diff --git a/Library/Homebrew/service.rb b/Library/Homebrew/service.rb
index cec0e9e546..1447935bfd 100644
--- a/Library/Homebrew/service.rb
+++ b/Library/Homebrew/service.rb
@@ -47,6 +47,30 @@ module Homebrew
       end
     end
 
+    sig { params(path: T.nilable(T.any(String, Pathname))).returns(T.nilable(String)) }
+    def root_dir(path = nil)
+      case T.unsafe(path)
+      when nil
+        @root_dir
+      when String, Pathname
+        @root_dir = path.to_s
+      else
+        raise TypeError, "Service#root_dir expects a String"
+      end
+    end
+
+    sig { params(path: T.nilable(T.any(String, Pathname))).returns(T.nilable(String)) }
+    def input_path(path = nil)
+      case T.unsafe(path)
+      when nil
+        @input_path
+      when String, Pathname
+        @input_path = path.to_s
+      else
+        raise TypeError, "Service#input_path expects a String"
+      end
+    end
+
     sig { params(path: T.nilable(T.any(String, Pathname))).returns(T.nilable(String)) }
     def log_path(path = nil)
       case T.unsafe(path)
@@ -83,6 +107,18 @@ module Homebrew
       end
     end
 
+    sig { params(value: T.nilable(Integer)).returns(T.nilable(Integer)) }
+    def restart_delay(value = nil)
+      case T.unsafe(value)
+      when nil
+        @restart_delay
+      when Integer
+        @restart_delay = value
+      else
+        raise TypeError, "Service#restart_delay expects an Integer"
+      end
+    end
+
     sig { params(type: T.nilable(T.any(String, Symbol))).returns(T.nilable(String)) }
     def run_type(type = nil)
       case T.unsafe(type)
@@ -111,6 +147,18 @@ module Homebrew
       end
     end
 
+    sig { params(value: T.nilable(T::Boolean)).returns(T.nilable(T::Boolean)) }
+    def macos_legacy_timers(value = nil)
+      case T.unsafe(value)
+      when nil
+        @macos_legacy_timers
+      when true, false
+        @macos_legacy_timers = value
+      else
+        raise TypeError, "Service#macos_legacy_timers expects a Boolean"
+      end
+    end
+
     delegate [:bin, :etc, :libexec, :opt_bin, :opt_libexec, :opt_pkgshare, :opt_prefix, :opt_sbin, :var] => :@formula
 
     sig { returns(String) }
@@ -135,7 +183,11 @@ module Homebrew
       }
 
       base[:KeepAlive] = @keep_alive if @keep_alive == true
+      base[:LegacyTimers] = @macos_legacy_timers if @macos_legacy_timers == true
+      base[:TimeOut] = @restart_delay if @restart_delay.present?
       base[:WorkingDirectory] = @working_dir if @working_dir.present?
+      base[:RootDirectory] = @root_dir if @root_dir.present?
+      base[:StandardInPath] = @input_path if @input_path.present?
       base[:StandardOutPath] = @log_path if @log_path.present?
       base[:StandardErrorPath] = @error_log_path if @error_log_path.present?
       base[:EnvironmentVariables] = @environment_variables unless @environment_variables.empty?
@@ -158,7 +210,10 @@ module Homebrew
 
       options = []
       options << "Restart=always" if @keep_alive == true
+      options << "RestartSec=#{restart_delay}" if @restart_delay.present?
       options << "WorkingDirectory=#{@working_dir}" if @working_dir.present?
+      options << "RootDirectory=#{@root_dir}" if @root_dir.present?
+      options << "StandardInput=file:#{@input_path}" if @input_path.present?
       options << "StandardOutput=append:#{@log_path}" if @log_path.present?
       options << "StandardError=append:#{@error_log_path}" if @error_log_path.present?
       if @environment_variables.present?
diff --git a/Library/Homebrew/test/service_spec.rb b/Library/Homebrew/test/service_spec.rb
index 2c7bd94428..09eacbf2eb 100644
--- a/Library/Homebrew/test/service_spec.rb
+++ b/Library/Homebrew/test/service_spec.rb
@@ -40,8 +40,12 @@ describe Homebrew::Service do
         environment_variables PATH: std_service_path_env
         error_log_path var/"log/beanstalkd.error.log"
         log_path var/"log/beanstalkd.log"
+        input_path var/"in/beanstalkd"
+        root_dir var
         working_dir var
         keep_alive true
+        restart_delay 30
+        macos_legacy_timers true
       end
 
       plist = f.service.to_plist
@@ -59,17 +63,25 @@ describe Homebrew::Service do
         \t<true/>
         \t<key>Label</key>
         \t<string>homebrew.mxcl.formula_name</string>
+        \t<key>LegacyTimers</key>
+        \t<true/>
         \t<key>ProgramArguments</key>
         \t<array>
         \t\t<string>#{HOMEBREW_PREFIX}/opt/formula_name/bin/beanstalkd</string>
         \t\t<string>test</string>
         \t</array>
+        \t<key>RootDirectory</key>
+        \t<string>#{HOMEBREW_PREFIX}/var</string>
         \t<key>RunAtLoad</key>
         \t<true/>
         \t<key>StandardErrorPath</key>
         \t<string>#{HOMEBREW_PREFIX}/var/log/beanstalkd.error.log</string>
+        \t<key>StandardInPath</key>
+        \t<string>#{HOMEBREW_PREFIX}/var/in/beanstalkd</string>
         \t<key>StandardOutPath</key>
         \t<string>#{HOMEBREW_PREFIX}/var/log/beanstalkd.log</string>
+        \t<key>TimeOut</key>
+        \t<integer>30</integer>
         \t<key>WorkingDirectory</key>
         \t<string>#{HOMEBREW_PREFIX}/var</string>
         </dict>
@@ -113,8 +125,12 @@ describe Homebrew::Service do
         environment_variables PATH: std_service_path_env
         error_log_path var/"log/beanstalkd.error.log"
         log_path var/"log/beanstalkd.log"
+        input_path var/"in/beanstalkd"
+        root_dir var
         working_dir var
         keep_alive true
+        restart_delay 30
+        macos_legacy_timers true
       end
 
       unit = f.service.to_systemd_unit
@@ -127,7 +143,10 @@ describe Homebrew::Service do
         Type=simple
         ExecStart=#{HOMEBREW_PREFIX}/opt/#{name}/bin/beanstalkd test
         Restart=always
+        RestartSec=30
         WorkingDirectory=#{HOMEBREW_PREFIX}/var
+        RootDirectory=#{HOMEBREW_PREFIX}/var
+        StandardInput=file:#{HOMEBREW_PREFIX}/var/in/beanstalkd
         StandardOutput=append:#{HOMEBREW_PREFIX}/var/log/beanstalkd.log
         StandardError=append:#{HOMEBREW_PREFIX}/var/log/beanstalkd.error.log
         Environment=\"PATH=#{std_path}\"