Add migration guide mention

ishymko · ishymko · commit 6ea2ef95f7d8 · 2026-04-20T15:31:36.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## [1.0.0](https://github.com/a2aproject/a2a-python/compare/v1.0.0-alpha.3...v1.0.0) (2026-04-20)
 
+See the [**v0.3 → v1.0 migration guide**](docs/migrations/v1_0/README.md) and changelog entries for alpha versions below.
 
 ### ⚠ BREAKING CHANGES
 

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`2`	`2`
`3`	`3`	`## [1.0.0](https://github.com/a2aproject/a2a-python/compare/v1.0.0-alpha.3...v1.0.0) (2026-04-20)`
`4`	`4`
	`5`	`+See the [v0.3 → v1.0 migration guide](docs/migrations/v1_0/README.md) and changelog entries for alpha versions below.`
`5`	`6`
`6`	`7`	`### ⚠ BREAKING CHANGES`
`7`	`8`