[net10.0] Merge main into net10.0.#23836

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dalexsoto merged 10 commits intonet10.0from

dev/rolf/bump-main-in-net10.0-2025-09-17

Sep 18, 2025

Commits on Sep 15, 2025

[RGgen] Provide helper methods for the transformer stream writer.
mandel-macaque
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Commits on Sep 17, 2025

[tests] Update certificate for certificate tests. (#23831)
rolfbjarne
authored
[Foundation] Avoid calling ToString more than once on headers and their values. (#23825)
rolfbjarne
authored
[net10.0] Merge main into net10.0.
rolfbjarne
committed