Released: Jun 16, 2026

Updates in 2026 Q2 (12.1.26.615)

Fixes

• Report Server:
  • Fixed issue where the "Allow Reading Nested Reports" permission cannot be applied to the Guest user.

Released: May 20, 2026

Updates in 2026 Q2 (12.1.26.520)

Features

• Entity Framework Core Data Source component:
  • Developers can now bind reports directly to Entity Framework Core DbContext models using a dedicated data source component. The new EF Core Data Source is available in the Standalone Report Designer for .NET and the Web Report Designer, with support for design-time data preview, Shared Data Sources, and parameterized queries.
• What's Improved:
  • The Windows distribution of Report Server for .NET is now bundled with Standalone Report Designer for...

Released: Apr 24, 2026

Updates in 2026 Q1 (12.0.26.424)

Features

• MaxiCode (ISO/IEC 16023:2000) barcode encoding and rendering support:
  • MaxiCode (ISO/IEC 16023:2000) is now supported as a 2D barcode type, enabling encoding and rendering of UPS-compatible package labels and other logistics scenarios. The implementation supports all standard MaxiCode modes and is available across all rendering formats.
• What's Improved:
  • The Reporting engine configuration now includes a "verbose" tracing option for investigation and troubleshooting scenarios.

Fixes...

Released: Apr 2, 2026

Updates in 2026 Q1 (12.0.26.402)

Features

• Explicit control over Table of Contents levels for report items
  • Report authors can now explicitly specify the level at which sections, groups, and items appear in the Table of Contents, instead of relying solely on the report hierarchy. This provides greater control over TOC structure and enables consistent, meaningful outlines across reports and report books.
• Secure connectivity between Standalone Report Designer for .NET and Report Server for .NET
  • The Standalone Report Designer for...

Released: Mar 5, 2026

Updates in 2026 Q1 (12.0.26.304)

Features

• Improved: Now navigates back to the Security tab when the "BACK TO CONFIGURATION PAGE" button in "Configure Encryption" view is clicked.

Fixes

• Processing
  • Fixed Unix epoch DateTime format is not resolved correctly.
  • Fixed String parameters containing hyphenated numeric values are resolved as DateTime.
  • Fixed DateTime report parameter using only date part is calculated as one day earlier when the service uses a positive timezone offset.
• Rendering
  • Fixed stretched ellipse shapes do not render...

Released: Feb 11, 2026

Updates in 2026 Q1 (12.0.26.211)

Features

• HtmlTextBox now supports inline images through the "img" tag:
  • The HtmlTextBox report item now allows embedding images directly inside HTML-formatted content using the "img" tag, including support for common attributes and basic styling. This enables seamless inline image rendering across all supported designers and output formats.
• Paged report layout now supports repeatable table group headers/footers:
  • Table, Crosstab, and List items now include a PrintOnEveryPage property that allows...

Released: Jan 21, 2026

Updates in 2025 Q4 (11.3.26.121)

Features

• What's Improved:
  • Enhanced Color Palette Editor consistency across Color, Gradient, and Mono modes.

Fixes

• Object Data Source:
  • Fixed issue where Data Explorer fails to load schema for data sources with multiple parameters.
• Web Designer:
  • Fixed issue where Chart color changes are not reflected at design time.
  • Fixed issue where "Snap to grid lines" option is enabled when the feature is not supported.
• Report Server:
  • Fixed System.IO.FileNotFoundException: Could not load file or assembly...

Released: Nov 19, 2025

Updates in 2025 Q4 (11.3.25.1119)

Fixes

• PDF Rendering:
  • Fixed issue where password-protected documents appear blank on macOS after entering the correct password.
• Preview:
  • Fixed misleading error message 'telerik_ReportViewer is not a function' when the REST service is inaccessible.
  • Fixed issue where an error message is displayed with incorrect color when shown during report loading.
  • Fixed issue where the getReportParameters() function returns undefined and throws an error if a parameter with AllowNull has null as the default value...

Released: Nov 12, 2025

Updates in 2025 Q4 (11.3.25.1111)

Features

• Built-in access token management in Report Server .NET:
  • Users can now generate and manage personal access tokens from the Report Server .NET UI. Tokens inherit user permissions, support expiration and revocation, and integrate with REST API authentication.
• Dedicated Windows installer for Report Server .NET:
  • Report Server for .NET is now installed via a dedicated MSI executable available for download from 'Your Account'. This approach simplifies the setup process and reduces the...

Released: Oct 1, 2025

Updates in 2025 Q3 (11.2.25.1001)

Fixes

• Processing:
  • Using keys with incorrect casing in "device information" object might break the report rendering.
• Server Manager:
  • In the Configuration page when the integration test of the AI Client fails, the long error messages may appear truncated.