We are also working to finalize the stabilization of the language features that were developed in 2024H2, as two late-breaking complications arose. The first (an interaction between casting of raw pointers and arbitrary self types) is expected to be resolved by limiting the casts of raw pointers, which previously accepted some surprising code. We identified that only a very small set of crates relied on this bug/misfeature; we expect nonetheless to issue a forwards compatibility warning. We are also resolving an issue where `derive(CoercePointee)` was found to reveal the existence of some unstable impls in the stdlib.
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