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Redis Object Cache · Version history

Redis Object Cache changelog and version history

Latest version
3.0.0
Sep 18, 2026 (1 month ago)
Releases
94
since 2014
In the last year
3
about one every 116 days
Tested up to
WordPress 7.1.4
PHP 7.2 or later

Releases each year

  • 20141 release
  • 20155 releases
  • 20168 releases
  • 20171 release
  • 20185 releases
  • 20199 releases
  • 202025 releases
  • 20215 releases
  • 202214 releases
  • 20239 releases
  • 20244 releases
  • 20255 releases
  • 20263 releases

20263 releases

  1. Redis Object Cache 3.0.0Latest

    • Allow Predis v3.0 as a Composer dependency
    • Upgraded bundled Predis library to v2.4.1
    • Upgraded ApexCharts to v4.7.0
    • Indicate when the cache is disabled via the WP_REDIS_DISABLED constant
    • Added WP_REDIS_CHART_COLOR constant
    • Added WP_REDIS_LOAD_APEXCHARTS constant
    • Fixed wp_cache_replace() writing keys that don’t exist and misreporting its result
    • Fixed bulk cache methods leaving the connection stuck in pipeline mode
    • Fixed WP_REDIS_USERNAME being ignored by PhpRedis/Relay connections
    • Fixed WP_REDIS_USERNAME being ignored when no password is configured
    • Fixed handling empty WP_REDIS_PASSWORD values
    • Fixed sharded connections erroring when WP_REDIS_USERNAME is used with PhpRedis older than v5.3.0
    • Fixed the username missing from the diagnostics of clustered connections

  2. Redis Object Cache 2.8.0

    • Delete transients when cache is enabled
    • Improved styling for WordPress 7.x
    • Respect WP_REDIS_SSL_CONTEXT when using Predis and clustered connections
    • Added missing redis_object_cache_(disable|update_dropin) hooks to WP CLI commands
    • Fixed redis_object_cache_enable action result parameter

  3. Redis Object Cache 2.7.0

    • Preserve key TTL when calling (in|de)crement methods
    • Updated wp_cache_*() function signatures to match core
    • Removed deprecated HHVM support
    • Removed deprecated WP_REDIS_SERIALIZER constant

20255 releases

  1. Redis Object Cache 2.6.5

    • Fixed an issue with (in|de)crement cache values when using igbinary

  2. Redis Object Cache 2.6.3

    • Switch to E_USER_DEPRECATED instead of _doing_it_wrong() in drop-in
    • Fixed error when using Credis (deprecated) as client

  3. Redis Object Cache 2.6.2

    • Fixed more PHP 7.2 heredoc parsing errors

  4. Redis Object Cache 2.6.1

    • Fixed PHP 7.2 heredoc parsing error
    • Fixed call to undefined function wp_rand()

  5. Redis Object Cache 2.6.0

    • Added Primary Branch header
    • Added id to script/style tags
    • Upgraded Predis to v2.4.0
    • Upgraded Credis to v1.17.0
    • Mark as tested up to 6.8
    • Adhere to Plugin Check (PCP)
    • Fixed (in|de)crement not working with serializer
    • Fixed rare replication mode issue
    • Fixed rare fatal error in diganostics

20244 releases

  1. Redis Object Cache 2.5.4

    • Respect WP_REDIS_SCHEME for Cluster connections
    • Fixed issue with Predis and SentinelReplication connection
    • Fixed double-slash in admin.css URL

  2. Redis Object Cache 2.5.3

    • Added WP_REDIS_DISABLE_GROUP_FLUSH constant
    • Added redis_cache_manager_capability filter and WP_REDIS_MANAGER_CAPABILITY constant
    • Added WP_REDIS_SSL_CONTEXT support for PhpRedis cluster connections
    • Fixed several issues with Predis and cluster/replicated connection
    • Fixed another rare fatal error in show_error_and_die()

  3. Redis Object Cache 2.5.2

    • Respect WP_REDIS_FLUSH_TIMEOUT in Lua flush scripts
    • Improve DISALLOW_FILE_MODS support
    • Reverted behavioral change to sanitize_key_part()
    • Fixed rare fatal error in show_error_and_die() (again)

  4. Redis Object Cache 2.5.1

    • Added timeouts to diagnostics
    • Support rare PHP installations without sockets extension
    • Fixed rare fatal error in show_error_and_die()
    • Fixed deprecation notice warning in sanitize_key_part()

20239 releases

  1. Redis Object Cache 2.5.0

    • Require WordPress 4.6 or newer
    • Load text-domain only when needed
    • Added WP_REDIS_DISABLE_DROPIN_CHECK constant
    • Respect file_mod_allowed filter and DISALLOW_FILE_MODS constant
    • Renamed .redis-write-test.tmp test file to object-cache.tmp
    • Call redis_object_cache_error action before wp_die()
    • Allow WP_REDIS_PLUGIN_PATH to be defined elsewhere
    • Added experimental flush timeout (defaults to 5 seconds)
    • Dropped unnecessary default ignored groups

  2. Redis Object Cache 2.4.4

    • Improved handling of unexpected transaction results

  3. Redis Object Cache 2.4.3

    • Fixed PHP <=7.2 syntax error
    • Fixed loading error-page translations

  4. Redis Object Cache 2.4.2

    • Made admin-bar script more robust
    • Improved recovery instructions on redis-error.php
    • Improved CloudLinux detection
    • Localization improvements
    • Prevent W3 Total Cache and LiteSpeed Cache from overwriting drop-in
    • Fixed ACL username support when using Predis and array syntax

  5. Redis Object Cache 2.4.1

    • Fix PHP <=7.2 syntax error

  6. Redis Object Cache 2.4.0

    • Flush cache when toggling the object cache
    • Show a custom error message when Redis is unreachable
    • Don’t allow object cache to be enabled when Redis is unreachable
    • Deprecated risky WP_REDIS_SERIALIZER configuration constant, use WP_REDIS_IGBINARY instead
    • Support WP_REDIS_USERNAME when using Predis
    • Show cache hit ratio decimal points in Admin Bar node
    • Obscure secrets when displaying WP_REDIS_SERVERS
    • Improved CloudLinux’s Accelerate WP compatibility
    • Admin bar cache flush now uses AJAX

  7. Redis Object Cache 2.3.0

    • Show dashboard widget only to admins
    • Added Admin Bar node (disable using WP_REDIS_DISABLE_ADMINBAR)
    • Added WP_REDIS_SSL_CONTEXT configuration constant
    • Throw errors when connection error occurs
    • Added support for usernames when using Predis
    • Added support for loading Predis from WP_REDIS_PLUGIN_PATH
    • Made Predis unix socket connections stricter
    • Fixed rare group flushing bug
    • Fixed cluster ping when using Predis
    • Updated Predis to v2.1.2
    • Improved documentation

  8. Redis Object Cache 2.2.4

    • Register wp redis CLI command late
    • Don’t compete with Object Cache Pro for wp redis command
    • Prevent Perflab from overwriting the object cache drop-in
    • Updated Predis to v2.1.1
    • Avoid type error when transaction fails
    • Check for incompatible content type headers

  9. Redis Object Cache 2.2.3

    • Added wp_cache_flush_group() support
    • Updated Credis to v1.14.0
    • Drop $delay parameter from wp_cache_flush()
    • Prevent rare error in diagnostics when reading connection errors

202214 releases

  1. Redis Object Cache 2.2.2

    • Use QM_Data_Cache instead of QM_Data
    • Fixed WP_Error use statement non-compound name warning

  2. Redis Object Cache 2.2.1

    • Added WordPress 6.1 wp_cache_supports() function
    • Updated Predis to v2.0.3
    • Avoid early microtime() calls in WP_Object_Cache::get()
    • Support Query Monitor’s new QM_Data class
    • Throw exception of pipeline returns unexpected results

  3. Redis Object Cache 2.2.0

    • Added redis_cache_add_non_persistent_groups filter
    • Fixed wp_add_dashboard_widget parameters
    • Fixed WP_REDIS_SERVERS replication issue with Predis v2.0
    • Fixed WP_REDIS_CLUSTER string support
    • Fixed issue when MGET fails in get_multiple() call
    • Fixed several warnings in the event of pipeline failures

  4. Redis Object Cache 2.1.6

    • Fixed SVN discrepancies

  5. Redis Object Cache 2.1.5

  6. Redis Object Cache 2.1.4

  7. Redis Object Cache 2.1.3

  8. Redis Object Cache 2.1.2

  9. Redis Object Cache 2.1.1

  10. Redis Object Cache 2.1.0

  11. Redis Object Cache 2.0.26

  12. Redis Object Cache 2.0.25

  13. Redis Object Cache 2.0.23

  14. Redis Object Cache 2.0.22

20215 releases

  1. Redis Object Cache 2.0.21

  2. Redis Object Cache 2.0.20

  3. Redis Object Cache 2.0.19

  4. Redis Object Cache 2.0.18

  5. Redis Object Cache 2.0.17

202025 releases

  1. Redis Object Cache 2.0.16

  2. Redis Object Cache 2.0.15

  3. Redis Object Cache 2.0.14

  4. Redis Object Cache 2.0.13

  5. Redis Object Cache 2.0.12

  6. Redis Object Cache 2.0.11

  7. Redis Object Cache 2.0.10

  8. Redis Object Cache 2.0.9

  9. Redis Object Cache 2.0.8

  10. Redis Object Cache 2.0.7

  11. Redis Object Cache 2.0.6

  12. Redis Object Cache 2.0.5

  13. Redis Object Cache 2.0.4

  14. Redis Object Cache 2.0.3

  15. Redis Object Cache 2.0.2

  16. Redis Object Cache 2.0.1

  17. Redis Object Cache 2.0.0

  18. Redis Object Cache 1.6.3

  19. Redis Object Cache 1.6.2

  20. Redis Object Cache 1.6.1

  21. Redis Object Cache 1.6.0

  22. Redis Object Cache 1.5.9

  23. Redis Object Cache 1.5.8

  24. Redis Object Cache 1.5.7

  25. Redis Object Cache 1.5.6

20199 releases

  1. Redis Object Cache 1.5.5

  2. Redis Object Cache 1.5.4

  3. Redis Object Cache 1.5.3

  4. Redis Object Cache 1.5.2

  5. Redis Object Cache 1.5.1

  6. Redis Object Cache 1.5.0

  7. Redis Object Cache 1.4.3

  8. Redis Object Cache 1.4.2

  9. Redis Object Cache 1.4.1

20185 releases

  1. Redis Object Cache 1.4.0

  2. Redis Object Cache 1.3.9

  3. Redis Object Cache 1.3.8

  4. Redis Object Cache 1.3.7

  5. Redis Object Cache 1.3.6

20171 release

  1. Redis Object Cache 1.3.5

20168 releases

  1. Redis Object Cache 1.3.4

  2. Redis Object Cache 1.3.3

  3. Redis Object Cache 1.3.2

  4. Redis Object Cache 1.3.1

  5. Redis Object Cache 1.3

  6. Redis Object Cache 1.2.3

  7. Redis Object Cache 1.2.2

  8. Redis Object Cache 1.2.1

20155 releases

  1. Redis Object Cache 1.2

  2. Redis Object Cache 1.1.1

  3. Redis Object Cache 1.1

  4. Redis Object Cache 1.0.2

  5. Redis Object Cache 1.0.1

20141 release

  1. Redis Object Cache 1.0

Questions about Redis Object Cache’s releases

What is the latest version of Redis Object Cache?

3.0.0, released on Sep 18, 2026 (1 month ago). It’s tested up to WordPress 7.1.4 and needs PHP 7.2 or later.

How often is Redis Object Cache updated?

3 releases in the last year, about one every 116 days. Its first release on WordPress.org dates from November 2014.

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Release dates come from the day each version’s folder was made in Redis Object Cache’s WordPress.org SVN repository; the notes from its readme’s changelog, as its authors wrote it.