Issues

• SPFx solution cannot be built with HEFT tooling Issue similar to previous issue : 9942

  AI-generated responsearea:spfxtype:bug-suspected
  SharePoint/sp-dev-docs#11074 · Filter by author PrasadMadhavan opened on Oct 26, 2026
  1

  

• SPFx 1.24.0-rc.0: on list views the application customizer placeholders are sometimes never defined, and changedEvent never fires

  AI-generated responsearea:spfx-extensionsNeeds: Author Feedbacksharepoint-developer-support
  SharePoint/sp-dev-docs#11070 · Filter by author Remi749 opened on Oct 21, 2026
  2

  

• Brand Center font package falls back to default font after saving another "Change the look" pane in the same page session

  AI-generated responsesharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11069 · Filter by author shauneccles opened on Oct 20, 2026
  2

  

• SPFx 1.24 RC: on modern list pages an extension's hooks sometimes run against the list view host's React ("Cannot read properties of null (reading 'useContext')")

  AI-generated responsesharepoint-developer-support
  SharePoint/sp-dev-docs#11068 · Filter by author Remi749 opened on Oct 20, 2026
  6

  

• Service prioritization for a migration platform: is this the right route, and how does it work?

  AI-generated responsearea:docsarea:migrationsharepoint-developer-support
  SharePoint/sp-dev-docs#11067 · Filter by author Tijn1946 opened on Oct 19, 2026
  4

  

• SPFx Copilot components: tool arguments are put into the PortableComponent.aspx URL; long or non-Latin arguments make the brokered sign-in fail (401 / "non-JSON response") and the card stays blank

  AI-generated responsearea:spfx-copilot-appsNeeds: Author Feedbacksharepoint-developer-support
  SharePoint/sp-dev-docs#11064 · Filter by author StfBauer opened on Oct 17, 2026
  5

  

• [Regression - third occurrence] App-only Sites.FullControl.All writes to TenantWideExtensions fail again across multiple tenants

  AI-generated responseNeeds: Author Feedbacksharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11062 · Filter by author nicolaor opened on Oct 15, 2026
  8

  

• Connect-SPOService fails with "Unable to load DLL 'msalruntime'" in Microsoft.Online.SharePoint.PowerShell 16.0.27709.12000

  AI-generated responsearea:toolingsharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11061 · Filter by author Saurabh7019 opened on Oct 15, 2026
  6

  

• Error on CopilotWorkbench after select Copilot Component to test

  AI-generated responsesharepoint-developer-supporttype:bug-suspected
  SharePoint/sp-dev-docs#11054 · Filter by author joaojmendes opened on Oct 12, 2026
  5

  

• Error on render the Copilot Component on Copilot (web)

  AI-generated responsearea:spfx-copilot-appssharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11045 · Filter by author joaojmendes opened on Oct 2, 2026
  3

  

• [SPFx Copilot Apps] blob_resource content is silently unavailable to Code Interpreter for files larger than 1 KB

  AI-generated responsearea:spfx-copilot-appssharepoint-developer-supporttype:bug-suspected
  SharePoint/sp-dev-docs#11044 · Filter by author tiboldtomi opened on Oct 2, 2026
  3

  

• SharePoint Online Search REST API parameter sortlist is causing an error (again)

  AI-generated responsearea:csom/rest/apiarea:searchtype:bug-suspected
  SharePoint/sp-dev-docs#11043 · Filter by author mcgeeky opened on Oct 2, 2026
  22

  

• Solution with Copilot Component and Webpart with TeamsTab Enabled

  AI-generated responsearea:spfx-copilot-appssharepoint-developer-supportstatus:by-design
  SharePoint/sp-dev-docs#11041 · Filter by author joaojmendes opened on Oct 1, 2026
  4

  

• SharePoint Online Search API sorts Swedish characters å, ä, ö together with a and o instead of after z

  AI-generated responsesharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11039 · Filter by author Mattias-I opened on Sep 29, 2026
  3

  

• [SPFx 1.23.2 / 1.24.0-beta.2] heft test / Jest fails: sp-core-library unconditionally requires unpublished @msinternal/* packages

  AI-generated responsesharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11035 · Filter by author juliemturner opened on Sep 24, 2026
  2

  

• Search: Path:"…*" prefix restriction returns 0 results when the quoted prefix contains "(" or ")"

  AI-generated responsearea:searchsharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11034 · Filter by author Andrewsimmans opened on Sep 24, 2026
  2

  

• Tenant-wide ListViewCommandSet fails to load: listview-host-assembly throws "Cannot destructure property 'id' of 'a' as it is undefined"

  area:spfx-extensionsNeeds: Author Feedbacksharepoint-developer-support
  SharePoint/sp-dev-docs#11031 · Filter by author aizentify opened on Sep 21, 2026
  2

  

• [SPFx 1.23] Sass cannot resolve bare package imports inside dependencies — no loadPaths / importIncludePaths, no workaround (regression from 1.22)

  sharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11030 · Filter by author StfBauer opened on Sep 18, 2026
  3

  

• SharePoint Search API returns inaccurate and inconsistent results count across pages (TotalRows)

  area:csom/rest/apiarea:searchsharepoint-developer-supporttype:bug-suspected
  SharePoint/sp-dev-docs#11029 · Filter by author JulienVLC opened on Sep 16, 2026
  23

  

• Form formatting: a library header resolves almost no tokens (file identity blank, lookup returns raw id;#value, .lookupValue blank, custom date renders Invalid Date)

  area:list-formatting-formsharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11026 · Filter by author shauneccles opened on Sep 13, 2026
  2

  

• SPFx Teams App with more than 2 tabs on iOS Mobile won't load tabs 3+

  area:spfxarea:spfx-msteamssharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11018 · Filter by author juliemturner opened on Sep 1, 2026
  7

  

• SP.Social APIs stopped working recently

  area:csom/rest/apisharepoint-developer-supporttype:bug-confirmed
  SharePoint/sp-dev-docs#11009 · Filter by author bcameron1231 opened on Aug 28, 2026
  3

  

• SPFx Copilot Apps Cache Old Versions of Javascript 24+ hours

  area:spfx-copilot-appstype:bug-confirmed
  SharePoint/sp-dev-docs#11004 · Filter by author SimonDoy opened on Aug 24, 2026
  4

  

• SPFx Form Customizer in Version History

  area:spfx-extensionssharepoint-developer-supporttype:uservoice-request
  SharePoint/sp-dev-docs#11000 · Filter by author chr-sad opened on Aug 21, 2026
  2

  

• filebrowser.aspx (Teams SharePoint list tab) ignores the tenant CSP allow-list, blocking SPFx extensions

  area:spfx-msteamstype:bug-suspected
  SharePoint/sp-dev-docs#10999 · Filter by author MortenGuldbaek opened on Aug 21, 2026
  2