These release notes relate to Dynatrace Managed specific changes. To learn about general Dynatrace changes included in this Dynatrace Managed release, see:

New features and enhancements

Cassandra upgrade

Starting with Dynatrace Managed release 1.238, configuration and metric storage service was upgraded to Cassandra 3.11.12 for optimized performance and resilience.

JRE upgrade

To take advantage of performance improvements, the latest security-vulnerability enhancements, and bug fixes, we've upgraded JRE for Cassandra and Elasticsearch. Both, Cassandra and Elasticsearch will now use JRE 8u322. Other components will now use JRE 11.0.14.

Operating systems support

CurrentDynatrace Managed operating systems support changes

The following operating systems will no longer be supported starting 01 August 2022

  • Linux: CentOS7.7
  • Linux: Red Hat Enterprise Linux7.7
  • Linux: Oracle Linux7.7
    • x86-64
    • Last compatible version: 1.238

FutureDynatrace Managed operating systems support changes

The following operating systems will no longer be supported starting 01 October 2022

PastDynatrace Managed operating systems support changes

The following operating systems are no longer supported since 01 October 2021

The following operating systems are no longer supported since 01 February 2022

  • Linux: CentOS7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 8.0
  • Linux: Debian8
  • Linux: Red Hat Enterprise Linux7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 8.0
  • Linux: Oracle Linux7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 8.0
    • x86-64
    • Last compatible version: 1.226

The following operating systems are no longer supported since 01 March 2022

  • Linux: CentOS8.3
  • Linux: Red Hat Enterprise Linux8.3
  • Linux: Oracle Linux8.3
    • x86-64
    • Last compatible version: 1.228

Resolved issues

General Availability (Build 1.238.123)

The 1.238 GA release contains 41 resolved issues (including 1 vulnerability resolution).

Application Security

  • Security Problem API results no longer deviate from web UI results when using host filters in highly volatile environments. (APM-359195)

Cluster

  • Removed some inconsistencies in URL filtering between multidimensional analysis and calculated service metrics. (APM-357085)
  • Navigating from Vulnerabilities to Kubernetes workloads applies the affected security problem filter. (K8S-176)
  • Added validation to problem notification custom integration URLs which checks that it is not site-local. (APM-353080)
  • Metric splitting is now applied correctly when going from a table dashboard tile created with the "Data explorer" to multidimensional analysis. (APM-360181)
  • Modification/deletion of disk anomaly detection rules is now applied correctly. (APM-362965)
  • Fixed an issue that prevented browser and HTTP monitor creation in management zones using tag conditions. (APM-361639)
  • Resolved issue with missing USQL query support for custom applications. It is now possible to filter custom applications with key user actions in USQL. (APM-362217)
  • Opening an old problem can lead to an error page. (APM-357784)
  • Fixed "cannot copy" `authorization.properties` file during installation. (APM-364616)
  • Resolved issue causing OneAgent auto-update before scheduled maintenance window. It was possible in OneAgent configuration API to trigger an update to a specific version in the update window, although the update would be performed immediately. Now validation error is returned. (APM-359148)
  • ActiveGate with automatic updates disabled: an automatic reset of UpdateNow flag after 3 days if no further update is available to prevent unplanned updates. (APM-353475)
  • Licensing DDU metrics: resolved issue with granting too many host-included metrics when monitoring, on the same host, two or more of the following: Host/PGI metrics, EC2, Kubernetes, VMware, GCP, Azure, OpenStack. (APM-351864)
  • Resolved issue with trend that occurred on Single Value tiles with empty series. (APM-364406)
  • Key requests are now correctly displayed on the "Services" > service > "Details" page when no "Request type" filter is present. (APM-354341)
  • On the extension edit page, the "Choose ActiveGate" menu is now filtered correctly while configuring remote extensions (Framework 1.0) on `#settings/monitoredtechnologies/customextension/{remote_extension_id}`. (APM-353028)
  • Improved results of some wildcard text search queries in Log Monitoring v2. (APM-348746)
  • Users who only have access to "Custom events for alerting" settings via an IAM policy and only have access to certain management zones of the environment can now select metrics in the "Custom events for alerting" settings. (APM-355622)
  • User-defined colors now migrate from custom charts to the "Data explorer" correctly. (APM-359293)
  • Deleted device applications no longer appear in anomaly detection for baseline-based crashes. (APM-352953)
  • Corrected a division-by-zero issue related to JavaScript error rate increase. (RUM-4733)
  • Previously activated disk analytics extension setting on environment scope is no longer considered for OneAgent after removal unless explicitly activated by host or host group. (APM-363898)
  • Deleted device applications no longer appear in baselining. (APM-351531)
  • Improved metric selector filtering on entity names. (APM-363024)
  • User actions with quotation marks are now properly filtered. (RUM-4280)
  • The "ne" (not equal) filter in the Metrics API / "Data explorer" no longer returns an empty result when applied to entity dimensions. (APM-355749)
  • On the dashboard menu, the "Configure" option now works correctly (opens "Dashboard settings" for the selected dashboard). (APM-355237)
  • The name of external web services no longer alternates between names; only stable input is used. Note: this fix may change the name of existing services!. (APM-357236)
  • Session user tag or anonymity status is now hidden when the user has no sensitive data permissions. (RUM-4544)
  • Service list filters now show the correct labels (instead of ID) when navigating from a dashboard service health filter config for newly created and updated dashboard tiles. (APM-356268)
  • Number formatting has been corrected in app type chart tooltips. (RUM-4635)
  • Resolved an issue where a custom calc: metric that was deleted and recreated with the same metric key wasn't written until server restart. (APM-355482)
  • Fixed an issue where no service data would show up when using service tag filters that contained a colon. (APM-353290)
  • Fixed an issue where "logs in context" on service analysis pages would not appear for old timeframes. (APM-355480)
  • Users with the "View logs" permission on the management zone level can now correctly see logs on Kubernetes pages. (APM-355442)
  • Fixed an issue where thread group names in thread analysis might be empty. (APM-356617)
  • High memory usage or potential OutOfMemory if the server is running without Elasticsearch connection for a prolonged time. (APM-362484)
  • The user session filer will now explicitly state if there are more suggestions to fetch from the backend. (RUM-4189)

Cluster Management Console

  • Vulnerability: Enhanced security on private UI API user lists. (APM-346849)

Infrastructure monitoring solution

  • Removed the Disk analytics extension settings page from the environment scope. (APM-361513)
  • Fixed missing prefix in installation command for OneAgent and ActiveGate on Windows OS. (APM-357766)

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Disclaimer

Dynatrace Inc. published this content on 11 April 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 11 April 2022 14:50:10 UTC.