The following hotfix is available for Appian 20.2.

If you have a self-managed installation, you can view your current Appian version by logging into your Appian environment as a designer or system administrator and clicking the navigation menu > About Appian

This is a cumulative hotfix that includes all resolved issues listed below in a single download and set of instructions. This hotfix is required for any Appian 20.2 installations not currently up to date with the latest hotfixes. After installing, you will be running on Appian 20.2.1100.0.

20.2.1100.0 Hotfix

See the Installation section at the bottom of this page for instructions on how to install this hotfix.

Resolved issues


  • Security Updates - Low


  • Security Updates - Low

  • AN-172578 - Medium
    Processes involving users who were renamed can now be safely unarchived while using the 'usermap' parameter in the unarchiving script. Prior to this fix, unarchiving such processes would fail and cause the execution engine to rollback.


  • Security Updates - Low


  • Security Updates - Low


  • Security Updates - Low


  • Security Updates - Medium

  • AN-188525 - Medium
    Caching mechanism for data stores has been improved to optimize resource utilization.

  • AN-189656 - Medium
    File upload fields no longer produce an error when a percent (%) character is present in the filename of an uploaded file.


  • AN-189419 - High
    Fixed an issue where the PDF Doc From Template Smart Service would not use the checkbox style defined in the PDF template.


  • Security Updates - High

  • AN-188661 - Medium
    TrimTables script now allows you to trim excess table entries from the Content engines in order to reduce memory usage and improve performance.

  • AN-189012 - Medium
    Fixed an issue that caused a potential thread deadlock when writing access log response data to the Health Check zip file.


  • Security Updates - Medium

  • AN-180216 - High
    A timer which calculates the memory usage of process instances no longer causes errors in the process execution engine. Prior to this fix, the timer would cause the process execution engine to rollback in certain scenarios.


  • Security Updates - Low

  • AN-172311 - Medium
    Fixed a race condition during an engine failover and promotion event, that could result in an engine shutting down instead of being promoted to primary.

  • AN-136621 - Low
    Increased the maximum number of replicas of an engine from 5 to 9.


  • Security Updates - Low


  • AN-187146 - High
    Fixed an issue that caused Db2 database connection string validation to fail during the data source creation in the admin console.

  • AN-182753 - Medium
    Show generic error messages for errors encountered during user authentication.

  • AN-186938 - Medium
    A type of crash of the process design engines caused by an error with a specific activity class parameter type in a process is now prevented.


  • Security Updates - Low


  • Security Updates - High

  • AN-185647 - High
    Repeated wildcard queries caused in pickers and search boxes no longer cause site performance issues.

  • AN-52587 - Medium
    Provided a configuration to increase the size of the email messages that can be sent out.

  • AN-181512 - Medium
    The automatic background cleanup of old transient system files no longer impacts site performance or user experience. For self-managing customers, if you had previously set conf.content.max.temporary.uploaded.files.age in, you should now remove that setting. Appian Cloud customers do not need to take any action.


  • Security Updates - Low

  • AN-176614 - High
    Upgraded OpenJDK to version 8u292b10.

  • AN-185842 - Medium
    On-premise customers can re-enable TLS 1.0 and 1.1 support for Tomcat.


  • Security Updates - High

  • AN-184495 - Low
    Improved disk usage of backend processes that affect deployments, design guidance, and artificial intelligence features.


  • Security Updates - Critical


  • AN-143471 - Medium
    Interfaces no longer break when typing an incorrect format into a date component.


  • Security Updates - Medium


  • AN-183101 - Medium
    Improved error messaging when unable to create a new data type by uploading an XSD.


  • AN-181252 - Medium
    Upgrade Zookeeper to 3.7.0

  • AN-182236 - Medium
    Fixed an issue that prevented the OAuth Provider from redirecting back to the mobile app after authorizing the user.

  • AN-178286 - Low
    Fixed an issue which caused outdated validation errors to appear when uploading an XSD to create a new version of a data type.


  • Security Updates - Low

  • AN-181244 - High
    Designers can now view up to 25,000 tables when creating a CDT from a database table.

  • AN-182179 - High
    Execution of processes with very large process variables now use less memory. Prior to this fix, such operations could cause the site to go out of memory in certain scenarios.

  • AN-180764 - Medium
    Fixes a bug that caused double slashes '//' to be interpreted as single slashes '/' in the URL of HTTP integrations.


  • AN-179477 - High
    Plugins are no longer removed when certain app server connections fail

  • AN-176903 - Medium
    Data store operation is now more robust to database connection problems that might occur due to network issues.

  • AN-180967 - Medium
    Updated Apache PDFBox to 2.0.23 to address the out of memory exception experienced when loading certain PDF files.

  • AN-181036 - Medium
    In Internet Explorer, the in-line design guidance banner now displays correctly when the language is set to Arabic.

  • AN-181111 - Medium
    Fixed an issue with metric collection process


  • AN-104684 - Medium
    The CDT relationship dialog now displays the correct instructional text


  • Security Updates - High


  • Security Updates - Medium

  • AN-179530 - Medium
    Process model version comparisons now detect and highlight changes made to data inputs of smart services accurately.

  • AN-179365 - Low
    Tooltips in the source and target plug-in version columns in the deployment details view now display the accurate environment information.


  • AN-179059 - High
    The status script no longer show an engine in the RUNNING state if that engine had errors during startup.


  • AN-179475 - Medium
    Data source connections are properly closed when the data sources are updated or deleted in the Appian Administration Console.


  • AN-179407 - High
    Fixed issue with web API responses


  • Security Updates - Low

  • AN-178507 - Low
    Logging mechanism has been updated so that the application server does not unnecessarily log "duplicate entry" error when a document is downloaded from the document viewer.

  • AN-178677 - Low
    Query error messages now display more information


  • Security Updates - High

  • AN-178797 - Medium
    Users whose locale is set to something other than the primary site locale can now create and save new process models from the Appian Designer space.


  • Security Updates - Medium

  • AN-174840 - Medium
    Added work to support Smooth Mobile Onboarding feature on older servers

  • AN-177620 - Medium
    When a package with multiple database scripts is redeployed to another environment, the scripts will now be displayed in the order of execution.


  • Security Updates - High


  • Security Updates - High

  • AN-158987 - Medium
    Fixed an issue where extra padding is applied around the header content layout in user input tasks.

  • AN-175842 - Low
    For High Availability configurations, all engines automatically restart, when safe and without disruption, after checkpointing. This allows the engines to reclaim unused memory which previously could not be released until a scheduled or forced restart of the engines.


  • Security Updates - Critical

  • AN-174630 - Medium
    When a data source is deleted from admin console, application server is restart is no longer required to remove the information about the old connection in cache.

  • AN-174875 - Low
    Fixed an issue that prevented Appian Data Server from restarting under certain conditions.

  • AN-175330 - Low
    A race condition that could prevent an engine from checkpointing and shutting down has been eliminated.


  • Security Updates - High

  • AN-175464 - Medium
    Fixed an issue where linked rich text icons in modals did not show their tooltips.

  • AN-174986 - Low
    The Kafka component used by the Internal Messaging Service has been upgraded to version 2.7. This upgrade makes these services more resilient in the event of network, OS process, or machine hardware failures.

  • AN-175248 - Low
    MariaDB upgrade compatibility checker now checks for the existence of the function ANY_VALUE in Appian Cloud MySQL Database.


  • AN-175075 - Medium
    Fixed an issue that prevented the user from going back to the login screen after resetting their password

  • AN-175286 - Medium
    Fixed an issue that caused cache corruption and prevented cache cleanup from running properly on some machines.


  • Security Updates - Critical

  • AN-174532 - Medium
    Fixed an issue that caused unexpected empty areas to appear at the bottom of interfaces when grids are collapsed within boxLayout/sectionLayout

  • AN-170770 - Low
    Process Models no longer incorrectly show warnings for missing referenced items. Prior to this fix, some process models and their process instances unexpectedly displayed this warning due to a bug in unarchiving processes. That bug was fixed in 20.2 Hotfix Package D (see AN-165870).


  • Security Updates - Critical

  • AN-173182 - Medium
    Replication timeouts during a checkpoint no longer cause an engine to failover.


  • Security Updates - Medium

  • AN-173741 - Medium
    The navigation menu icon and user profile photo in the navigation bar now have a more prominent keyboard focus style.

  • AN-174093 - Medium
    Updating CDTs now have improved logging to record unexpected updates to any older versions of the CDT. These events will be available in the Process Design engine log.


  • Security Updates - High

  • AN-173190 - High
    Submitting a record action component dialog and then quickly opening another record action dialog no longer causes interfaces to become unresponsive.

  • AN-173962 - High
    Fixed an issue with WSDL consumption which could result in thread exhaustion in cases where the web service was slow to respond.

  • AN-173649 - Medium
    Fixed a keyboard navigation issue for rich text icons with a link and a caption where the caption would only appear after a second tab press on the icon.

  • AN-174002 - Medium
    Improved the performance of the Application Designer and object designers, especially in environments that have hundreds of records and reports.

  • AN-174009 - Medium
    Fixed an issue where screen readers did not announce a required picker field as required if the number of selections already reached the maximum.


  • Security Updates - Low

  • AN-172803 - Medium
    Fixed a display issue with the expression editor icon in the process modeler when viewed in Internet Explorer.


  • Security Updates - Low


  • Security Updates - Low

  • AN-168877 - Medium
    Process history now properly displays a user whose username was changed. Prior to this fix, process history would display a blank user for users whose username was changed.

  • AN-172432 - Medium
    Fixed an issue where threads could become stuck while cleaning up cache entries.

  • AN-164728 - Low
    Users with a null username can no longer be reactivated using the Reactivate User Smart Service. Prior to this fix, it was possible to reactivate a user with a null username causing errors while accessing the user.

  • AN-170066 - Low
    Fixed an issue that prevented system administrators from logging in when they are not part of the Designer and Application User groups.

  • Security Updates - Critical

  • AN-170363 - Medium
    Fixed an issue that caused interfaces to become unresponsive after submitting a record action dialog and then quickly opening another record action dialog.

  • AN-171833 - Medium
    Fixed an issue that caused interfaces to become unresponsive after submitting a record action dialog and then quickly opening another record action dialog.

  • AN-165165 - Low
    When duplicating objects, developers are no longer added to the security rolemap as an administrator if they already belong to a group with administrator permissions.  

  • AN-166239 - Low
    Fixed an issue which could cause spikes in memory usage or log extraneous error messages when editing interface objects.

  • AN-168586 - Low
    When deploying applications to a target environment, developers are no longer added to the application's security rolemap as an administrator if they already belong to a group with administrator permissions.

  • AN-171145 - Low
    Duplicating a process model now correctly generates new node UUIDs.

  • Security Updates - Critical

  • AN-171665 - Medium
    Update RPA Execute Process Integration to fix issue of an empty dropdown parameter value causing error

  • Security Updates - Medium

  • AN-170688 - High
    ElasticSearch version has been upgraded to resolve the issue of high heap usage by Search Server.

  • AN-170763 - High
    Fixed an issue that caused some functions in expressions to be replaced by their previous Appian version.

  • AN-170917 - Medium
    Fixed an issue which caused the application server to slow down if a database became unresponsive

  • AN-55085 - Medium
    The Render Phase Mean Time metric is now accurately logged in rest_details.csv. Prior to this fix, the metric was logged incorrectly in certain scenarios, causing its value to be larger than the Mean Total Time.

  • AN-170457 - Low
    Fixed a display issue where a direct deployment's details page showed its database scripts in a different order from which they were originally specified and executed.

  • AN-170527 - Low
    Fixed a display issue where an error dialog is shown after updating a SAML IdP metadata file in the Administration Console, although the change is successfully saved.

  • AN-170394 - High
    Fixed an issue that caused processes using the Send Email Smart Service to fail due to high load on the engines.

  • AN-148898 - Low
    Fixed an issue where the French (Canada) translation for the Date & Time component placeholder was incorrect resulting in selected value validation errors.

  • Security Updates - Critical

  • AN-169808 - Medium
    Fixed an issue which prevented refresh intervals from updating a local variable’s value while testing an interface.

  • Security Updates - Critical

  • AN-169523 - Critical
    Fixed an issue with data server migration that prevented data server from starting up on self-managed windows installation of Appian.

  • AN-169464 - High
    Process History details can be safely accessed for processes with process variables of type 'dictionary'. Prior to this fix, accessing history for such processes would cause the process execution engine to rollback in some scenarios.

  • AN-156075 - Medium
    The Export Data Store Entity to Excel or CSV smart services will no longer execute indefinitely when exporting a database view that has a null primary key. Instead, these smart services will fail appropriately at run-time and display a corresponding process error message.

  • AN-160691 - Medium
    Fixed an issue that resulted in the mobile user needing to select the intended mobile application during the user authentication process

  • AN-168635 - Low
    The keyboard focus indicator is now visible for the 'Skip to main content' link on Tempo and Sites.

  • Security Updates - Medium

  • AN-166394 - High
    Search server indexing process is now more robust to race conditions across nodes on a Highly Available Appian site.

  • AN-167283 - Medium
    Fixed an issue where navigating quickly between pages on a site could cause an unexpected error.

  • AN-168251 - Medium
    Fixed an issue which caused the server to evaluate some expressions more slowly while under heavy load.

  • AN-168003 - Low
    Unused configuration files have been removed from the Service Manager conf directory.

  • AN-168554 - Low
    Fixed an issue with a broken documentation link in the Button Widget validation parameter.

  • AN-168025 - Medium
    Fixed an issue that prevented Search Server settings from getting applied to a site.

  • AN-168138 - Medium
    Fixes an issue which causes the application server to slow down if a database becomes unresponsive.

  • AN-168169 - Medium
    A system error will no longer occur during Inspection in Compare and Deploy when certain calls to the target environment have timed out.

  • AN-168212 - Low
    Fixed an issue where data types that contain certain simpleType and other XSD elements could not be opened in the Data Type Designer.

  • AN-168308 - High
    Fixed an issue that caused an error when opening certain related actions in a dialog box.

  • Security Updates - High

  • AN-143009 - High
    Nested CDTs with date or datetime fields are now not updated redundantly when the parent CDT is updated. This results in performance improvement during writes to parent CDTs.

  • AN-165870 - High
    Processes archived after adding additional process execution shards beyond the default three can now be unarchived safely. Prior to this fix, unarchiving these processes would fail due to data corruption.

  • Security Updates - Medium

  • AN-166375 - High
    Processes that were archived prior to version 6.6.3 can now be successfully unarchived. Prior to this fix, unarchiving these process caused the process execution engine to rollback in some scenarios.

  • Security Updates - High

  • AN-163470 - High
    Newly added process execution engines now properly validate for missing users. Prior to this fix, certain functionality such as unarchiving processes would fail if they contained one of the missing users.

  • AN-164491 - High
    Fixed an issue that caused the Start Doc Extraction Smart Service node to fail after upgrading a site from 20.1 to a higher version.

  • AN-165843 - High
    Archived processes that are missing user UUIDs can now be unarchived safely. The missing users in the unarchived process will show up as "null" in the unarchived process. Prior to this fix the process execution engine could roll back in such a situation, causing a temporary outage. The issue causing processes to archive with missing user UUIDs was fixed in a different hotfix (see AN-160176).

  • AN-162600 - Medium
    Modal dialogs now show a visual indicator when the dialog itself has keyboard focus.

  • AN-165492 - Medium
    Improved performance when editing interfaces containing large data structures. This prevents an issue where certain interfaces may fail to load.

  • Security Updates - Low

  • AN-153413 - High
    Fixed an issue where importing types or deploying a plugin in some scenarios would cause the process design engine to rollback

  • AN-162502 - High
    The engine startup sequence has been streamlined so that if a problem occurs during startup, it will fail quickly rather than after a prolonged timeout. Previously, certain conditions could make engine startup hang for up to 10 minutes before failing.

  • AN-165944 - High
    Socket timeout for Oracle database connection has been disabled by default. Customers will no longer see SO_TIMEOUT errors in the application server log when accessing Oracle database from an Appian Cloud site.

  • AN-163121 - Medium
    Linked cards are now properly included in the list of links dialog when using assistive technologies.

  • AN-164042 - Medium
    Health Check data collection no longer fails due to certain invalid application configurations.

  • AN-164748 - Medium
    Fixed an issue that caused record types to appear to be modified

  • AN-159960 - Low
    Fixed cosmetic issue to remove extra white space between toolbar and document in Document Extraction reconciliation tasks on Sites.

  • AN-164957 - Low
    Oracle JDBC driver for Appian Cloud sites has been updated to version 19.7

  • Security Updates - Medium

  • AN-164662 - Medium
    Fixed an issue that occasionally caused types to be cached incorrectly in the system on appserver startup.

  • AN-165105 - Medium
    Fixed an issue where the width of some components inside a collapsible section were incorrect. As a result of this change, the animation on the collapsible section which gradually reveals components has been removed from IE11 and added to Safari. The animation is purely visual and has no functional impact.

  • Security Updates - High

  • AN-164708 - High
    Improved performance of larger interfaces when the system is under high load.

  • AN-162346 - Medium
    Fixed an issue that prevented process model comparisons from rendering when sub-process nodes contain certain custom data type inputs.

  • AN-163494 - Medium
    Reduced memory footprint of the Read-Only Grid Component.

  • AN-163516 - Medium
    An issue resulting in an excessive number of threads in a waiting state on a site after the usage of data stores has been resolved.

  • AN-164714 - Low
    Change the Process Model Recommendation weighting file to the .weights format.

  • AN-160413 - Medium
    Fixed an issue where rule renaming did not automatically rename rules called in the expression editor in the record header configuration.

  • AN-161920 - Medium
    Fixed an issue where rule renaming did not automatically rename rules called in the expression editor in the record header configuration.

  • Security Updates - High

  • AN-163541 - Medium
    It is no longer allowed to create a business data source in the Admin Console with the same name as the Appian Cloud provided business data source.

  • AN-158574 - Low
    Removed a broken documentation link from expression-backed records created prior to 18.3

  • Security Updates - Medium

  • AN-161946 - Medium
    Fixed an issue where grids with certain pagingSaveInto configurations validated on page or sort action. This updates behavior to be consistent with Appian 20.1 and earlier.

  • AN-163423 - Medium
    Health Check now gracefully handles the presence of multiple gzip files in the logs directory.

  • AN-163562 - Medium
    The From address for the forgot password email now matches the site name configures on the branding page of the administration console.

  • AN-161558 - Low
    Updated interface and data type designers to use improved terminology: "grid with detail view" and "parent-child"

  • Security Updates - Medium

  • AN-160350 - Medium
    When viewing the process history of a process, the values of process variables of type user now show the new username for users that have been renamed instead of blank. This restores behavior to be consistent with version 19.4 and earlier.

  • Security Updates - Medium

  • AN-162012 - High
    Reduced memory footprint and improved stability of the application server in certain cases.

  • AN-163459 - High
    Reduced memory footprint and improved stability of the application server in certain cases.

  • AN-93216 - Medium
    The login behavior is now consistent when attempting authentication with invalid credentials and the system has both SAML and LDAP authentication mechanisms configured and enabled.

  • AN-161252 - Low
    Manage Test Cases now displays long expression rule names correctly in the Test Case Results pane.

  • AN-162270 - Low
    Rule input expressions in the Forms tab of a process node now display system rules in a human-readable format.

  • Security Updates - Low

  • AN-160317 - High
    Fixed an issue with component plug-ins where users on Google Chrome 83 could not download the embedded content.

  • AN-152118 - Medium
    Service manager will now log an exception if checkpointing is disrupted due to disk access. This will then ensure the process does not hang indefinitely.

  • AN-162191 - Medium
    A custom property has been added to make it easier to connect with databases that have case-sensitive collation configured. This property allows customers to work around the scenario of data stores not validating due to the application server lower-casing the schema defined in the XSD. On-premise customers can set "" property in to "none" to access the problematic entities. For cloud customers, the same property can be set via a Support case.

  • AN-162015 - Low
    Users that have had a username rename performed are now listed correctly in the Record Type Security dialog in Appian Designer.

  • AN-161604 - High
    Added the ability for plug-ins to access packages from the Oracle JDBC jar that ships with Appian.

  • AN-160805 - Medium
    Engines are more resilient during network instability and will eventually succeed in leader election even through connection loss.

  • AN-73461 - Low
    Fixed an issue where a horizontal scrollbar displayed when using Arabic language.

  • Security Updates - Medium

  • AN-161467 - Medium
    Fixed an issue in the process modeler that allowed for the creation of process variables with invalid types.

  • AN-154892 - Low
    It is no longer required to run the ResetAnalytics script on all servers, it can be run on any server running an analytics engine. Additionally, the script now has improved logging and can be used on distributed sites where components are distributed across multiple physical machines.

  • AN-160176 - High
    New users created after adding additional process execution shards beyond the default three are now properly populated in the newly added execution engine shards. Prior to this fix, certain functionality such as unarchiving processes would fail if they contained one of the newly-created users. This restores behavior to be consistent with version 19.4 and earlier.

  • AN-161454 - High
    Fixed an issue where a process model could automatically save an incorrect version with missing node connections, swim lanes, or data output targets when using RecordType as an input type to a User Input Task.

  • AN-161531 - High
    Restore the previous default encoding to UTF-8 for integration responses that don't explicitly specify a charset.

  • AN-161752 - High
    Data cleanup procedures that run on site startup now run asynchronously so that the do not block the startup process.

  • AN-161107 - Low
    Updated Java API documentation to ensure consistent terminology for terms: allow list, block list, main, and shard.

  • AN-161571 - Low
    Fixed an issue where references to a!refreshVariable could be displayed as their internal storage form after upgrade.

  • Security Updates - Medium

  • AN-160477 - High
    Screen reading software now correctly reads content within non-collapsible sections and boxes in Internet Explorer 11. This is not an issue in other browsers.

  • AN-160973 - Medium
    The multiple dropdown component now shows visual indication of keyboard focus when the user's keyboard focus is on a selected option.

  • AN-160994 - Low
    Fixed an issue that caused column layout alignment issues.

  • AN-161012 - Low
    Oracle 19.3 JDBC Driver is now used as the driver for Appian Cloud site connection to Oracle database configured as a data source.

  • Security Updates - Medium

  • AN-160012 - High
    Preemptively updated the cache to prevent errors when interacting with Appian Designer.

  • AN-160126 - High
    The stability of the process execution engine has been improved. Previously, a user ID stored in the engine in an unexpected format could cause the engine to rollback, causing a temporary service outage for process execution.

  • AN-156806 - Medium
    Fixed an issue where saving an expression with unbalanced parentheses or brackets could cause an expression to use older versions of functions.

  • AN-157262 - Medium
    The "Back to sign-in page" link on the "Forgot Password" page is now keyboard accessible.

  • AN-160248 - Medium
    Fixed an issue with the web content component where users on Google Chrome 83 could not download the embedded content.

  • AN-159576 - Low
    Fixed an issue where the Trends report in Quick Apps shows an error if user field is used.

  • Security Updates - Medium

  • AN-159696 - High
    Fixed an issue where Dictionary could not be cast to RecordType in certain situations

  • Security Updates - Medium

  • AN-156879 - High
    Record types that contain record action components in the record list now import successfully.

  • AN-145552 - Medium
    Fixed a race condition on engine startup that could pollute the service manager logs with illegal state transition warnings

  • AN-159511 - Medium
    Record views can now be deleted successfully on all record types where the record header is a color or image. If your application is in this state, export the Record type and import it again to fix the issue.

  • Security Updates - High

  • AN-155505 - High
    Kafka shutdown will no longer hang if Zookeeper is already down on any other node of the cluster.

  • AN-156543 - High
    Reverts a previous change that could result in process reports unable to properly fetch process variables

  • AN-157887 - High
    Engine replicas that failed to start or failed to replicate due to an IllegalReferenceCountException are now able to start and replicate transactions properly.

  • AN-158972 - High
    Fixed an issue where users not in the "Tempo Users" group would see an error in record action dialogs.

  • AN-118361 - Medium
    The primary engine will checkpoint in the event of a replica encountering a transaction replay error. This allows the replica to restart quickly and eliminates the need to replay on restart.

  • AN-140219 - Medium
    Resolved an issue where the changes to the maximum file upload size property were not remembered on cloud sites.

  • AN-151465 - Medium
    Fixed an issue where read-only grid columns using rule inputs as parameter values caused some interfaces to error on initial load.

  • AN-153200 - Medium
    During engine shutdown, Service Manager will verify that the last transaction written to the engine matches the last transaction written to Kafka in order to eliminate the need to replay any transactions when the engine starts again.

  • AN-155590 - Medium
    The engine checkpoint script will now return an exit code 1 when a checkpoint fails, instead of always returning 0

  • AN-155700 - Medium
    A graceful shutdown of the Service Manager will now properly complete even if the Service Manager file loggers are experiencing difficulties with disk access.

  • AN-156132 - Medium
    Fixed an issue that incorrectly warned developers that others were editing the same process model.

  • AN-156504 - Medium
    Trailing whitespaces have been removed from the username field on the "Forgot Password" screen to ensure users receive password reset emails.

  • AN-156954 - Medium
    Fixed an issue where screen readers did not announce the label in picker fields if the number of selections already reached the maximum.

  • AN-156996 - Medium
    The Start Rule Tests smart services now correctly handle test inputs that reference load variables.

  • AN-157225 - Medium
    The Start Rule Tests smart services now retrieve the most recent version of data types used by test inputs.

  • AN-157619 - Medium
    File upload components now validate against adding empty files.

  • AN-157633 - Medium
    Record action dialogs now only show the 'X' to close the dialog on start forms.

  • AN-157650 - Medium
    Site record links are now supported by the Appian for Mobile Devices application. Links to Site records, when invoked on a mobile device, will open in the Appian application if one exists.

  • AN-151100 - Low
    Service manager metrics logs will now record an error message in the service manager log if the logging process fails due to an exception.

  • AN-153843 - Low
    The Rule Inputs and Local Variables panes in the Interface Designer now resize correctly when expanding and collapsing a row.

  • AN-155339 - Low
    It is now possible to successfully run the Engine Restart Script without any additional configuration.

  • AN-156955 - Low
    In the deployments view, direct deployments with multiple database scripts will now always display the scripts in the correct order of execution.


Perform the following steps to apply the hotfix:

  1. Stop Appian. See Starting and Stopping Appian for detailed instructions:
    1. Shut down the application server.
    2. Shut down the search server.
    3. Shut down the data server.
    4. Shutdown all Appian Engines, ensuring that the engines are checkpointed upon shutdown.
  2. Back up your existing Appian instance. See Backing Up Your Existing Appian Instance for instructions.
  3. Unzip the contents of the archive into your <APPIAN_HOME> directory.
  4. Run the deleteFiles script (deleteFiles.bat on Windows, on Linux) that is now located in your <APPIAN_HOME> directory.
    • If the script reports that some files were not deleted, address the reason for the failure (common causes listed below), and run it again until it no longer reports failed deletions.
    • Common causes of failed file deletion include:
    • The file is open in another window or process
    • The file is locked
    • You do not have permission to delete the file
  5. Unzip the contents of the archive that is now located your <APPIAN_HOME> directory.
  6. Run the installJdk script (installJdk.bat on Windows, on Linux).
  7. If you maintain customized or overridden Spring Security .xml files, merge them with the associated base files in the /deployment/web.war/WEB-INF/conf/security/ directory.
  8. Delete the deleteFiles scripts, the installJdk scripts, the OpenJDK .tar.gz and .zip files, and
  9. If you are using a Web server, copy the content of <APPIAN_HOME>/deployment/web.war to the folder where the Web server is getting the static resources. See Copy Static Resources to the Web Server for more information.
  10. Run the configure script to deploy your environment's configuration and re-configure any node names previously set by the configure script tools.
  11. Start Appian:
    1. Start the Appian Engines.
    2. Start the data server.
    3. Start the search server.
    4. Start the application server.

To determine if the Appian 20.2 Hotfix is deployed, open the file located in <APPIAN_HOME>/conf/. The contents of this file should match the following code sample:

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