- [#3723](https://github.com/withastro/astro/pull/3723) [`52f75369`](https://github.com/withastro/astro/commit/52f75369efe5a0a1b320478984c90b6727d52159) Thanks [@alextim](https://github.com/alextim)! - fix: if `serialize` function returns `undefined` for the passed entry, such entry will be excluded from sitemap
- [#3689](https://github.com/withastro/astro/pull/3689) [`3f8ee70e`](https://github.com/withastro/astro/commit/3f8ee70e2bc5b49c65a0444d9606232dadbc2fca) Thanks [@bholmesdev](https://github.com/bholmesdev)! - Add warning log for sitemap + SSR adapter, with suggestion to use customPages configuration option
- [#3661](https://github.com/withastro/astro/pull/3661) [`2ff11df4`](https://github.com/withastro/astro/commit/2ff11df438a6a901e72d1f1979c79deb0ad199f2) Thanks [@matthewp](https://github.com/matthewp)! - Fixes the last build
* [#2847](https://github.com/withastro/astro/pull/2847) [`3b621f7a`](https://github.com/withastro/astro/commit/3b621f7a613b45983b090794fa7c015f23ed6140) Thanks [@tony-sull](https://github.com/tony-sull)! - Adds keywords to the official integrations to support discoverability on Astro's Integrations site
- [#2847](https://github.com/withastro/astro/pull/2847) [`3b621f7a`](https://github.com/withastro/astro/commit/3b621f7a613b45983b090794fa7c015f23ed6140) Thanks [@tony-sull](https://github.com/tony-sull)! - Adds keywords to the official integrations to support discoverability on Astro's Integrations site