Dynatrace Managed release notes version 1.244

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

Operating systems support

Centos 6.x, Red Hat Enterprise Linux 6.x, Oracle Linux 6.x are no longer supported since October 1, 2021. However, we still maintain existing deployments and allow upgrades. We're informing you that Dynatrace Managed version 1.250 is going to be the last one that you can upgrade to on the unsupported operating systems.

Improved email notifications and web UI content

Improved license expiration cluster event and e-mail notification content.

Improved cluster notifications e-mail content so it's actionable and precise.

Updated Managed installer to use JRE 8u332

To take advantage of performance improvements, the latest security-vulnerability enhancements, and bug fixes, we've upgraded JRE for the following cluster node components: Cassandra and Elasticsearch will now use JRE 8u332. Other components will now use JRE 11.0.15

Current Dynatrace Managed operating systems support changes

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

Linux: Ubuntu 21.04
- x86-64
- Vendor announcement
- Last compatible version: 1.244

Future Dynatrace Managed operating systems support changes

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

Linux: SUSE Enterprise Linux 15.0
- x86-64
- Vendor announcement

Past Dynatrace Managed operating systems support changes

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 1.244.149)

The 1.244 GA release contains 5 resolved issues.

Component	Resolved issues
Application Security	1
Cloud automation solution	1
Cluster	3

Application Security

The vulnerability counter on the "Application Security overview" page no longer fails when the browser locale is unavailable. (CASP-16358)

Cloud automation solution

Resolved issue in which orchestration project links always pointed to the Dynatrace Hub entry. (APM-378706)

Cluster

Fixed issue with OneAgent ingest and StatsD configurations being ignored in certain situations. (APM-378053)
Failure detection rule with missing parameters no longer causes unrelated rules to be skipped. (APM-376586)
On the Applications > application details page, geolocations view (world map), selecting a country that never had any data no longer leads to HTTP Error 404. (RUM-6478)

Update 152 (Build 1.244.152)

This cumulative update contains 4 resolved issues and all previously released updates for the 1.244 release.

Component	Resolved issues
Application Security	1
Cluster	2
Cluster Management Console	1

Application Security

Resolved issue in which the "Host coverage" percentage on the "Application Security overview" page was calculated using an excessive total number of hosts, which rendered a coverage percentage that was lower than in reality. (CASP-16608)

Cluster

Fixed a problem that prevented customer IP address mappings from converting to Settings 2.0. (RUM-6728)
Fixed parsing error for embedded entity selectors that contain multiple escaped special characters in metric selectors, and fixed a bug that allowed multiple arguments to the entitySelector filter predicate in metric selectors. (APM-378450)

Cluster Management Console

The system notifications banner has been restored in the CMC environment. (APM-378293)

Update 161 (Build 1.244.161)

This cumulative update contains 53 resolved issues (including 1 vulnerability resolution) and all previously released updates for the 1.244 release.

Component	Resolved issues
Application Security	3
Cloud automation solution	1
Cluster	43 (1 vulnerability)
Cluster Management Console	5
Infrastructure monitoring solution	1

Application Security

Resolved issue with reporting Cloud Application Security Units consumption not being correctly reported in application-only mode under certain conditions. Resolved issue with reporting Cloud Application Security Units consumption not being correctly reported in application-only mode under certain conditions. (CASP-16582)
Resolved issue in which the "Host coverage" percentage on the "Application Security overview" page was calculated using an excessive total number of hosts, which rendered a coverage percentage that was lower than in reality. (CASP-16608)
Resolved issue with reporting Cloud Application Security Units consumption not being correctly reported in application-only mode under certain conditions. Resolved issue with reporting Cloud Application Security Units consumption not being correctly reported in application-only mode under certain conditions. (CASP-16582)

Cloud automation solution

Resolved issue in which orchestration project links always pointed to the Dynatrace Hub entry. (APM-378706)

Cluster

Vulnerability: Updated commons-configuration2 to 2.8 to improve security. (CLUSTER-84)
Fixed a potential problem in Queue Analyzer in case a service instance is missing the service entity, which should happen very rarely. (APM-372833)
Resolved an issue with the data shown in the top errors card on the application and user action overview. (RUM-6529)
Fixed an issue in which the problem evolution sometimes was empty. (DAVIS-1613)
Fixed problem with AWS monitoring on Dynatrace SaaS. (APM-375757)
TSM metric keys that begin with a number are treated as invalid metric key inputs. (APM-371596)
Prevent evaluating root cause entity management zones and tags in problems which in some cases led to spam alerts. (DAVIS-1795)
Unified analysis: conditions feature now works for actions with global scope. (APM-371561)
Fixed a problem that prevented customer IP address mappings from converting to Settings 2.0. (RUM-6728)
Removed the throttling for the writing of the GLOBAL_HOOKING_STATUS attribute. (APM-373501)
The "visibility" and "modifiers" fields are added to the payload as optional. (APM-375320)
Solved an issue that lead to an error page when configuring automatically applied tags in the UI using Azure tags in the rule conditions. (APM-372202)
Fixed an issue with ServiceNow notifications where the description field contains HTML escaped single-quote characters. (DAVIS-1600)
Fixed page crash in custom events for alerting caused by entity filter. (DAVIS-1735)
Service Detection API - Improperly structured condition property now returns a constraint violation message. (APM-374082)
Failure detection - request attribute conditions "equals" and "not-equals" on floating point numbers now work correctly. (APM-379472)
In Dynatrace versions 1.237 to 1.243, in environments where the new log storage configuration is enabled, File Status might be displayed incorrectly on the Host and Process Group instance overview pages. Starting with Dynatrace version 1.244, this potentially misleading information is no longer displayed. The log ingestion process for the configured files is unaffected. (APM-354839)
The Infrastructure Monitoring mode `--set-infra-only` OneAgent install parameter is now correctly recognized by the server. (APM-379864)
Fixed issue with OneAgent ingest and StatsD configurations being ignored in certain situations. (APM-378053)
Fixed various issues with DQL input field: auto-format on paste, autosuggestion on metakeys and click, and escape to exit code editor. (APM-368575)
Resolved issue that sometimes led to temporary disabling of log upload via OneAgent during long-running rollout cluster migration. (APM-375587)
Validation for multiple value filtering for numeric and text base request attributes are fixed in addition to proper state when in edit mode. (APM-371740)
Many settings pages now allow reviewing the configuration changes that happened on this page. Just click "show history" and select a time frame. This is available for users with at least settings:objects:read permissions for the respective schema id. (PRODUCT-654)
The "Utilization and Resources" charts on the pod page now display the sum of container CPU/memory usage instead of the average. (K8S-2375)
Fixed a problem related to anomaly detection of JavaScript errors for web applications. (APM-371452)
Windows system tile is now visible on the Technology Overview page. (APM-373933)
Fixed a problem that caused the "copyFromHostName" flag in rule-based service detection to be lost, causing service merging/splitting to not work as configured. (APM-379679)
Resolved an issue in which some pages could display higher values for the last 10 minutes of data. (APM-372258)
Preset service ID filter is no longer lost when navigating from dashboard service health tile to service list. (APM-371487)
Categories and side tabs now use the same percentages. (RUM-5886)
Fixed permission check to host settings on the new Host page. (APM-373585)
When monitoring mode is switched (for example, from "Full stack" to "Infrastructure only") while monitoring is disabled, the host monitoring history chart now remains with "Unmonitored" and only switches to the new monitoring mode when monitoring is re-enabled. (APM-368032)
Fixed an issue in which editing request naming rules of services was not possible for users who only have permission to change monitoring settings for specific management zones. (APM-375360)
Adapted alerting profiles settings: now, the tag list can't be empty if the mode is set to match any or all. (DAVIS-1666)
Logs table now uses full width when extra space is available. (APM-370078)
Fixed parsing error for embedded entity selectors that contain multiple escaped special characters in metric selectors, and fixed a bug that allowed multiple arguments to the entitySelector filter predicate in metric selectors. (APM-378450)
Only unique IP addresses are now provided on Deployment screens in the "Strict firewall policy?" section, which should be allowed for outgoing connections. (APM-373146)
Resolved issue that caused empty user session table on JavaScript error details page. (RUM-6326)
On the Applications > application details page, geolocations view (world map), selecting a country that never had any data no longer leads to HTTP Error 404. (RUM-6478)
The filter bar is no longer displayed when filter data is unavailable. (APM-371497)
Failure detection - request attribute conditions "equals" and "not-equals" on floating point numbers now work correctly. (APM-379472)
The Infrastructure Monitoring mode `--set-infra-only` OneAgent install parameter is now correctly recognized by the server. (APM-379864)
Fixed a problem that caused the "copyFromHostName" flag in rule-based service detection to be lost, causing service merging/splitting to not work as configured. (APM-379679)

Cluster Management Console

Fixed possible backup stuck in pending state when a node was removed. (APM-375115)
The system notifications banner has been restored in the CMC environment. (APM-378293)
ActiveGates not assigned to a private location now correctly display synthetic details on the CMC deployment status page. (APM-372489)
Fixed issue that delayed rollout of new "Disk options" settings page for some environments. (APM-374499)
Fixed an issue in offline installations when "read-only access for Dynatrace employees" was ignored for support tooling pages. (APM-372430)

Infrastructure monitoring solution

Fixed inconsistent metric values between infographic and summary table for AWS supporting services that were occurring for some global timeframe selections. (APM-372089)

Update 162 (Build 1.244.162)

This cumulative update contains 1 resolved issue and all previously released updates for the 1.244 release.

Cluster

Clicking on specific links in UI results in an error. (APM-378661)

Update 166 (Build 1.244.166)

This cumulative update contains 1 resolved issue and all previously released updates for the 1.244 release.

Cluster

Resolved IBM MQ API (ibmMQTracing/queueManager) call failure (Status 500). (APM-380674)

Update 172 (Build 1.244.172)

This cumulative update contains 3 resolved issues and all previously released updates for the 1.244 release.

Cluster

Resolved issue with incorrect default baselining settings for alerting, which resulted in incorrect baseline calculations and no alerting. (DAVIS-1788)
Resolved issue (introduced in Dynatrace versions 243 and 244) that inadvertently disabled Log Source configuration updates for OneAgents that were connected to server nodes added after upgrade of a cluster. (APM-380889)
Resolved issue that sometimes led to temporary disabling of log upload via OneAgent during long-running rollout cluster migration. (APM-375587)

Update 173 (Build 1.244.173)

This cumulative update contains 1 resolved issue and all previously released updates for the 1.244 release.

Cluster

Fixed cluster upgrade to version 1.246.191 (was failing with "Nodekeeper was not upgraded successfully" message). (APM-383763)