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crates.io · #1567 most downloaded on crates.io
Full-featured async (tokio-based) connection pool (like r2d2)
Last release 10 months ago
24 Nov 2025
Ships fairly regularly
a new release about every 7 months
Rarely documented
notes for 5 of 22 stable releases
Nothing withdrawn
no release was ever pulled
8 years old
22 releases · first in 2019
Work on bb8 is currently underfunded. If your employer relies on this project (or any others I maintain) in production, consider sponsoring my work.
Work on bb8 is currently underfunded. If your employer relies on this project (or any others I maintain) in production, consider sponsoring my work.
get_started statistic by @stormshield-fabs in #265bb8-tonic to README.md by @lewiszlw in #266One column per quarter.
bb8 0.9.0 (and bb8-postgres 0.9.0, bb8-redis 0.18.0) adopts RPITIT (first stabilized in Rust 1.75) to drop the dependency on async_trait . This comes
bb8 0.9.0 (and bb8-postgres 0.9.0, bb8-redis 0.18.0) adopts RPITIT (first stabilized in Rust 1.75) to drop the dependency on async_trait. This comes at the cost of raising the MSRV for these new releases to 1.75. If any bugs are found, I will consider releasing 0.8.x upgrades until such time as Tokio bumps its MSRV to 1.75.
Use Relaxed ordering mode by @pfreixes in #210
Pool::add by @tneely in #214Please consider sponsoring ongoing maintenance or contact @djc to discuss commercial support.
Include documentation for Statistics by @pfreixes in #209
Remove dependency on futures-channel in favour of tokio primitives by @aumetra in #191
futures-channel in favour of tokio primitives by @aumetra in #191Nothing published for this version
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