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crates.io · #2648 most downloaded on crates.io
runtime library for Cap'n Proto data encoding
Last release 10 days ago
08 Sep 2026
Ships fairly regularly
a new release about every 2 weeks
Nearly every release is documented
notes for 59 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
12 years old
207 releases · first in 2014
Redesign segment arenas to require less unsafe code.
No breaking changes for non-RPC users.
ResultsDoneHook hack.Implement DoubleEndedIter for ListIter.
One column per quarter.
Fix rare case where serialize_packed::read() could fail on valid input.
serialize_packed::read() could fail on valid input.Get message::Builder::get_root_as_reader() to work on empty messages.
message::Builder::get_root_as_reader() to work on empty messages.Implement From for capnp::Error
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