Kibana 8.4.2edit

Review the following information about the Kibana 8.4.2 release.

Breaking changeedit

Breaking changes can prevent your application from optimal operation and performance. Before you upgrade, review the breaking change, then mitigate the impact to your application.

There are no breaking changes in Kibana 8.4.2.

To review the breaking changes in previous versions, refer to the following:

8.3.0 | 8.2.0 | 8.1.0 | 8.0.0 | 8.0.0-rc2 | 8.0.0-rc1 | 8.0.0-beta1 | 8.0.0-alpha2 | 8.0.0-alpha1

Enhancementsedit

Security
Logs a hash of the Saved Objects encryption key (xpack.encryptedSavedObjects.encryptionKey) when Kibana starts to make it easier to spot mismatched encryption keys #139874

Bug Fixesedit

Connectors
The connectors table now uses "compatibility" rather than "availability" #139024
Discover
Fixes saved search embeddable rendering #140264
Elastic Security
For the Elastic Security 8.4.2 release information, refer to Elastic Security Solution Release Notes.
Fleet
  • Applies fixes for package policy upgrade API with multiple ids #140069
  • Improves performance for many integration policies #139648
Lens & Visualizations
  • Fixes "Collapse by" for table and XY visualizations with multiple metrics in Lens #140381
  • Fixes action menu in Lens #139588
Machine Learning
  • Explain Log Rate Spikes: Histogram fixes #139933
  • Explain Log Rate Spikes: Improve streaming headers for certain proxy configs #139637
  • Fixes navigation for the Basic licence #139469
  • Corrects file.path field name in v3_windows_anomalous_script job #139109
Management
Bfetch` response headers now include X-Accel-Buffering: no #139534
Maps
  • Fixes issue where percentile aggregation was not working with vector tiles #140318
  • Fixes Map app crashing on file upload request timeout #139760
Monitoring
  • Ensures GlobalState class has it’s destroy() method called on unmount #139908
  • Adds KibanaThemeProvider to Stack Monitoring UI #139839
Uptime
Fixes an issue where decryption errors caused the entire suite of monitors to fail syncing #140549