AppDynamics switched from Semantic Versioning to Calendar Versioning starting in February 2020 for some agents and March 2020 for the entire product suite.

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    This page lists the resolved issues for the agents, the Controller (on-premises or SaaS), and the on-premises platform in the 20.4 release. 

    When artifacts are updated, they are listed with their new version numbers in the tables below. Version numbers are also shown on the download portal (

    You can sort the table of resolved issues by key, version, and product, or use the search field to find resolved issues. The most recent releases appear at the top of the page.

    Agent Resolved Issues

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    CLUSTERMON-168Cluster AgentAfter Cluster Agent pod restarts, it does not preserve the configuration for monitored namespaces20.4.0
    CLUSTERMON-1164Cluster AgentClusterAgent v4.5.16.780 on a K8s Cluster v1.11 crashes with "panic: runtime error: integer divide by zero"20.4.0
    CLUSTERMON-6628Cluster AgentCluster Error Graph: Shows an incorrect number of Error Events20.4.0
    DBMON-6219Database MonitoringDatabase Agent cannot connect to Sybase Adaptive Server Enterprise 16.0 SP03
    DBMON-6553Database Monitoring

    Database Agent does not capture details from Sybase 15.5 database.

    DBMON-6303Database MonitoringThe metric browser does not capture the buffer and the cache memory metrics for a Linux collector20.4.0
    DBMON-6460Database MonitoringDatabase Agent cannot resolve the different nodes of Oracle RAC by using LDAP authentication20.4.0
    DOTNET-4521.NET AgentAgent doesn't report Http Status codes in Asp.Net core in-process hosted app20.4.0
    DOTNET-4448.NET AgentCoordinator taking longer to start when set as Earlystartservices20.4.0
    DOTNET-4508.NET Agent.NET Core 3.1 based application is failing to instrument with .NET Agent version 20.320.4.0
    BRUM-5979JavaScript Agentnode.type not supported in IE11 and throws an error20.4.0
    JAVA-6355Java AgentServer Transaction times out and is abandoned in based application with executor mode thread tracing enabled20.4.0
    JAVA-6560Java Agent

    Java Agent does not start when trying to instrument an application running with JDK1.6 due to log4j

    JAVA-6965Java AgentIn the dynamic agent attach scenario, the agent throws a NullPointerException and is unable to start due to a cached system property20.4.0




    Java AgentJMX attributes are marked as ignored if they are de-registered from the Mbean server. The attributes are not registered by the agent even if registered again with the Mbean server20.4.0
    JAVA-7139Java AgentObject Instance Tracking (OIT) does not work for all the Adopt JDK versions with both Hotspot and OpenJ9 distributions, the OIT works with AdoptJDK9-Hotspot20.4.0
    JAVA-7225Java AgentFixed the VerifyError that is displayed on the application startup20.4.0
    JAVA-7279Java AgentThread dump files captured are reported with a length of zero bytes20.4.0
    JAVA-7322Java Agent

    An exception is reported when Java Agent runs with an application that has JDK9+ and the application makes SQL calls

    JAVA-7342Java Agent

    An error is reported in the agent when instrumenting apps deployed on jetty 6.x because the class org.mortbay.jetty.Response#getHeaders returns an enumeration object

    SERVER-6167Machine AgentMachine Agent shows wrong IPV4 address for the network interface card20.4.0

    Controller (SaaS/On-Premises) Resolved Issues

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    ALERT-2307Controller - Alerting & RespondImport of Action API fails with an error "Could not import Actions: Transaction marked for rollback."20.4.0
    ALERT-4482Controller - Alerting & RespondAction suppression with object scope set to 'node' resets to scope 'application' when saved20.4.0
    ALERT-6028Controller - Alerting & RespondRemove Alerting Template RBAC constraints20.4.2
    ANALYTICS-10310ControllerSQL data collectors are not enabled for Analytics when saved from new HTML screens20.4.0
    ANALYTICS-12272ControllerCannot save Analytics searches if the search name exists in another account20.4.0
    ANALYTICS-12322Controller UINo access to Mobile Code Issues event type on Analytics search screen20.4.0
    ANALYTICS-12397ControllerOption to create SQL Data collector from APM snapshot is missing from 4.5.10 Controller version20.4.0
    APMPLAT-11662ControllerExcessive logging of error messages has been fixed20.4.0
    APMPLAT-13124Controller UIFilters for Transaction Snapshots has been fixed and is working correctly20.4.0
    CDM-6119iOSAppD sessions do not end post 10 mins inactivity as per the defined timeout, leading to long-running events20.4.0
    CDM-6198Mobile RUM

    "Crash Snapshot Details" dialog fails to open

    CLUSTERMON-868ControllerSome cluster agent metrics are listed even when there are not enough Server Visibility licenses20.4.0
    CLUSTERMON-1177ControllerHigh load on Controller when monitoring the deleted and the succeeded pods in a cluster20.4.0
    COGENG-110Controller UISelecting the business transaction in filters does not change the list of violations20.4.0
    COGENG-438Controller - Anomaly DetectionVariables are not being replaced with values intermittently, within an email template for anomaly events20.4.0


    ControllerThe hardware metrics are not captured on the MS SQL database dashboard or on the Metric browser when using a custom cluster20.4.0
    DBMON-6115ControllerThe controller displays access key mismatch event when the database agents start with license rule access key20.4.0
    DBMON-6119Controller UIThe details pane on the Queries Statistics Report page is too small to view the data20.4.0
    DBMON-6307ControllerRemote DB Service with meta-info 'jdbc|db|adodotnet' cannot be mapped to a database collector20.4.0
    DBMON-6628, DBMON-6641ControllerMissing the database nodes in "Network Dashboard" flow map20.4.0, 20.4.2
    DIAGPLAT-58ControllerOptimizing EventManagerBean.getEventDetailsInBatch to prevent Internal Service and Event details errors20.4.0
    DIAGPLAT-425ControllerReceiving 500 internal errors when attempting to view snapshots in an application20.4.0
    L4A-10645AuthenticationSAML encryption key is updated when a role is deleted20.4.0
    L4A-11010AuthenticationLDAP TLS client contexts should default to the newest TLS version supported by the Controller's bundled JRE20.4.0
    L4A-11361AuthenticationNested group functionality not working20.4.0
    L4A-11846AuthenticationReset password button is disabled20.4.0
    L4A-12066AuthenticationOptimizing LDAP sync 20.4.0
    METADATA-8112Dashboards and ReportsShow error in Controller UI when a user doesn't have permission to create dashboards20.4.0
    METADATA-8228Controller - PlatformThe CustomDashboardImportExportServlet no longer writes a reply to the client before committing the transaction20.4.0
    MQS-1028MetadataExpression widget with business transactions with MetricHierarchy shows no data20.4.0
    REPORTS-591Reports ServiceApplication Health Reports show APPDYNAMICS_INTERNAL_DIAGNOSTICS events20.4.0
    SERVER-6833Controller UI
    Server page displays total number of servers in the bottom right footer20.4.0
    SERVER-7505Controller - Machine AgentAppDynamics Agents UI displays 'java.lang.NullPointerException' error for 'Machine Agents20.4.0
    SERVER-7725Controller - Machine AgentMachine Agent reports data continuously, but health rules on those metrics remain in a "Cancelled" status20.4.0
    SERVER-7855Controller - Machine AgentMetric hierarchy REST API returns empty response for Root|* in hierarchy path20.4.0
    SERVER-8249Controller UIOS icons are not displaying properly on on-premises Controller UI20.4.0
    SVCMON-639ControllerCreating a business transaction group causes a NullPointException20.4.0
    SYNTH-5024ControllerSynthetic Private Agent license usage for SaaS customers is incorrect20.4.0
    UIPLATF-9947Custom DashboardsCustom Time Range Seems To Be Broken20.4.0
    UIPLATF-6208Custom Dashboards Absolute Layout: Widgets aren't saved correctly after creation20.4.0
    USERIMPACT-258ControllerReadonly users cannot access Experience Journey Maps UI20.4.0

    On-Premises Platform Resolved Issues

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    BRUM-5973EUM ServerMethod needed to specify domains or subdomains when setting the "access-control-allow-origin" HTTP header
    CDM-6234EUM ServerChange default ANR threshold value when AnrSeverityThresholdConfig is missing20.4.1
    ECONSOLE-2824Enterprise ConsoleIf error occurs, Enterprise Console job fails immediately instead of waiting 45 minutes20.4.0
    ECONSOLE-5553Enterprise ConsoleA check was added to the AWS Controller installation with Aurora to help prevent database misconfiguration20.4.0
    ECONSOLE-5779Enterprise ConsoleController installation no longer fails due to timeout20.4.0
    ECONSOLE-5933Enterprise ConsoleUpgrading Controller from 4.5.x to 20.3 fails with 'mysql_upgrade' version check failure20.4.0
    EUMPLAT-778EUM ServerMobile Dashboard fails to load20.4.1
    EUMPLAT-790EUM ServerLicense Service keeps making calls for individual account usage and terms20.4.1
    EUMPLAT-800EUM ServerMore usage data needs to be included into the EUM Usage Trend API20.4.1
    SYNTH-5140Synthetic Private AgentFirefox measurements fail for some specific URLs20.4.0

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