Looking at the upstream changelog the only breaking change
is that rdeps that use default-features=false may need
to add the std feature.
Very preliminary rdep analsiss (looking only
at the version used by upstream git).
fontship - upstream still on 0.15
git-delta - upstream still on 0.15
python-maturin - upstream has updated to 0.16
rust-bat - upstream has updated to 0.16
rust-better-panic - upstream still on 0.15
rust-cargo-mutants - upstream still on 0.15
rust-comfy-table - upstream has updated to 0.16
rust-cid-npm - false positive
rust-console-error-panic-hook - false positive
rust-console-log - false positive
rust-dialoguer - upstream has updated to 0.16
rust-expectorate - upstream has updated to 0.16
rust-indicatif - upstream has updated to 0.16
rust-inquest - upstream supports both 0.15 and 0.16
rust-inquire - upstream has updated to 0.16
rust-insta - upstream has updated to 0.16
rust-magic-wormhole-cli - upstream has updated to 0.16
rust-procs - upstream has updated to 0.16
rust-progpick - upstream has updated to 0.16
rust-rav1e - upstream still on 0.15
rust-similar-asserts - upstream has updated to 0.16
rust-stakeholder - upstream still on 0.15
rust-viuer - upstream has updated to 0,16
uv - upstream has updated to 0.16
so 6 still on 0.15 vs 14 on 0.16 and one sitting on the fence.
seems like a clear majority have moved upstream.
I've gone ahead and updated the new version to experimental,
I'll hopefully start going through the rdeps soon.