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Changes related to v2.5.3rc1 (confluentinc#1807)
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‎.semaphore/semaphore.yml

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global_job_config:
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env_vars:
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- name: LIBRDKAFKA_VERSION
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value: v2.5.0
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value: v2.5.3-RC1
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prologue:
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commands:
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- checkout

‎CHANGELOG.md

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# Confluent's Python client for Apache Kafka
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## v2.5.3
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v2.5.3 is a maintenance release with the following fixes and enhancements:
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### Fixes
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* Fix an assert being triggered during push telemetry call when no metrics matched on the client side.
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confluent-kafka-python is based on librdkafka v2.5.3, see the
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[librdkafka release notes](https://github.com/edenhill/librdkafka/releases/tag/v2.5.3)
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for a complete list of changes, enhancements, fixes and upgrade considerations.
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## v2.5.0
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> [!WARNING]
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This version has introduced a regression in which an assert is triggered during **PushTelemetry** call. This happens when no metric is matched on the client side among those requested by broker subscription.
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>
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> You won't face any problem if:
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> * Broker doesn't support [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability).
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> * [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability) feature is disabled on the broker side.
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> * [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability) feature is disabled on the client side. This is enabled by default. Set configuration `enable.metrics.push` to `false`.
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> * If [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability) is enabled on the broker side and there is no subscription configured there.
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> * If [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability) is enabled on the broker side with subscriptions that match the [KIP-714](https://cwiki.apache.org/confluence/display/KAFKA/KIP-714%3A+Client+metrics+and+observability) metrics defined on the client.
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>
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> Having said this, we strongly recommend using `v2.5.3` and above to not face this regression at all.
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v2.5.0 is a feature release with the following features, fixes and enhancements:
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- [KIP-107](https://cwiki.apache.org/confluence/display/KAFKA/KIP-107%3A+Add+deleteRecordsBefore%28%29+API+in+AdminClient) Added delete_records API. (#1710)

‎docs/conf.py

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# built documents.
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#
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# The short X.Y version.
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version = '2.5.0'
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version = '2.5.3rc1'
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# The full version, including alpha/beta/rc tags.
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release = version
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######################################################################

‎examples/docker/Dockerfile.alpine

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COPY . /usr/src/confluent-kafka-python
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ENV LIBRDKAFKA_VERSION v2.5.0
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ENV LIBRDKAFKA_VERSION v2.5.3-RC1
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ENV KAFKACAT_VERSION master
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‎setup.py

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setup(name='confluent-kafka',
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# Make sure to bump CFL_VERSION* in confluent_kafka/src/confluent_kafka.h
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# and version in docs/conf.py.
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version='2.5.0',
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version='2.5.3rc1',
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description='Confluent\'s Python client for Apache Kafka',
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author='Confluent Inc',
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author_email='support@confluent.io',

‎src/confluent_kafka/src/confluent_kafka.h

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* 0xMMmmRRPP
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* MM=major, mm=minor, RR=revision, PP=patchlevel (not used)
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*/
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#define CFL_VERSION 0x02050000
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#define CFL_VERSION_STR "2.5.0"
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#define CFL_VERSION 0x02050300
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#define CFL_VERSION_STR "2.5.3rc1"
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/**
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* Minimum required librdkafka version. This is checked both during
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* build-time (just below) and runtime (see confluent_kafka.c).
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* Make sure to keep the MIN_RD_KAFKA_VERSION, MIN_VER_ERRSTR and #error
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* defines and strings in sync.
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*/
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#define MIN_RD_KAFKA_VERSION 0x020500ff
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#define MIN_RD_KAFKA_VERSION 0x020503ff
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#ifdef __APPLE__
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#define MIN_VER_ERRSTR "confluent-kafka-python requires librdkafka v2.5.0 or later. Install the latest version of librdkafka from Homebrew by running `brew install librdkafka` or `brew upgrade librdkafka`"
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#define MIN_VER_ERRSTR "confluent-kafka-python requires librdkafka v2.5.3 or later. Install the latest version of librdkafka from Homebrew by running `brew install librdkafka` or `brew upgrade librdkafka`"
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#else
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#define MIN_VER_ERRSTR "confluent-kafka-python requires librdkafka v2.5.0 or later. Install the latest version of librdkafka from the Confluent repositories, see http://docs.confluent.io/current/installation.html"
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#define MIN_VER_ERRSTR "confluent-kafka-python requires librdkafka v2.5.3 or later. Install the latest version of librdkafka from the Confluent repositories, see http://docs.confluent.io/current/installation.html"
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#endif
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#if RD_KAFKA_VERSION < MIN_RD_KAFKA_VERSION
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#ifdef __APPLE__
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#error "confluent-kafka-python requires librdkafka v2.5.0 or later. Install the latest version of librdkafka from Homebrew by running `brew install librdkafka` or `brew upgrade librdkafka`"
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#error "confluent-kafka-python requires librdkafka v2.5.3 or later. Install the latest version of librdkafka from Homebrew by running `brew install librdkafka` or `brew upgrade librdkafka`"
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#else
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#error "confluent-kafka-python requires librdkafka v2.5.0 or later. Install the latest version of librdkafka from the Confluent repositories, see http://docs.confluent.io/current/installation.html"
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#error "confluent-kafka-python requires librdkafka v2.5.3 or later. Install the latest version of librdkafka from the Confluent repositories, see http://docs.confluent.io/current/installation.html"
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#endif
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#endif
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