2.12.0rc2 #2086

emasab · 2025-10-06T13:25:14Z

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Contains customer facing changes? Including API/behavior changes
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confluent-cla-assistant · 2025-10-06T13:25:26Z

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Pull Request Overview

This pull request updates the confluent-kafka-python version from 2.12.0b1 to 2.12.0rc2 and updates the minimum required librdkafka version from 2.11.1 to 2.12.0.

Updates version strings and constants for the 2.12.0rc2 release candidate
Bumps minimum librdkafka dependency to v2.12.0
Updates test configurations and Docker environments to use the new librdkafka version

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/confluent_kafka/src/confluent_kafka.h	Updates version string to 2.12.0rc2 and minimum librdkafka version requirement
tests/soak/setup_all_versions.py	Updates Python version in test configuration from 2.11.0 to 2.11.1
examples/docker/Dockerfile.alpine	Updates librdkafka version environment variable to v2.12.0-RC2
CHANGELOG.md	Adds release notes for v2.12.0 with librdkafka dependency information
.semaphore/semaphore.yml	Updates CI environment to use librdkafka v2.12.0-RC2

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Copilot · 2025-10-06T13:25:52Z

src/confluent_kafka/src/confluent_kafka.h

 * defines and strings in sync.
 */
-#define MIN_RD_KAFKA_VERSION 0x020b01ff
+#define MIN_RD_KAFKA_VERSION 0x020c00ff


The hexadecimal version value 0x020c00ff appears to represent version 2.12.0.255, but librdkafka v2.12.0-RC2 would typically have a different version encoding. Verify this hex value correctly represents v2.12.0-RC2 or if it should be adjusted for the release candidate.

Suggested change

#define MIN_RD_KAFKA_VERSION 0x020c00ff

#define MIN_RD_KAFKA_VERSION 0x020c0002

Copilot · 2025-10-06T13:25:52Z

examples/docker/Dockerfile.alpine

 COPY . /usr/src/confluent-kafka-python

-ENV LIBRDKAFKA_VERSION="v2.11.1"
+ENV LIBRDKAFKA_VERSION="v2.12.0-RC2"


The librdkafka version format 'v2.12.0-RC2' may not match the actual git tag or release naming convention used by librdkafka. Verify that this exact version string exists in the librdkafka repository.

Suggested change

ENV LIBRDKAFKA_VERSION="v2.12.0-RC2"

ENV LIBRDKAFKA_VERSION="v2.12.0"

pranavrth

Add version information to

pyproject.toml
docs/conf.py

pranavrth · 2025-10-06T13:42:29Z

CHANGELOG.md

@@ -1,7 +1,9 @@
 # Confluent Python Client for Apache Kafka - CHANGELOG

 ## Unreleased


Let's remove this later in the final version.

pranavrth · 2025-10-06T13:43:12Z

CHANGELOG.md

+
 ### Added

 - AsyncIO Producer (experimental): Introduces `confluent_kafka.aio.AIOProducer` for


We need to add GA for KIP-848 as well. Let's do that in the final version as well.

pranavrth · 2025-10-06T13:46:43Z

tests/soak/setup_all_versions.py

 PYTHON_VERSIONS = [
    # '2.12.0',
-    '2.11.0',
+    '2.11.1',


Update RELEASE.md with the information to update version here as well.

pranavrth

LGTM!

MSeal · 2025-10-06T16:59:47Z

From comments today, let's get the AIO change moved to an experiemental module / docs updated for the RC release. I'll get that PR up today

emasab · 2025-10-07T10:48:11Z

@MSeal yes we're first merging this PR to finish the librdkafka release validation then you can create a new RC, together we validate it, and lastly the final Python client release.

pranavrth

LGTM!.

pranavrth

LGTM!

sonarqube-confluent · 2025-10-08T14:59:03Z

Analysis Details

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No duplication information (4.90% Estimated after merge)

Project ID: confluent-kafka-python

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emasab requested review from MSeal and a team as code owners October 6, 2025 13:25

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airlock-confluentinc bot force-pushed the dev_2.12.0rc2 branch from 131e86f to f1134dc Compare October 6, 2025 14:41

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emasab enabled auto-merge (squash) October 7, 2025 07:03

airlock-confluentinc bot force-pushed the dev_2.12.0rc2 branch from 16c447a to 23fc8f2 Compare October 7, 2025 10:46

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emasab added 3 commits October 8, 2025 12:59

2.12.0rc2

f2291ec

Add instructions to update the soak test setup script

988999a

2.12.0rc2 in pyproject.toml

77162fb

Cache trivup

a0d3311

airlock-confluentinc bot force-pushed the dev_2.12.0rc2 branch from 4be0cda to a0d3311 Compare October 8, 2025 11:00

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emasab merged commit 48ad122 into master Oct 8, 2025
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emasab deleted the dev_2.12.0rc2 branch October 8, 2025 11:13

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	#define MIN_RD_KAFKA_VERSION 0x020c00ff
	#define MIN_RD_KAFKA_VERSION 0x020c0002

	ENV LIBRDKAFKA_VERSION="v2.12.0-RC2"
	ENV LIBRDKAFKA_VERSION="v2.12.0"

		@@ -1,7 +1,9 @@
		# Confluent Python Client for Apache Kafka - CHANGELOG

		## Unreleased


		### Added

		- AsyncIO Producer (experimental): Introduces `confluent_kafka.aio.AIOProducer` for

2.12.0rc2 #2086

2.12.0rc2 #2086

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emasab commented Oct 6, 2025

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sonarqube-confluent bot commented Oct 8, 2025

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emasab commented Oct 7, 2025 •

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