chore(main): release 0.4.0

[ccm32004]

🤖 I have created a release beep boop

0.4.0 (2026-04-23)

Features

• add a working logger sink to kickstart the project (#1) (b3ecf05)
• add configurations and implement simple source (#14) (362ecd8)
• add Pulsar Client and Pulsar Producer Configurations (#6) (664a94b)
• add spring boot to working logger (#2) (783fbba)
• add working sink that can communicate with local Pulsar (#3) (85d97b8)
• automated cicd (#79) (bba5476)
• batch ack (#55) (cb6fa1a)
• benchmarking cicd (#84) (7330b3c)
• change simple source to be a pulsar udsource (#15) (b3e09d5)
• change to send async messages (#11) (0a2b27b)
• cicd checkstyle (#80) (19746e9)
• code coverage (#81) (651209e)
• consumer multi topic support (#58) (5c9f9bc)
• consumer schema validation for avro (#59) (97d782f)
• extract message metadata (#54) (f241404)
• graceful shutdown (#65) (7068099)
• implement batchReceive and PulsarConsumerManager (#18) (2c06f41)
• introduce pulsar admin config (#27) (12ad541)
• k8s secret for pulsar api key (#50) (1548340)
• pending with hardcoded service URL (#26) (697529c)
• producer avro schema validation (#60) (63ab552)
• rm producer topic creation (#56) (247789f)
• rm spring boot (#63) (6f7e427)
• structured logging (#86) (11f46e7)
• support partitioned topics for getPending and getPartitions (#29) (e440f60)
• turn Consumer to be a spring bean (#16) (9395d37)
• use EnvVar and ConfigMap to make pulsar configurable (#4) (c304b3f)
• use pulsar client instead of pulsar template (#5) (36b04e9)

Bug Fixes

• add back configuration properties (MERGE FIRST) (#32) (1b6344d)
• add producerName override (#12) (48f6a0c)
• change subscription default name (#31) (e75f792)

Documentation

• add docs for byte arr consumer (#30) (6cfa90a)
• add docs for byte arr sink (#13) (149a321)
• avro schema validation (#62) (640e6c9)
• docs site setup (#88) (32f0298)
• improve instructions for setting pulsar manager UI (#9) (7c49b84)
• improve local setup documentation (#49) (ba19ac8)
• performance testing (#64) (d3345ef)
• schema validation testing scripts (#61) (b279b08)
• updated docs to work with jwt token auth (#33) (c34e977)
• user guide (#36) (4cbaa28)

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This PR was generated with Release Please. See documentation.

[github-actions]

Code Coverage

Percentage of source code lines executed by unit tests.

Overall Project	82.73%	✅

There is no coverage information present for the Files changed

[github-actions]

Continuous benchmark

Config: batch size = 500

Compared to the latest result on gh-pages (last main run that updated charts). Regression when a metric degrades by more than 2× vs baseline.

Metric	This run	Baseline (main)	Change	Status
Consumer Throughput	33833.33 msgs/sec	42005.56 msgs/sec	-19.5%	OK
Processing Latency (per batch)	14.79 ms	11.91 ms	+24.2%	OK
Read Latency (per batch)	7.22 ms	5.72 ms	+26.2%	OK
Ack Latency (per batch)	0.53 ms	0.48 ms	+10.4%	OK
Consumer CPU	1306 millicores	1443 millicores	-9.5%	✅ Improved
Consumer Memory	364 MiB	356 MiB	+2.2%	OK

Result: No regression beyond the threshold vs main baseline.

Workflow run
· GitHub Pages charts