1.45.0 pre-release testing

The 1.45.0 pre-release is ready for testing. The release is scheduled for this Thursday, the 16th. Release notes can be found here: https://github.com/rust-lang/rust/blob/stable/RELEASES.md.

You can try it out locally with:

RUSTUP_DIST_SERVER=https://dev-static.rust-lang.org rustup update stable

The index is https://dev-static.rust-lang.org/dist/2020-07-13/index.html.


just to point to downstream that firefox78 could have some issues with rustc 1.45.0 : #1640982 - rust 1.45 error: options -C embed-bitcode=no and -C lto are incompatible


This comment intended that lto/embed-bitcode issue to get a compatibility note, but it seems to have been forgotten. Is it too late to add that?

edit: see https://github.com/rust-lang/rust/pull/74374

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