New features:

• Support for Hibernate 6
• Full support for monitoring with Java 21, including virtual threads

Bug fixes:

• Regression in 4.​0.2: Units for lower and upper bounds of thresholds were not saved and were always set to the first element in the drop-down
• GC telemetry did not show any data under some circumstances
• Fixed NPE in transaction-based views, when moving to a period with available data after showing a period with no available data
• Class browser failed to show if multiple classes with the same name existed
• The timeline actions in the memory view did not work in comparison mode
• Previous service accounts are now preserved when installing a perfino update on Windows
• The "Send test mail" button in the installation wizard did not work
• When the "vmUseSsl" property in perfino.​properties was set to true, the agent keystore file was not automatically added to the agent files that are downloaded from the perfino UI
• Fixed NPE during LDAP lookup

New features:

• Dark mode for documentation
• Support for fine-grained CPU profiling on macOS ARM (Apple Silicon)
• Support for monitoring Java 18

Bug fixes:

• "Show" action in the MBean operation result window did not work
• Fixed a problem where the agent would continue to record too much data if it could not reach the perfino server for extended periods of time
• Fine-grained CPU recording action did not work with Java 8 on Linux
• Users that were created automatically through LDAP had no access rights for JVM groups
• Fixed SSL compatibility issues with some SMTP servers

Bug fixes:

• Fixed SSL connection problem for encrypted agent communication with recent Java releases

New features:

• Full support for monitoring with Java 16

Bug fixes:

• When deleting snapshots or VMs, the table was not refreshed

New features:

• Added support for Jakarta EE 9

Bug fixes:

• Regression in 4.​0: Time line actions in data views did not work anymore
• Regression in 4.​0: Hierarchy in sampling views was broken for long call chains
• Fixed exception when clicking the "Choose transaction" button in the hot spots view when no hotspots were shown
• Some warning labels were unreadable in dark mode

New features:

• HTTP probe
• Dark mode
• Responsive UI
• Recording of JFR snapshots in VMs view and with a trigger action
• Webhook trigger action
• Trigger action for taking shallow memory snapshots
• LDAP authentication
• Options for showing a logarithmic and frozen y-axis in telemetries
• The maximum retention time for transactions is now configurable
• The perfino server can now run with Java 11 in addition to Java 8
• Keyboard support for tables
• The perfino agent no longer depends on the java.​desktop module
• Configurable window title

Bug fixes:

• Do not trigger a lower bound threshold violation for average time telemetries if there were no transactions or probe events

New features:

• Support for monitoring with Java 13

Bug fixes:

• JProfiler installation detection did not work anymore since the top-level directory in the JProfiler archives contain the full version number
• Fixed a memory leak in the data collector
• Fixed a StackOverflowExceptions in the agent

New features:

• Full support for monitoring with Java 11

Bug fixes:

• Transaction graph in the dashboard did not advance fast enough, leading to an incorrect time scale
• Fixed a memory leak in the telemetry drop-down
• Periodic heap snapshot options were always taken from a subgroup even when it did not override that setting

New features:

• Full support for monitoring with Java 10
• Added a "contextPath" property in perfino.​properties that adds a prefix to the URL. This is useful if the web server is behind a reverse proxy.
• Support for mongoDB 3.​6
• Support for Wildfly 12
• Left clicking on data points in telemetries now shows the context menu
• The documentation is now also available as an eBook that can be downloaded from web site

Bug fixes:

• Fixed a rare class loader dead lock during instrumentation
• Threshold configurations for telemetries with a unit of "milliseconds" had an invalid default unit selection for lower and upper bounds
• Improved robustness of the database during crashes
• Fixed an NPE when the URL query string was empty and parameters were used for the transaction name. This could lead to unrecorded transactions.

New features:

• Full support for monitoring with Java 9
• Support for HBase 1.​3
• Support for Cassandra DataStax driver 3.​3
• Support for mongoDB 3.​4
• Support for Axis2 1.​7 and CXF 3.​1
• JDBC, Cassandra and MongoDB telemetries are now stacked area graphs showing recorded and unrecorded statements separately
• Added an "Auto-scroll to end" check box to the log viewers

Bug fixes:

• The telemetry overview did not work for single VMs
• The time range for "Recently seen JVMs" in the VMs view was always one hour. Now it is set to the selected sparkline range
• Telemetry consolidation data was not created for all VMs
• Set actions were not disabled when the recording settings were shown in the installer
• Threshold bounds in the configuration were limited to 8 digits
• Scrollbar for view selector was missing in VM data view
• View filters in transaction-based views were not removed when switching top-level views
• Some monitoring data directly before a thread death may not have been recorded
• Hiding data in charts and telemetries by clicking on legend items was not persistent across data updates
• Hiding data in charts and telemetries by clicking on legend items did not adjust the scale of the y-axis
• Gracefully handle multiple perfino -javaagent VM parameters on the command line
• Timelines in the call tree view did not use the "Split" policy selection and always showed merged policies

New features:

• Micro service-friendly licensing scheme, with one perfino license you can now monitor an unlimited number of JVMs
• An overload protection mechanism now prevents service degradation due to misconfiguration
• Hot backups of the database via the REST API
• Separate databases for config data and recording data
• Reduced size of the database
• Problems view in the dashboard
• Improved transactions view in the dashboard
• Drill-down directly from the dashboard
• Transaction timeline for call tree and hot spot views
• More time ranges in telemetries, added zoom buttons at the top and in the context menu
• Double clicking on telemetries zooms in
• Inline navigation buttons when hovering at the edges of telemetries
• Context menu actions in telemetries for jumping to call tree, hot spot and other related views
• Animated vertical scale changes for telemetries
• After a temporary network problem, the browser UI can now reconnect to the server
• Icons in call tree are now colored corresponding to their policy violation type
• The UI now survives temporary network connection problems and reconnects to the backend automatically

Bug fixes:

• First RMI call that passed a callback object was not recorded correctly
• Call graph: Selected nodes were not auto-scrolled into view when the detail panel was shown

New features:

• Web transactions: Show full URLs in the "Method sampling" view
• Web transactions: Numeric IDs in URL segments are now replaced with an <id> placeholder by default. In the config dialog of the naming element there is a checkbox to avoid this replacement.
• MBean browser: Always add "ObjectName" attribute
• MBean browser: Show keys in MBean tree
• When double-clicking on the "Naming" and "Policies" columns in the transaction definition list, go directly to the corresponding step in the wizard

Bug fixes:

• Probe hot spots views: When expanding and collapsing the comparison area, the layout of the header area was broken

Bug fixes:

• Bundled Jetty server was vulnerable to the Logjam attack
• JRE bundles are now Java 8 to avoid problems with weak ephemeral Diffie-Hellman keys
• Improved performance of transaction consolidation
• Fixed JDBC connection problems with older MySQL versions

New features:

• Free for development with a single VM monitoring and 24 hour historical data
• New look for the web frontend
• Added an MBean browser view
• Configurable telemetries based on MBean data
• Enhanced Devops telemetries to match capabilities of MBean telemetries
• REST API for exporting recorded data
• Probe data in dashboard
• Support for running the web frontend on Jetty 9 and Tomcat 8
• Updated bundled Jetty web server to Jetty 9.​2.6

Bug fixes:

• The login form would not remember the user/​password combination for recent versions of Chrome and Firefox
• Made auto-update of agent more robust when a perfino upgrade is performed

New features:

• Only use one external port for RMI communication between collector and UI, making it possible to deploy collector and UI in different networks separated by a firewall

Bug fixes:

• Fixed rounding issue for maximum display range of sparklines when maximum values where close to 1
• Updated bundled Jetty web server to 8.​1.16
• Updated bundled H2 database to 1.​3.176

New features:

• Initial release