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Merged
threecgreen merged 2 commits into from
Jan 21, 2026
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VER: Release 0.39.0 #75

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be37539
DOC: Update heartbeat interval docs
robertmaierle Jan 7, 2026
7b1c00b
VER: Release 0.39.0
threecgreen Jan 20, 2026
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17 changes: 15 additions & 2 deletions CHANGELOG.md
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@@ -1,5 +1,18 @@
# Changelog

## 0.39.0 - 2026-01-20

### Enhancements
- Upgraded DBN version to 0.47.0:
- Added new off-market publisher for Cboe Futures Exchange (`XCBF_PITCH_XOFF`)
- Added new `StatType` variants to be used by `XCBF.PITCH` dataset:
- `UpperPriceLimit`
- `LowerPriceLimit`
- `BlockVolume`
- `VenueSpecificVolume1`
- Upgraded `time` version to 0.3.45
- Improved documentation of heartbeat intervals

## 0.38.0 - 2025-12-16

### Breaking changes
Expand Down Expand Up @@ -605,8 +618,8 @@ upgrading data to version 3.
## 0.7.0 - 2024-03-01

#### Enhancements
- Document cancellation safety of `LiveClient` methods (credit: @yongqli)
- Document `live::Subscription::start` is based on `ts_event`
- Documented cancellation safety of `LiveClient` methods (credit: @yongqli)
- Documented `live::Subscription::start` is based on `ts_event`
- Allow constructing a `DateRange` and `DateTimeRange` with an `end` based on a
`time::Duration`
- Implemented `Debug` for `LiveClient`, `live::ClientBuilder`, `HistoricalClient`,
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4 changes: 2 additions & 2 deletions Cargo.toml
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@@ -1,7 +1,7 @@
[package]
name = "databento"
authors = ["Databento <support@databento.com>"]
version = "0.38.0"
version = "0.39.0"
edition = "2021"
repository = "https://github.com/databento/databento-rs"
description = "Official Databento client library"
Expand Down Expand Up @@ -33,7 +33,7 @@ live = ["tokio/net"]
chrono = ["dep:chrono"]

[dependencies]
dbn = { version = "0.45.0", features = ["async", "serde"] }
dbn = { version = "0.47.0", features = ["async", "serde"] }

async-compression = { version = "0.4", features = ["tokio", "zstd"], optional = true }
chrono = { version = ">=0.4.34", optional = true, default-features = false, features = ["alloc"] }
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3 changes: 2 additions & 1 deletion src/live.rs
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Expand Up @@ -97,7 +97,8 @@ impl<AK, D> ClientBuilder<AK, D> {

/// Sets `heartbeat_interval`, which controls the interval at which the gateway
/// will send heartbeat records if no other data records are sent. If no heartbeat
/// interval is configured, the gateway default will be used.
/// interval is configured, the gateway default will be used. Minimum interval
/// is 5 seconds.
///
/// Note that granularity of less than a second is not supported and will be
/// ignored.
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