Upgrade to Java 21 and Spring Boot 3.5.16, with tests, CI and Java 21 modernization - #69

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devin-ai-integration[bot] wants to merge 12 commits into

devin/1786033413-java21-boot3-base

Commits on Aug 6, 2026

feature: upgrade to Java 21 and Spring Boot 3.5.16

devin-ai-integration[bot]
and
alexvyshetsky-afk
committed
0a3ecc6
feature: add GitHub Actions CI running ./mvnw clean verify on JDK 21

devin-ai-integration[bot]
and
alexvyshetsky-afk
committed
e764415
feature: enable virtual threads, migrate RestTemplate to RestClient, drop stray root properties file

devin-ai-integration[bot]
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alexvyshetsky-afk
committed
a22bce2
feature: convert models to Java records and modernize topic service/controller

devin-ai-integration[bot]
and
alexvyshetsky-afk
committed
466b6e3
feature: modernize controllers with text blocks and refresh README for Java 21

devin-ai-integration[bot]
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alexvyshetsky-afk
committed
f03dc37
feature: add JUnit 5 test suite covering context load, all endpoints, TopicService and TimeClient

devin-ai-integration[bot]
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alexvyshetsky-afk
committed
53bf764
feature: integrate devin/1786033695-records-service
devin-ai-integration[bot]
committed
cbcfdf7
feature: integrate devin/1786033685-runtime-config-restclient
devin-ai-integration[bot]
committed
1bc25da
feature: integrate devin/1786033698-presentation-modernization
devin-ai-integration[bot]
committed
2606361
feature: integrate devin/1786033690-test-suite
devin-ai-integration[bot]
committed
2c8283c
feature: reconcile tests with the records, 404 and RestClient changes

devin-ai-integration[bot]
and
alexvyshetsky-afk
committed
8e50a08
bug: make CI runnable without marketplace actions

devin-ai-integration[bot]
and
alexvyshetsky-afk
committed
a420508