@@ -250,6 +250,11 @@ class WPCOM_Features {
250250		'required_sticker '  => 'summer-special-2025 ' ,
251251		self ::WPCOM_PERSONAL_AND_PREMIUM_PLANS ,
252252	);
253+ 	// Unlock Business-gated features for sites with the flex-cache-site sticker via the free plan. 
254+ 	private  const  WPCOM_FLEX_CACHE_SITE_FREE_PLANS  = array (
255+ 		'required_sticker '  => 'flex-cache-site ' ,
256+ 		self ::JETPACK_ALL_SITES ,
257+ 	);
253258
254259	// WPCOM "Level 3" A: Groups of level 2s. 
255260	private  const  WPCOM_BLOGGER_AND_HIGHER_PLANS   = array ( self ::WPCOM_BLOGGER_PLANS , self ::WPCOM_PERSONAL_PLANS , self ::WPCOM_STARTER_PLANS , self ::WPCOM_PREMIUM_PLANS , self ::WPCOM_PRO_PLANS , self ::WPCOM_BUSINESS_PLANS , self ::WPCOM_ECOMMERCE_PLANS , self ::WPCOM_ECOMMERCE_TRIAL_PLANS , self ::WPCOM_WOOEXPRESS_PLANS  );
@@ -574,6 +579,7 @@ class WPCOM_Features {
574579			self ::WPCOM_STAGING_PRODUCT ,
575580			array ( 'product_type '  => array ( 'marketplace_plugin ' , 'saas_plugin '  ) ),
576581			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
582+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
577583		),
578584		// BACKUPS - Site has *any* kind of backups. 
579585		self ::BACKUPS                            => array (
@@ -589,6 +595,7 @@ class WPCOM_Features {
589595			self ::WPCOM_PRO_PLANS ,
590596			self ::WPCOM_STAGING_PRODUCT ,
591597			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
598+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
592599		),
593600		// BACKUPS_DAILY - Site has product that includes daily backups. 
594601		self ::BACKUPS_DAILY                      => array (
@@ -600,6 +607,7 @@ class WPCOM_Features {
600607			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
601608			self ::WPCOM_PRO_PLANS ,
602609			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
610+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
603611		),
604612
605613		/* 
@@ -732,6 +740,7 @@ class WPCOM_Features {
732740				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
733741			),
734742			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
743+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
735744		),
736745		// EDIT_THEMES - Provides the edit_themes capability on atomic sites, does nothing on simple sites. 
737746		self ::EDIT_THEMES                        => array (
@@ -741,6 +750,7 @@ class WPCOM_Features {
741750				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
742751			),
743752			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
753+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
744754		),
745755		// EMAIL_PROFESSIONAL - Access to Titan email hosting, often referred to as WordPress.com "Professional Email". 
746756		self ::EMAIL_PROFESSIONAL                 => array (
@@ -810,6 +820,7 @@ class WPCOM_Features {
810820				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
811821			),
812822			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
823+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
813824		),
814825		self ::INSTALL_PURCHASED_PLUGINS          => array (
815826			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
@@ -819,6 +830,7 @@ class WPCOM_Features {
819830				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
820831			),
821832			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
833+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
822834		),
823835		self ::INSTALL_THEMES                     => array (
824836			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
@@ -828,6 +840,7 @@ class WPCOM_Features {
828840				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
829841			),
830842			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
843+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
831844		),
832845		self ::INSTALL_WOO_ONBOARDING_PLUGINS     => array (
833846			self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
@@ -854,6 +867,7 @@ class WPCOM_Features {
854867			self ::WPCOM_PRO_PLANS ,
855868			self ::WPCOM_STARTER_PLANS ,
856869			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
870+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
857871		),
858872		// LIVE_SUPPORT - Monthly plans do not get live support. p7DVsv-a9N-p2. 
859873		self ::LIVE_SUPPORT                       => array (
@@ -894,6 +908,7 @@ class WPCOM_Features {
894908				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
895909			),
896910			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
911+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
897912		),
898913
899914		// MONITOR_1_MINUTE_CHECK_INTERVAL - Jetpack Monitor checks site uptime once per minute 
@@ -932,6 +947,7 @@ class WPCOM_Features {
932947		self ::NO_WPCOM_BRANDING                  => array (
933948			self ::WPCOM_PRO_PLANS ,
934949			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
950+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
935951		),
936952		self ::OPENTABLE                          => array (
937953			self ::WPCOM_PREMIUM_AND_HIGHER_PLANS ,
@@ -942,6 +958,7 @@ class WPCOM_Features {
942958		self ::OPTIONS_PERMALINK                  => array (
943959			self ::WPCOM_PRO_PLANS ,
944960			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
961+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
945962		),
946963		self ::PAYMENTS                           => array (
947964			self ::WPCOM_PERSONAL_AND_HIGHER_PLANS ,
@@ -985,13 +1002,15 @@ class WPCOM_Features {
9851002			self ::EXCLUDE_PLANS  => array (
9861003				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
9871004			),
1005+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
9881006		),
9891007		self ::WOOCOMMERCE_THEMES                 => array (
9901008			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
9911009			self ::WPCOM_PRO_PLANS ,
9921010			self ::EXCLUDE_PLANS  => array (
9931011				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
9941012			),
1013+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
9951014		),
9961015		self ::SENSEI_THEMES                      => array (
9971016			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
@@ -1026,6 +1045,7 @@ class WPCOM_Features {
10261045			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
10271046			self ::WPCOM_PRO_PLANS ,
10281047			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
1048+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
10291049		),
10301050		self ::RECURRING_PAYMENTS                 => array (
10311051			self ::WPCOM_ALL_SITES ,
@@ -1060,6 +1080,7 @@ class WPCOM_Features {
10601080			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
10611081			self ::WPCOM_PRO_PLANS ,
10621082			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
1083+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
10631084		),
10641085
10651086		/* 
@@ -1070,6 +1091,7 @@ class WPCOM_Features {
10701091			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
10711092			self ::WPCOM_PRO_PLANS ,
10721093			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
1094+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
10731095		),
10741096
10751097		/* 
@@ -1079,6 +1101,7 @@ class WPCOM_Features {
10791101		 */ 
10801102		self ::SCHEDULED_UPDATES                  => array (
10811103			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
1104+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
10821105		),
10831106
10841107		/* 
@@ -1093,12 +1116,14 @@ class WPCOM_Features {
10931116			self ::WPCOM_PRO_PLANS ,
10941117			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
10951118			self ::JETPACK_ALL_SITES ,
1119+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
10961120		),
10971121		self ::SEO_PREVIEW_TOOLS                  => array (
10981122			self ::BUNDLE_ENTERPRISE ,
10991123			self ::JETPACK_ALL_SITES ,
11001124			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
11011125			self ::WPCOM_PRO_PLANS ,
1126+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
11021127		),
11031128		self ::SEND_A_MESSAGE                     => array (
11041129			self ::WPCOM_PREMIUM_AND_HIGHER_PLANS ,
@@ -1123,13 +1148,15 @@ class WPCOM_Features {
11231148			self ::EXCLUDE_PLANS  => array (
11241149				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
11251150			),
1151+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
11261152		),
11271153
11281154		self ::SSH                                => array (
11291155			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
11301156			self ::EXCLUDE_PLANS  => array (
11311157				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
11321158			),
1159+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
11331160		),
11341161		self ::SIMPLE_PAYMENTS                    => array (
11351162			self ::WPCOM_PREMIUM_AND_HIGHER_PLANS ,
@@ -1214,6 +1241,7 @@ class WPCOM_Features {
12141241			self ::EXCLUDE_PLANS  => array (
12151242				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
12161243			),
1244+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
12171245		),
12181246		// Gives near full access to all stats features. All features except new commercial level modules like UTM and device stats. 
12191247		self ::STATS_FREE                         => array (
@@ -1262,6 +1290,7 @@ class WPCOM_Features {
12621290		),
12631291		self ::STUDIO_SYNC                        => array (
12641292			self ::WPCOM_BUSINESS_AND_HIGHER_PLANS ,
1293+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
12651294		),
12661295
12671296		// Importing subscribers to the site without limits. 
@@ -1317,6 +1346,7 @@ class WPCOM_Features {
13171346				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
13181347			),
13191348			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
1349+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
13201350		),
13211351		self ::UPLOAD_SPACE_1GB                   => array (
13221352			self ::SPACE_1GB ,
@@ -1358,6 +1388,7 @@ class WPCOM_Features {
13581388				self ::WPCOM_ECOMMERCE_TRIAL_PLANS ,
13591389			),
13601390			self ::WPCOM_SUMMER_SPECIAL_2025_PLANS ,
1391+ 			self ::WPCOM_FLEX_CACHE_SITE_FREE_PLANS ,
13611392		),
13621393
13631394		/* 
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