Oracle APEX 26.1 Known Issues

APEX 26.1 was released on May 14, 2026.

Please review the Release Notes for significant issues known at time of release. Any new significant issues will be added here. This page was last updated on June 15, 2026.

Patch Set Bundle for Oracle APEX 26.1 (39179920)

The Patch Set Bundle for Oracle APEX 26.1 is available for download from My Oracle Support, via the following path: https://support.oracle.com/epmos/faces/PatchDetail?patchId=39179920. Navigate to Patches & Updates and search for patch number 39179920.

This patch may be updated numerous times when new fixes are added to the bundle, and can be reapplied as needed. The patch was last updated on June 15, 2026, and its PATCH_VERSION is 1. When this patch is applied, the APEX product version will be updated to 26.1.1. To verify the version currently installed, in your workspace open the Help > About dialog to inspect the values of Product Build and Patch Version. Alternatively, query the APEX_PATCHES view using the following SQL statement:

select patch_version, installed_on from apex_patches where patch_number = 39179920 order by installed_on;

This cumulative patch includes the following bug fixes, grouped by patch version:

Patch Version: 1
  • 39393807 - APEXLANG IMPORT FAILS FOR WORKFLOWS HAVING PARALLEL FLOW ACTIVITY
  • 39253802 - INTERACTIVE REPORT: GROUP BY AND PIVOT DIALOGS CONTAIN POOR ACC LABELS
  • 39370733 - PAGE DESIGNER: TEMPLATE COMPONENT GROUP ATTRIBUTES NOT VISIBLE
  • 39314519 - REGRESSION : HUMAN TASK CREATION FAILS IF TASK PARAMETER VALUE IS LONGER THAN 255 CHARACTERS
  • 39402028 - INVALID PROPERTY ERROR ON APEXLANG IMPORT WHEN IG COLUMN GROUPS ARE PRESENT IN REGIONS OTHER THAN INTERACTIVE GRID
  • 39335842 - OBJECT BROWSER DATA TAB INSERT ROW FAILS FOR ANY TABLE WITH A CLOB COLUMN
  • 39348655 - OCI GEMINI AI CHAT REQUESTS FAIL WHEN TOOL CALLS ARE PRESENT
  • 39351143 - AI ASSISTANT UI/COLOR ISSUES
  • 39289752 - COPY AND SUBSCRIBE REST DATA SOURCE LEADS TO SUBSCRIPTION STATUS NEEDS REFRESH
  • 39344085 - IMPORTING REST SOURCE CATALOG THROWS UNIQUE CONSTRAINT ERROR (WWV_FLOW_COLLECTIONS_UK), BUT IMPORTS SUCCESSFULLY
  • 39322631 - APEXLANG VIEW IN PAGE DESIGNER FAILS TO SHOW SOME APEXLANG SLOT NAMES
  • 39370209 - Fix for bug 39370209
  • 39377187 - Fix for bug 39377187
  • 39377430 - Fix for bug 39377430
  • 39393826 - WHEN P_INCLUDE_SESSION_STATE IS SET TO 'N' THEN SESSION STATE SHOULD BE CLEARED IN IMPORT
  • 39409232 - FIX FOR BUG 39409232
  • 39411363 - MONACO EDITOR CANNOT LOAD WORKERS VIA CDN
  • 39377463 - Fix for bug 39377463
  • 39390907 - REGRESSION - PAGE DESIGNER: JS ERROR IS THROWN WHEN UPDATING BACKGROUND PAGE PROCESS
  • 39344241 - CORRECT MASTER/DETAIL WIZARD REMEMBER_SELECTION RDS PROPERTY VALUE
  • 39411937 - NEXT LINK IS NOT WORKING ON THE MAIL QUEUE REPORT
  • 39344501 - APEXLANG IMPORT DOES NOT PRESERVE WORKING COPY LINK
  • 39378321 - REGRESSION: ERROR USING MAP LAYER WITH POINT CLUSTERING ENABLED
  • 39288075 - ADMIN DIGEST > SUMMARY DASHBOARD SHOWS 0 COUNTS
  • 39427432 - SQL SCRIPT IMPORT NULLS OUT THE CONTENT AND RAISES ORA-06502 IF EDIT CLICKED
  • 36767291 - SELECT ONE/MANY VALUE HTML EXPR SUBSTS FAIL IF LOV ADDL COL NAMES CLASH W/ CLASSIC REPORT COLS
  • 39383767 - REGRESSION: MAP REGION USING "ICON" STYLE W SUBSTITUTION FOR POINT LAYER FAILS WITH JS ERROR
  • 39377425 - Fix for bug 39377425
  • 39370202 - Fix for bug 39370202
  • 39377223 - Fix for bug 39377223
  • 39368814 - Fix for bug 39368814
  • 39377297 - Fix for bug 39377297
  • 39377263 - Fix for bug 39377263
  • 39377881 - Fix for bug 39377881
  • 39325666 - UNABLE TO SET ROWS PER PAGE FROM ACTION MENU WHEN SET USING AN EARLIER NATURAL LANGUAGE REQUEST
  • 39427696 - REGRESSION: ERROR IMPORTING WORKSPACE FILES EXPORT FROM APEX VERSION BEFORE 26.1
  • 39406656 - Fix for bug 39406656
  • 39420516 - MASTER COMPONENT CHECKSUM NOT CALCULATED ON APP IMPORT
  • 39409312 - Fix for bug 39409312
  • 39359834 - APEXLANG UI IMPORT | DURING IMPORT EXPORTED FROM ORACLE APEX VERSION FIELD HAS NO VALUE
  • 39378662 - Fix for bug 39378662
  • 39385135 - Fix for bug 39385135
  • 39385197 - Fix for bug 39385197
  • 39385277 - Fix for bug 39385277
  • 39409291 - Fix for bug 39409291
  • 39465239 - EXPOSE APEX AUTHENTICATION AS DATA REPORTER AUTHENTICATION SCHEME
  • 39409270 - Fix for bug 39409270
  • 39474195 - APEXLANG EXPORT: F?P URL PARSING MISHANDLES QUOTED UNALIASED SQL COLUMN EXPRESSION WITH COMMAS
  • 39397271 - APEX 26.1 INSTALLATION FAILS ON 19C SE2 DATABASE - ORA-439: FEATURE NOT ENABLED: BASIC COMPRESSION
  • 39359824 - APEXLANG UI IMPORT ERROR - UNABLE TO FIND APEX CONTENT INSTALL.SQL OR APPLICATION.APX

Bugs

  • 39397271 - APEX 26.1 INSTALLATION FAILS ON 19C SE2 DATABASE - ORA-439: FEATURE NOT ENABLED: BASIC COMPRESSION

    Solution: As of May 25th, 14:30pm GMT+1, we re-released APEX 26.1. Please re-download the APEX 26.1 zip and retry the installation.

APEX 26.1 Content Delivery Network (CDN)

  • APEX 26.1 static resources are available on a CDN.
  • The table below provides the CDN URL to use for each Patch Set Bundle for APEX 26.1. Please refer to documentation for instructions to update the CDN.

APEX Patch Set Bundle CDN URL
26.1.0https://static.oracle.com/cdn/apex/26.1.0/
26.1.1https://static.oracle.com/cdn/apex/26.1.1/