Feat(Capcitor): Add Capacitor v3 migration guide

[lucas-zimerman]

DESCRIBE YOUR PR

This PR adds a migration guide to Capacitor V3.
It also adds a description to a new integration for spotlight.

IS YOUR CHANGE URGENT?

Help us prioritize incoming PRs by letting us know when the change needs to go live.

• Urgent deadline (GA date, etc.):
• Other deadline:
• None: Not urgent, can wait up to 1 week+

SLA

• Teamwork makes the dream work, so please add a reviewer to your PRs.
• Please give the docs team up to 1 week to review your PR unless you've added an urgent due date to it.
  Thanks in advance for your help!

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

LEGAL BOILERPLATE

EXTRA RESOURCES

• Sentry Docs contributor guide

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
sentry-docs	Ready	Preview	Comment	Dec 6, 2025 1:30pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ignored			Dec 6, 2025 1:30pm

[codecov]

Bundle Report

Changes will increase total bundle size by 58.87kB (0.17%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	24.66MB	58.88kB (0.24%) ⬆️
sentry-docs-client-array-push	10.23MB	-6 bytes (-0.0%) ⬇️

Affected Assets, Files, and Routes:

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	437.05kB	-0.0%
static/QTAKsCZCdZpy4JsINZB9n/_buildManifest.js (New)	684 bytes	684 bytes	100.0% 🚀
static/QTAKsCZCdZpy4JsINZB9n/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/YJ_SXWDEoW3f4V5Tv3QQd/_buildManifest.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/YJ_SXWDEoW3f4V5Tv3QQd/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

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

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	5.46MB	-0.0%
6529.js	-3 bytes	4.88MB	-0.0%
../instrumentation.js	-3 bytes	4.78MB	-0.0%
../app/[[...path]]/page.js.nft.json	19.63kB	1.06MB	1.89%
../app/platform-redirect/page.js.nft.json	19.63kB	1.06MB	1.89%
../app/sitemap.xml/route.js.nft.json	19.63kB	1.05MB	1.9%