Update books

[rustbot]

rust-lang/book

3 commits in 05d114287b7d6f6c9253d5242540f00fbd6172ab..dd7ab4f4f4541adf4aa2a872cdac06c206b73288
2026-07-10 19:43:43 UTC to 2026-06-29 20:56:02 UTC

• Update to Rust 1.97 (Update to Rust 1.97 book#4799)
• doc: upgrade rand dependency to v0.10.1 in book listings and text (doc: upgrade rand dependency to v0.10.1 in book listings and text book#4756)
• Explicitly state "compilation modes" (Explicitly state "compilation modes" book#3517)

rust-lang/edition-guide

1 commits in c3c0f0b3da26610138b7ba7663f60cd2c68cf184..53686db907c45268d1b323afd9a3545a37abbced
2026-07-10 17:05:04 UTC to 2026-07-10 17:05:04 UTC

• Fix typo of key name resolver.incompatible-rust-versions (Fix typo of key name resolver.incompatible-rust-versions edition-guide#385)

rust-lang/reference

4 commits in 86635e30bf861a038dc197d7e16fd09e7e514e7a..afdc77bab886d4455c11247cdd32391bfab636ae
2026-07-09 16:48:44 UTC to 2026-07-06 14:48:32 UTC

• Fix the tagged-union pattern-matching recommendation (Fix the tagged-union pattern-matching recommendation reference#2303)
• Structs with no fields or all-ZST fields are ZSTs (Structs with no fields or all-ZST fields are ZSTs reference#2262)
• macros.md: fix case (macros.md: fix case reference#2307)
• Bump railroad-dependency (Bump railroad-dependency reference#2305)

rust-lang/rust-by-example

1 commits in d3117f6c873acbbf331c1d510371d061dfcc975c..15308f3e951814ef3475d2b58f48276e6b17b9af
2026-07-06 10:14:39 UTC to 2026-07-06 10:14:39 UTC

• Update Chinese translations in zh.po (Update Chinese translations in zh.po rust-by-example#2025)

[rustbot]

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[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[ehuss]

@bors r+ rollup

[rust-bors]

📌 Commit 5f3f5dd has been approved by ehuss

It is now in the queue for this repository.