---
id: change/bcapps/11137
type: change
title: "#11137 Composite Report Parts: seed via a report extension instead of install/upgrade code"
summary: The 14 shipped header/footer designs and report themes are now registered through a declarative Composite Layout report extension on Tenant Report Defaults instead of install/upgrade seeding code. The seeding codeunits, upgrade tag and SeedPart tests were removed, which also removes the elevated write path.
tier: official
language: en
tags:
  - refactor
  - main
  - bc30
  - codeunit upgrade tag definitions
  - codeunit baseapp install
  - reportextension composite layout
system: platform
review:
  state: reviewed
  by: opus
  at: "2026-10-08T02:05:14.057Z"
  flags: []
generated:
  at: "2026-10-08T01:26:53.141Z"
  pipeline: 0.2.0
  prompts:
    extract-change: 1
  input_hash: bf484e5871efbec79df725f7f91ca7b920b1230e
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/pull/11137
    title: "microsoft/BCApps#11137: Composite Report Parts: seed via a report extension instead of install/upgrade code"
    date: "2026-09-15"
    commit: bf484e5871efbec79df725f7f91ca7b920b1230e
    t: null
    quote: null
links:
  learn: []
  objects:
    - object/codeunit/9998
    - object/codeunit/5000
    - object/reportextension/9666
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
  changes: []
number: 11137
repo: microsoft/BCApps
source_id: bcapps-prs
url: https://github.com/microsoft/BCApps/pull/11137
kind: pr
base_branch: main
major: "30"
merged_at: "2026-09-15T07:58:40Z"
author: MSlenejennum
author_type: User
community_contribution: false
labels:
  - "Team: Integrations"
change_class: code
change_kind: refactor
behavior_change: true
breaking: false
files:
  count: 35
  additions: 139
  deletions: 869
  al: 8
apps:
  - Base Application
objects_touched:
  - key: codeunit/9998
    page: codeunit/9998
    type: codeunit
    id: 9998
    name: Upgrade Tag Definitions
    app: Base Application
    status: modified
  - key: codeunit/5000
    page: codeunit/5000
    type: codeunit
    id: 5000
    name: BaseApp Install
    app: Base Application
    status: modified
  - key: reportextension/9666
    page: reportextension/9666
    type: reportextension
    id: 9666
    name: Composite Layout
    app: Base Application
    status: added
objects_unjoined:
  - path: src/Layers/W1/BaseApp/Foundation/Reporting/CompositeReportPartsMgt.Codeunit.al
    status: removed
    reason: removed
  - path: src/Layers/W1/BaseApp/OtherCapabilities/Upgrade/UpgradeCompositeReportParts.Codeunit.al
    status: removed
    reason: removed
obsoletions: []
backports:
  - number: 11128
    base: releases/29.x
    url: https://github.com/microsoft/BCApps/pull/11128
fixes_issues: []
work_items:
  - 649359
systems:
  - platform
  - development
quote: null
joined_against:
  major: "30"
  commit: ecbc028c25dbe83b61313bc566e6c1d41184bb1c
---

# #11137 Composite Report Parts: seed via a report extension instead of install/upgrade code

> The 14 shipped header/footer designs and report themes are now registered through a declarative Composite Layout report extension on Tenant Report Defaults instead of install/upgrade seeding code. The seeding codeunits, upgrade tag and SeedPart tests were removed, which also removes the elevated write path.

[Pull request](https://github.com/microsoft/BCApps/pull/11137) · merged into `main` (BC30) on 2026-09-15 by MSlenejennum · 35 files (+139 -869), 8 AL · refactor · tier official · reviewed (checked by Opus)

## What changed

- Report extension replaces SeedPart-based install/upgrade code for seeding header/footer designs and themes
- Removes Composite Report Parts Mgt. codeunit, upgrade logic, and associated test suite
- Report part resources moved from .resources to Foundation/Reporting directory
- Platform now owns registering report extension layouts natively
- Eliminates permission-elevation issues from the previous approach
- Behaviour changes for users or extensions.

## AL objects touched

- [Codeunit 9998 "Upgrade Tag Definitions"](../../objects/codeunit/9998.md), Base Application: modified
- [Codeunit 5000 "BaseApp Install"](../../objects/codeunit/5000.md), Base Application: modified
- [Report extension 9666 "Composite Layout"](../../objects/reportextension/9666.md), Base Application: added
- `src/Layers/W1/BaseApp/Foundation/Reporting/CompositeReportPartsMgt.Codeunit.al`: removed
- `src/Layers/W1/BaseApp/OtherCapabilities/Upgrade/UpgradeCompositeReportParts.Codeunit.al`: removed

## Also merged into

- [#11128](https://github.com/microsoft/BCApps/pull/11128) into `releases/29.x` on 2026-09-22

## Context

- Work items: AB#649359
- Labels: Team: Integrations
- Systems: platform, development

Source: metadata of a merged pull request in microsoft/BCApps (bcapps): title, labels, changed paths and counts, with a summary in our words. No source text and no description beyond one short quote (D10, D61).