| @@ -387,8 +387,11 @@ | ||
| 387 | 387 | $parts = [ |
| 388 | 388 | $this->signature( $parsed_block ), |
| 389 | 389 | get_stylesheet(), |
| 390 | 390 | CacheBackend::generation( self::VERSION_OPTION ), |
| 391 | + // A cached fragment's atomic style classes are only valid for the | |
| 392 | + // compiler output they were rendered against. | |
| 393 | + \ABlocks\Classes\AtomicStyles::OUTPUT_REVISION, | |
| 391 | 394 | determine_locale(), |
| 392 | 395 | is_user_logged_in() ? 'u' . get_current_user_id() : 'anon', |
| 393 | 396 | ]; |
| 394 | 397 | |
