Updated .net migratation guide for the v6 release

[jamescrosswell]

DESCRIBE YOUR PR

Resolves getsentry/sentry-dotnet#4609

IS YOUR CHANGE URGENT?

• [ x ] Other deadline: Needs to happen with the version 6 release

PRE-MERGE CHECKLIST

Make sure you've checked the following before merging your changes:

• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
sentry-docs	Ready	Preview	Comment	Dec 10, 2025 11:44pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ignored	Preview		Dec 10, 2025 11:44pm

[codecov]

Bundle Report

Changes will increase total bundle size by 200.78kB (0.58%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	24.46MB	200.78kB (0.83%) ⬆️
sentry-docs-client-array-push	10.22MB	-6 bytes (-0.0%) ⬇️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	39.49kB	5.5MB	0.72%
6529.js	39.48kB	4.92MB	0.81%
../instrumentation.js	39.51kB	4.82MB	0.83%
../app/[[...path]]/page.js.nft.json	27.43kB	950.14kB	2.97%
../app/platform-redirect/page.js.nft.json	27.43kB	950.05kB	2.97%
../app/sitemap.xml/route.js.nft.json	27.43kB	947.58kB	2.98%

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	893.1kB	-0.0%
static/chunks/9366-*.js	-3 bytes	436.99kB	-0.0%
static/OjulbVPfbbwiw1kR4DOVT/_buildManifest.js (New)	684 bytes	684 bytes	100.0% 🚀
static/OjulbVPfbbwiw1kR4DOVT/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/s-*.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/s-*.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️