated "brew audit [path ...]",
-                    "brew audit [name ...]"
-      end
+      # TODO: Add deprecation
+      # if args.named.any? { |named_arg| named_arg.end_with?(".rb") }
+      #   odeprecated "brew audit [path ...]",
+      #               "brew audit [name ...]"
+      # end
 
       args.named.to_formulae_and_casks
           .partition { |formula_or_cask| formula_or_cask.is_a?(Formula) }
diff --git a/Library/Homebrew/dev-cmd/generate-man-completions.rb b/Library/Homebrew/dev-cmd/generate-man-completions.rb
index 1732a7a445..cacae0ff9e 100644
--- a/Library/Homebrew/dev-cmd/generate-man-completions.rb
+++ b/Library/Homebrew/dev-cmd/generate-man-completions.rb
@@ -30,7 +30,7 @@ module Homebrew
   def generate_man_completions
     args = generate_man_completions_args.parse
 
-    odisabled "brew generate-man-completions --fail-if-not-changed" if args.fail_if_not_changed?
+    odeprecated "brew generate-man-completions --fail-if-not-changed" if args.fail_if_not_changed?
 
     Commands.rebuild_internal_commands_completion_list
     Manpages.regenerate_man_pages(quiet: args.quiet?)
diff --git a/Library/Homebrew/dev-cmd/livecheck.rb b/Library/Homebrew/dev-cmd/livecheck.rb
index a9a4312577..3b87f7bf13 100644
--- a/Library/Homebrew/dev-cmd/livecheck.rb
+++ b/Library/Homebrew/dev-cmd/livecheck.rb
@@ -59,7 +59,7 @@ module Homebrew
 
     all = args.eval_all?
     if args.all?
-      odisabled "brew livecheck --all", "brew livecheck --eval-all" if !all && !Homebrew::EnvConfig.eval_all?
+      odeprecated "brew livecheck --all", "brew livecheck --eval-all" if !all && !Homebrew::EnvConfig.eval_all?
       all = true
     end
 
diff --git a/Library/Homebrew/dev-cmd/typecheck.rb b/Library/Homebrew/dev-cmd/typecheck.rb
index 05aa183035..b68a18834e 100644
--- a/Library/Homebrew/dev-cmd/typecheck.rb
+++ b/Library/Homebrew/dev-cmd/typecheck.rb
@@ -51,7 +51,7 @@ module Homebrew
 
     HOMEBREW_LIBRARY_PATH.cd do
       if args.update? || args.update_all?
-        odisabled "brew typecheck --update --fail-if-not-changed" if args.fail_if_not_changed?
+        odeprecated "brew typecheck --update --fail-if-not-changed" if args.fail_if_not_changed?
 
         excluded_gems = [
           "did_you_mean", # RBI file is already provided by Sorbet
diff --git a/Library/Homebrew/dev-cmd/unbottled.rb b/Library/Homebrew/dev-cmd/unbottled.rb
index 5fa7c6e336..be766a15f2 100644
--- a/Library/Homebrew/dev-cmd/unbottled.rb
+++ b/Library/Homebrew/dev-cmd/unbottled.rb
@@ -56,7 +56,7 @@ module Homebrew
     all = args.eval_all?
     if args.total?
       if !all && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew unbottled --total", "brew unbottled --total --eval-all or HOMEBREW_EVAL_ALL"
+        odeprecated "brew unbottled --total", "brew unbottled --total --eval-all or HOMEBREW_EVAL_ALL"
       end
       all = true
     end
@@ -100,7 +100,7 @@ module Homebrew
       formulae = all_formulae = args.named.to_formulae
     elsif args.dependents?
       if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
-        odisabled "brew unbottled --dependents", "brew unbottled --all --dependents or HOMEBREW_EVAL_ALL"
+        odeprecated "brew unbottled --dependents", "brew unbottled --all --dependents or HOMEBREW_EVAL_ALL"
       end
       formulae = all_formulae = Formula.all
 
diff --git a/Library/Homebrew/dev-cmd/update-license-data.rb b/Library/Homebrew/dev-cmd/update-license-data.rb
index 05326a9ac1..a83fe60055 100644
--- a/Library/Homebrew/dev-cmd/update-license-data.rb
+++ b/Library/Homebrew/dev-cmd/update-license-data.rb
@@ -28,7 +28,7 @@ module Homebrew
 
   def update_license_data
     args = update_license_data_args.parse
-    odisabled "brew update-license-data --fail-if-not-changed" if args.fail_if_not_changed?
+    odeprecated "brew update-license-data --fail-if-not-changed" if args.fail_if_not_changed?
 
     SPDX.download_latest_license_data!
     diff = system_command "git", args: [
diff --git a/Library/Homebrew/extend/os/linux/linkage_checker.rb b/Library/Homebrew/extend/os/linux/linkage_checker.rb
index bb3ac1cf57..2f672353d3 100644
--- a/Library/Homebrew/extend/os/linux/linkage_checker.rb
+++ b/Library/Homebrew/extend/os/linux/linkage_checker.rb
@@ -14,6 +14,7 @@ class LinkageChecker
     libdl.so.2
     libm.so.6
     libmvec.so.1
+    libnsl.so.1
     libnss_files.so.2
     libpthread.so.0
     libresolv.so.2
@@ -40,9 +41,13 @@ class LinkageChecker
     # If there's no library deprecated/disabled handling left:
     # - Remove the `display_` overrides here and the associated generic aliases in HOMEBREW_LIBRARY/linkage_checker.rb
 
+    odisabled "linkage to libcrypt.so.1", "libcrypt.so.2 in the libxcrypt formula" if @libcrypt_found
+
     return unless @libnsl_found
 
-    odisabled "linkage to libnsl.so.1", "libnsl.so.3 in the libnsl formula"
+    odeprecated "linkage to libnsl.so.1", "libnsl.so.3 in the libnsl formula",
+                disable:                fail_on_libnsl1?(strict: strict),
+                disable_for_developers: false
   end
 
   def display_normal_output
@@ -56,14 +61,19 @@ class LinkageChecker
   end
 
   def broken_library_linkage?(test: false, strict: false)
-    generic_broken_library_linkage?(test: test, strict: strict) || @libnsl_found
+    generic_broken_library_linkage?(test: test, strict: strict) || (fail_on_libnsl1?(strict: strict) && @libnsl_found)
   end
 
   private
 
+  def fail_on_libnsl1?(strict:)
+    strict || ENV["HOMEBREW_DISALLOW_LIBNSL1"].present?
+  end
+
   def check_dylibs(rebuild_cache:)
     generic_check_dylibs(rebuild_cache: rebuild_cache)
 
+    @libcrypt_found = true if @system_dylibs.any? { |s| File.basename(s) == "libcrypt.so.1" }
     @libnsl_found = true if @system_dylibs.any? { |s| File.basename(s) == "libnsl.so.1" }
 
     # glibc and gcc are implicit dependencies.
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 18e34c6cf3..2f481a4623 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1017,7 +1017,8 @@ class Formula
   # The generated launchd {.plist} file path.
   sig { returns(Pathname) }
   def plist_path
-    odeprecated "formula.plist_path", "formula.launchd_service_path"
+    # TODO: Add deprecation
+    # odeprecated "formula.plist_path", "formula.launchd_service_path"
     launchd_service_path
   end
 
@@ -1835,10 +1836,10 @@ class Formula
   # this should only be used when users specify `--all` to a command
   # @private
   def self.all
-    # TODO: ideally avoid using ARGV by moving to e.g. CLI::Parser
-    if ARGV.exclude?("--eval-all") && !Homebrew::EnvConfig.eval_all?
-      odeprecated "Formula#all without --all or HOMEBREW_EVAL_ALL"
-    end
+    # TODO: uncomment for 3.7.0 and ideally avoid using ARGV by moving to e.g. CLI::Parser
+    # if !ARGV.include?("--eval-all") && !Homebrew::EnvConfig.eval_all?
+    #   odeprecated "Formula#all without --all or HOMEBREW_EVAL_ALL"
+    # end
 
     files.map do |file|
       Formulary.factory(file)
@@ -3164,7 +3165,8 @@ class Formula
     #
     # @deprecated Please use {Homebrew::Service.require_root} instead.
     def plist_options(options)
-      odeprecated "plist_options", "service.require_root"
+      # TODO: Deprecate
+      # odeprecated "plist_options", "service.require_root"
       @plist_startup = options[:startup]
       @plist_manual = options[:manual]
     end
@@ -3449,7 +3451,6 @@ class Formula
 
     # Permit links to certain libraries that don't exist. Available on Linux only.
     def ignore_missing_libraries(*libs)
-      odeprecated "ignore_missing_libraries"
       unless Homebrew::SimulateSystem.simulating_or_running_on_linux?
         raise FormulaSpecificationError, "#{__method__} is available on Linux only"
       end
diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index b479a7e8e9..fa15e9a68e 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -1051,9 +1051,9 @@ class FormulaInstaller
 
     return unless service
 
-    launchd_service_path = formula.launchd_service_path
-    launchd_service_path.atomic_write(service)
-    launchd_service_path.chmod 0644
+    plist_path = formula.plist_path
+    plist_path.atomic_write(service)
+    plist_path.chmod 0644
     log = formula.var/"log"
     log.mkpath if service.include? log.to_s
   rescue Exception => e # rubocop:disable Lint/RescueException
diff --git a/Library/Homebrew/rubocops/components_order.rb b/Library/Homebrew/rubocops/components_order.rb
index 6759b22106..d4becfa86f 100644
--- a/Library/Homebrew/rubocops/components_order.rb
+++ b/Library/Homebrew/rubocops/components_order.rb
@@ -131,6 +131,7 @@ module RuboCop
             fails_with
             resource
             patch
+            ignore_missing_libraries
           ]
           on_system_allowed_methods += on_system_methods.map(&:to_s)
           _, offensive_node = check_order(component_precedence_list, on_system_block.body)
diff --git a/Library/Homebrew/test/caveats_spec.rb b/Library/Homebrew/test/caveats_spec.rb
index 463c3dd7a0..ca6de291c7 100644
--- a/Library/Homebrew/test/caveats_spec.rb
+++ b/Library/Homebrew/test/caveats_spec.rb
@@ -44,6 +44,17 @@ describe Caveats do
         expect(described_class.new(f).caveats).to include("provides a launchd plist which can only be used on macOS!")
       end
 
+      it "prints plist startup information when f.plist_startup is not nil" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+          plist_options startup: true
+        end
+        expect(described_class.new(f).caveats).to include("startup")
+      end
+
       it "prints plist login information when f.plist_startup is nil" do
         f = formula do
           url "foo-1.0"
@@ -54,6 +65,39 @@ describe Caveats do
         expect(described_class.new(f).caveats).to include("login")
       end
 
+      it "gives information about restarting services after upgrade" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+          plist_options startup: true
+        end
+        f_obj = described_class.new(f)
+        plist_path = mktmpdir/"plist"
+        FileUtils.touch plist_path
+        allow(f_obj).to receive(:plist_path).and_return(plist_path)
+        allow(Homebrew).to receive(:_system).and_return(true)
+        allow(Homebrew).to receive(:_system).with("/bin/launchctl list #{f.plist_name} &>/dev/null").and_return(true)
+        allow(plist_path).to receive(:symlink?).and_return(true)
+        expect(f_obj.caveats).to include("restart #{f.full_name}")
+        expect(f_obj.caveats).to include("sudo")
+      end
+
+      it "gives information about plist_manual" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+          plist_options manual: "foo"
+        end
+        caveats = described_class.new(f).caveats
+
+        expect(caveats).to include("background service")
+        expect(caveats).to include(f.plist_manual)
+      end
+
       it "gives information about service" do
         f = formula do
           url "foo-1.0"
@@ -97,6 +141,7 @@ describe Caveats do
           service do
             run [bin/"cmd"]
           end
+          plist_options startup: true
         end
 
         allow_any_instance_of(Object).to receive(:which).with("launchctl").and_return(nil)
@@ -104,13 +149,13 @@ describe Caveats do
         expect(described_class.new(f).caveats).to include("service which can only be used on macOS or systemd!")
       end
 
-      it "prints service startup information when service.require_root is true" do
+      it "prints service startup information when f.plist_startup is not nil" do
         f = formula do
           url "foo-1.0"
           service do
             run [bin/"cmd"]
-            require_root true
           end
+          plist_options startup: true
         end
         cmd = "#{HOMEBREW_CELLAR}/formula_name/1.0/bin/cmd"
         allow(Homebrew).to receive(:_system).and_return(true)
@@ -131,6 +176,21 @@ describe Caveats do
         expect(described_class.new(f).caveats).to include("login")
       end
 
+      it "gives information about plist_options restarting services after upgrade" do
+        f = formula do
+          url "foo-1.0"
+          service do
+            run [bin/"cmd"]
+          end
+          plist_options startup: true
+        end
+        cmd = "#{HOMEBREW_CELLAR}/formula_name/1.0/bin/cmd"
+        f_obj = described_class.new(f)
+        allow(Homebrew).to receive(:_system).and_return(true)
+        expect(Homebrew).to receive(:_system).with("ps aux | grep #{cmd}").and_return(true)
+        expect(f_obj.caveats).to include("  sudo brew services restart #{f.full_name}")
+      end
+
       it "gives information about require_root restarting services after upgrade" do
         f = formula do
           url "foo-1.0"
diff --git a/Library/Homebrew/test/formula_installer_spec.rb b/Library/Homebrew/test/formula_installer_spec.rb
index eefe8aff75..2b39cef1df 100644
--- a/Library/Homebrew/test/formula_installer_spec.rb
+++ b/Library/Homebrew/test/formula_installer_spec.rb
@@ -203,11 +203,11 @@ describe FormulaInstaller do
   describe "#install_service" do
     it "works if plist is set" do
       formula = Testball.new
-      path = formula.launchd_service_path
+      path = formula.plist_path
       formula.opt_prefix.mkpath
 
       expect(formula).to receive(:plist).twice.and_return("PLIST")
-      expect(formula).to receive(:launchd_service_path).and_call_original
+      expect(formula).to receive(:plist_path).and_call_original
 
       installer = described_class.new(formula)
       expect {
@@ -219,7 +219,7 @@ describe FormulaInstaller do
 
     it "works if service is set" do
       formula = Testball.new
-      launchd_service_path = formula.launchd_service_path
+      plist_path = formula.plist_path
       service_path = formula.systemd_service_path
       service = Homebrew::Service.new(formula)
       formula.opt_prefix.mkpath
@@ -227,7 +227,7 @@ describe FormulaInstaller do
       expect(formula).to receive(:plist).and_return(nil)
       expect(formula).to receive(:service?).exactly(3).and_return(true)
       expect(formula).to receive(:service).exactly(5).and_return(service)
-      expect(formula).to receive(:launchd_service_path).and_call_original
+      expect(formula).to receive(:plist_path).and_call_original
       expect(formula).to receive(:systemd_service_path).and_call_original
 
       expect(service).to receive(:timed?).and_return(false)
@@ -240,13 +240,13 @@ describe FormulaInstaller do
         installer.install_service
       }.not_to output(/Error: Failed to install service files/).to_stderr
 
-      expect(launchd_service_path).to exist
+      expect(plist_path).to exist
       expect(service_path).to exist
     end
 
     it "works if timed service is set" do
       formula = Testball.new
-      launchd_service_path = formula.launchd_service_path
+      plist_path = formula.plist_path
       service_path = formula.systemd_service_path
       timer_path = formula.systemd_timer_path
       service = Homebrew::Service.new(formula)
@@ -255,7 +255,7 @@ describe FormulaInstaller do
       expect(formula).to receive(:plist).and_return(nil)
       expect(formula).to receive(:service?).exactly(3).and_return(true)
       expect(formula).to receive(:service).exactly(6).and_return(service)
-      expect(formula).to receive(:launchd_service_path).and_call_original
+      expect(formula).to receive(:plist_path).and_call_original
       expect(formula).to receive(:systemd_service_path).and_call_original
       expect(formula).to receive(:systemd_timer_path).and_call_original
 
@@ -270,19 +270,19 @@ describe FormulaInstaller do
         installer.install_service
       }.not_to output(/Error: Failed to install service files/).to_stderr
 
-      expect(launchd_service_path).to exist
+      expect(plist_path).to exist
       expect(service_path).to exist
       expect(timer_path).to exist
     end
 
     it "returns without definition" do
       formula = Testball.new
-      path = formula.launchd_service_path
+      path = formula.plist_path
       formula.opt_prefix.mkpath
 
       expect(formula).to receive(:plist).and_return(nil)
       expect(formula).to receive(:service?).exactly(3).and_return(nil)
-      expect(formula).not_to receive(:launchd_service_path)
+      expect(formula).not_to receive(:plist_path)
       expect(formula).not_to receive(:to_systemd_unit)
 
       installer = described_class.new(formula)
@@ -295,13 +295,13 @@ describe FormulaInstaller do
 
     it "errors with duplicate definition" do
       formula = Testball.new
-      path = formula.launchd_service_path
+      path = formula.plist_path
       formula.opt_prefix.mkpath
 
       expect(formula).to receive(:plist).and_return("plist")
       expect(formula).to receive(:service?).and_return(true)
       expect(formula).not_to receive(:service)
-      expect(formula).not_to receive(:launchd_service_path)
+      expect(formula).not_to receive(:plist_path)
 
       installer = described_class.new(formula)
       expect {
diff --git a/Library/Homebrew/test/formula_spec.rb b/Library/Homebrew/test/formula_spec.rb
index 6248ca8a9d..59b344e37b 100644
--- a/Library/Homebrew/test/formula_spec.rb
+++ b/Library/Homebrew/test/formula_spec.rb
@@ -1845,6 +1845,54 @@ describe Formula do
     end
   end
 
+  describe "#ignore_missing_libraries" do
+    after do
+      Homebrew::SimulateSystem.clear
+    end
+
+    it "adds library to allowed_missing_libraries on Linux", :needs_linux do
+      Homebrew::SimulateSystem.clear
+      f = formula do
+        url "foo-1.0"
+
+        ignore_missing_libraries "bar.so"
+      end
+      expect(f.class.allowed_missing_libraries.to_a).to eq(["bar.so"])
+    end
+
+    it "adds library to allowed_missing_libraries on macOS when simulating Linux", :needs_macos do
+      Homebrew::SimulateSystem.os = :linux
+      f = formula do
+        url "foo-1.0"
+
+        ignore_missing_libraries "bar.so"
+      end
+      expect(f.class.allowed_missing_libraries.to_a).to eq(["bar.so"])
+    end
+
+    it "raises an error on macOS", :needs_macos do
+      Homebrew::SimulateSystem.clear
+      expect {
+        formula do
+          url "foo-1.0"
+
+          ignore_missing_libraries "bar.so"
+        end
+      }.to raise_error("ignore_missing_libraries is available on Linux only")
+    end
+
+    it "raises an error on Linux when simulating macOS", :needs_linux do
+      Homebrew::SimulateSystem.os = :macos
+      expect {
+        formula do
+          url "foo-1.0"
+
+          ignore_missing_libraries "bar.so"
+        end
+      }.to raise_error("ignore_missing_libraries is available on Linux only")
+    end
+  end
+
   describe "#generate_completions_from_executable" do
     let(:f) do
       Class.new(Testball) do
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index cb9aae4e06..24651e9579 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -398,8 +398,9 @@ module Kernel
   end
 
   # GZips the given paths, and returns the gzipped paths.
+  # TODO: Add deprecation
+  # odeprecated "Utils.gzip" "Utils::Gzip.compress"
   def gzip(*paths)
-    odeprecated "Utils.gzip", "Utils::Gzip.compress"
     Utils::Gzip.compress(*paths)
   end