docs: add missing release notes (Flutter 9.0.4, RN 6.0.4/6.0.5, .NET 6.0.3, KMP 0.1.2)

[krassx]

These releases are published but had no release-notes entry.

Release	Date	Entry
Flutter 9.0.4	2026-08-18	native SDKs: Android 6.0.4, iOS 6.3.1
React Native 6.0.4	2026-07-31	native SDKs: Android 6.0.4, iOS 6.3.1
React Native 6.0.5	2026-08-18	"Internal improvements"
.NET 6.0.3	2026-08-18	native SDKs: Android 6.0.4, iOS 6.3.1
KMP 0.1.2	2026-08-18	native SDKs: Android 6.0.4, iOS 6.3.1

How these were sourced

None of the wrapper repos record these releases, so the native versions come from the published packages:

• Flutter 9.0.4: podspec/Package.swift pin iOS 6.3.1, build.gradle pins Android 6.0.4 (9.0.3 pinned 6.1.2 / 6.0.2).
• React Native 6.0.4: podspec iOS 6.3.1 (6.0.3: 6.1.2), Android 6.0.4 unchanged.
• .NET 6.0.3: the bundled Android AAR is byte-identical to Maven Central bugsee-android:6.0.4; the iOS binary reports 6.3.1.
• KMP 0.1.2: version-bump commit on the release branch, libs.versions.toml iOS 6.1.3 → 6.3.1, Android 6.0.2 → 6.0.4.

Please check

React Native 6.0.5 differs from 6.0.4 only in package.json and src/version.js (version and build id), so I wrote "Internal improvements." If something user-visible shipped in it, correct that line.

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ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: 6b865256-6d54-45ed-9b95-00e45af4b87c

📥 Commits

Reviewing files that changed from the base of the PR and between 72878ea and 7c29e49.

📒 Files selected for processing: 4

• docs/sdk/dotnet/release-notes.md
• docs/sdk/flutter/release-notes.md
• docs/sdk/kmp/release-notes.md
• docs/sdk/react_native/release-notes.md

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📝 Summary

Summary by CodeRabbit

• Documentation
  • Added release notes for .NET SDK 6.0.3, Flutter SDK 9.0.4, and KMP SDK 0.1.2, dated August 18, 2026. These releases include Android SDK 6.0.4 and iOS SDK 6.3.1.
  • Added React Native SDK release notes for versions 6.0.5 (August 18, 2026) and 6.0.4 (July 31, 2026). Version 6.0.4 includes Android SDK 6.0.4 and iOS SDK 6.3.1; version 6.0.5 notes improvements.

Release notes were added for .NET 6.0.3, Flutter 9.0.4, and KMP 0.1.2. Each entry is dated August 18, 2026, and records Android 6.0.4 and iOS 6.3.1 updates. React Native release notes now include versions 6.0.5 and 6.0.4, with their dates and change descriptions.

Priority: ⬇️ Low

Change: Other

Merge Risk: ⚪ Minimal · up to 7c29e

The release notes identify the documented native SDK versions, and the available 6.0.5 comparison shows no user-visible package change. No concrete release-note risk remains for merging.

### Architecture Summary

Architecture risk: 🔵 Low · up to 7c29e

The change affects 1 system.

Changed systems: docs

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — docs (service) was modified; 4 changed files map to changed impact.

Before / after behavior

• observed — Modified behavior in docs/sdk/dotnet/release-notes.md: Added the 6.0.3 release entry dated August 18, 2026, documenting the Android 6.0.4 and iOS 6.3.1 native SDK updates.
• observed — Modified behavior in docs/sdk/flutter/release-notes.md: Adds the 9.0.4 release entry, dated August 18, 2026, and records the Android 6.0.4 and iOS 6.3.1 native SDK updates.
• observed — Modified behavior in docs/sdk/kmp/release-notes.md: Added the 0.1.2 release entry, dated August 18, 2026, recording the Android 6.0.4 and iOS 6.3.1 native SDK updates.
• observed — Modified behavior in docs/sdk/react_native/release-notes.md: Added release notes for versions 6.0.5 and 6.0.4, including their release dates and respective change descriptions.

Pre-merge checks: 5

Check name	Status	Explanation
Title check		The title clearly identifies the missing release notes and lists the affected SDK versions.
Description check		The description directly explains the missing release-note entries, their source, and the proposed content for each release.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (4 skipped: 4 unsupported.)

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Review of PR #99: missing release notes

No blocking issues. I found no real bugs, so I posted no inline comments.

What I checked

• Cross-reference anchors: Every link resolves to an existing heading. #604-june-22-2026 matches ## 6.0.4 (June 22 2026) in docs/sdk/android/v6/release-notes.md. #631-july-31-2026 matches ## 6.3.1 (July 31 2026) in docs/sdk/ios/release-notes.md.
• Entry format: Each new entry matches the existing entries in its own file. The "Feat: Updated native SDKs…" wording is the same. The date style is unchanged: August 18 2026 in dotnet, flutter and react_native, and August 18, 2026 in kmp.
• Order: Entries are newest first, and version numbers and dates are consistent with the neighbouring entries.
• Spell check: I ran cspell on the four changed files and it reported 0 issues. I did not run the full docs spell check or a site build.

Items I couldn't verify

• React Native 6.0.5, "Internal improvements." I can't verify this from the repo. The PR description already flags it. The claim that 6.0.5 differs from 6.0.4 only in package.json and src/version.js comes from the author's package comparison, not from anything in this checkout. If anything user-visible shipped in 6.0.5, correct that line before merging.
• Native SDK versions and dates. These come from the published packages, as the PR description explains. I didn't re-check them against the registries. They are consistent with the existing 6.0.4 and 6.3.1 entries in the Android and iOS notes.

Minor, no change needed: The React Native 6.0.4 entry lists Android 6.0.4, which 6.0.3 already shipped. Listing both native versions matches how 6.0.3 was written, so it is fine.

1. Overall risk: Low. Docs-only change.
2. Merge recommendation: Approve once the 6.0.5 line is confirmed.
3. Most important item: Confirm that React Native 6.0.5 has no user-visible changes.
4. Positives: The PR documents how each native version was sourced. The links resolve. It is consistent with the existing entries.