Dynatrace Managed release notes version 1.248

Published date: 2022-08-26

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

• Dynatrace SaaS release notes version 1.248 and Dynatrace SaaS release notes version 1.247
• Dynatrace API changelog version 1.248 and Dynatrace API changelog version 1.247
• Dynatrace OneAgent release notes version 1.247

New features and enhancements

Cipher auto-update

Dynatrace Managed installer

We updated the default cipher suites and added a cipher auto-update parameter to the Dynatrace Managed installer. It's set to off for existing nodes and on for new clusters (new nodes being added to the existing cluster keep parameters of a seed node).

When set to on, you set the cipher suites and protocols to default after each upgrade or reconfigure. If you manually change ciphers or protocols (using --ssl-ciphers or --ssl-protocols parameters), the cipher auto-update gets disabled (automatically set to off).

• Customize installation for Dynatrace Managed

Operating systems support

Future Dynatrace Managed operating systems support changes

The following operating systems will no longer be supported starting 01 January 2023

• Linux: SUSE Enterprise Linux 12.3
  • x86-64
  • Vendor announcement

Past Dynatrace Managed operating systems support changes

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

• Linux: CentOS 7.6, 8.1
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.232
• Linux: Red Hat Enterprise Linux 7.6, 8.1
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.232
• Linux: Oracle Linux 7.6, 8.1
  • x86-64
  • Last compatible version: 1.232

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

• Linux: Ubuntu 20.10
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.234

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

• Linux: CentOS 7.8, 8.2, 8.4
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.246
• Linux: Red Hat Enterprise Linux 7.8
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.246
• Linux: Oracle Linux 7.8
  • x86-64
  • Last compatible version: 1.246

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

• Linux: CentOS 7.7
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.238
• Linux: Red Hat Enterprise Linux 7.7
  • x86-64
  • Vendor announcement
  • Last compatible version: 1.238
• Linux: Oracle Linux 7.7
  • x86-64
  • Last compatible version: 1.238

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

• Linux: SUSE Enterprise Linux 11.4
  • x86-64
  • Vendor announcement

Resolved issues

• General Availability (Build 1.248.135)
• Update 147 (Build 1.248.147)
• Update 169 (Build 1.248.169)
• Update 182 (Build 1.248.182)
• Update 186 (Build 1.248.186)

General Availability (Build 1.248.135)

The 1.248 GA release contains 24 resolved issues.

Cloud automation solution

• The "Graph" and "Table" buttons in the SLO wizard are now disabled when errors are detected. (APM-381270)
• Navigating to the "Orchestration projects" page from another page now correctly changes the title in the tab. (APM-380508)
• The table view in an SLO evaluation is now correctly sorted. (APM-379339)

Cluster

• During Session Replay, when watching a non-Windows recording from a Windows machine, thin scrollbars are now used to provide better playback accuracy. (APM-377103)
• Service context is no longer lost when navigating from span service/FaaS service overview to distributed traces. (TI-2417)
• Remote environment trace fetching works in multi-node environments for Managed. (TI-2894)
• Services of type "remote call" no longer use the process group name as part of the service name. (TI-2498)
• Fixed a problem that caused a Google Cloud Function service page error when the Google Cloud Function extension was not configured. (TI-2458)
• Resolved an issue where the wrong empty state was displayed in Multidimensional analysis (only unreliable dimensions instead of empty result). (TI-2713)
• Fixed issue in which audit logs were not stored for the Audit logs API. (APM-383686)
• Fixed an issue in which management zone tagging for CONTAINER_GROUP entities didn't work. (K8S-2837)
• On the "Deployment status" page, "ActiveGates" tab, visibility of the last update of ActiveGate and its modules is now restricted to users with "Change monitoring settings" permission. (APM-379067)
• Dashboard custom dimension filter values that include a colon are now displayed correctly. (APM-379826)
• Resolved an issue in which some network metrics went missing after update to Dynatrace version 1.247. (APM-383642)
• To ensure evaluation of built-in process group rule 67 to disable monitoring of process `piper`, rule 67 is now evaluated before rules for `Kubernetes namespace exists` (rule 40) and `Container exists` (rule 41). (TI-1805)
• The message "The monitoring of this service is currently disabled." is now displayed only when it is disabled for all credentials. (APM-381068)
• The maximum length of a metric selector in metric events has been increased to 10,000 characters. (DAVIS-1898)
• A web application configuration retrieved via Rest API GET can now be PUT without modifications. (RUM-6796)
• Fixed an infrequent case where a duplicate problem was opened after a problem was closed manually. (APM-377371)
• Service tag filter for multidimensional analysis now works correctly for tag values that include spaces. (TI-2408)
• Fixed an issue where metric queries using multiple entity name filter conditions would fail. (APM-379777)

Cluster Management Console

• The specified order of notification recipients is now preserved. (APM-378729)
• Cluster admin users are no longer redirected to the environment dashboard when accessing and browsing the Cluster Management Console via the profile page. (APM-377826)
• The Dynatrace Managed home page title has been changed from "Dynatrace Managed deployment status" to "Dynatrace Managed deployment overview" to prevent confusion with the "Deployment status" page. (APM-381105)

Update 147 (Build 1.248.147)

This cumulative update contains 3 resolved issues and all previously released updates for the 1.248 release.

Cluster

• Resolved issue with the "Metrics browser" that caused an exception when the metric selector encountered a "%" character. (EXA-2422)
• Resolved issue with the "Data explorer" in which no data was displayed when the filter included a "\" character. (EXA-2567)
• Fixed a problem where certain remote environments could not be used for the cross environment tracing feature. (TI-2967)

Update 169 (Build 1.248.169)

This cumulative update contains 3 resolved issues and all previously released updates for the 1.248 release.

Cluster

• Fixed frequent issue detection for disk and AWS alerts. (APM-386093)
• Resolved issue in which the alerting configs with parent-aware filters (for example, MANAGEMENT_ZONE filter on SERVICE_METHOD) were considered invalid and not processed by the alerting engine. (DAVIS-2112)
• Automatic update no longer fails with hanging 'ss' command. (APM-386468)

Update 182 (Build 1.248.182)

This cumulative update contains 2 resolved issues and all previously released updates for the 1.248 release.

Application Security

• Enabling OneAgent feature "Java code-level security evaluation" no longer leads to usage reporting for Application Protection even when Application Protection is not enabled on the cluster. (CASP-17791)

Cluster

• Fixed an issue with some OneAgent-raised events, for example, high CPU, being auto-closed after 6 hours, even if the underlying issue still persists. This could also cause problems to be closed early when all of their events get auto-closed too early. (DAVIS-2324)

Update 186 (Build 1.248.186)

This is a cumulative update that contains all previously released updates for the 1.248 release.