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wire 2026-08-31
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Spring data elasticsearch fixes nanosecond date formatting

By RepoJournal · Filed · About Spring

Stefano Cordio Martin Lippert Peter-Josef Meisch
3 people shipped this
Stefano Cordio @scordio 3 cited Martin Lippert @martinlippert 2 cited Peter-Josef Meisch @sothawo 1 cited

Spring Data Elasticsearch shipped a fix for the formatting of `DateFormat.strict_date_optional_time_nanos` in the last 24 hours.

Spring Data Elasticsearch corrected the formatting of `DateFormat.strict_date_optional_time_nanos` [1], addressing issue #3334 [1]. The change ensures that dates using this format are serialized correctly, which matters for fields that need nanosecond precision. In spring-tools, Martin Lippert added handling for concatenated strings when extracting values from JDT AST nodes [2], improving how the IDE tooling parses string literals. The commit also includes a separate formatting change [3]. Spring Batch Extensions saw housekeeping: removing the unused `archunit-junit5` dependency [4] and bumping `wiremock-spring-boot` from 4.2.0 to 4.2.2 [5]. Additionally, Maven plugins were updated [6]. Overall, the changes are routine dependency updates and small fixes, with the most notable being the date formatting correction.

Action items

References

  1. [1] Fix formatting of DateFormat.strict_date_optional_time_nanos. ↗ spring-projects/spring-data-elasticsearch
  2. [2] GH-1486: deal with concatenated strings when extracting values from JDT AST nodes ↗ spring-projects/spring-tools
  3. [3] formatting ↗ spring-projects/spring-tools
  4. [4] Remove unused `archunit-junit5` ↗ spring-projects/spring-batch-extensions
  5. [5] Bump `wiremock-spring-boot` from 4.2.0 to 4.2.2 ↗ spring-projects/spring-batch-extensions
  6. [6] Update Maven plugins ↗ spring-projects/spring-batch-extensions

$ ls spring-projects/reviews/ # the step-back reads

the week in review Spring WS, Security fixes; Boot reactive backoff the month in review Spring standardizes release trains while security patches and batch fixes surface
Topics: Java Full archive →

Quick answers

What shipped in Spring on August 31, 2026?
Spring Data Elasticsearch shipped a fix for the formatting of `DateFormat.strict_date_optional_time_nanos` in the last 24 hours. In total, 6 commits and 1 pull requests landed.
Who contributed to Spring on August 31, 2026?
3 developers shipped this update, including Martin Lippert, Stefano Cordio, and Peter-Josef Meisch.
What were the notable Spring updates?
Fix formatting of DateFormat.strict_date_optional_time_nanos, GH-1486: deal with concatenated strings when extracting values from JDT AST nodes, and formatting.
♥

$ log @spring-projects --recent

Spring Kafka fixes multi-value header loss with JSON types 3 shipped Spring Framework fixes duplicate key code lookup 10 shipped Spring Boot reactive resource server backs off with custom security 56 shipped AMQP channel exhaustion and frame_max fixes, security race condition closed 53 shipped

$ log --all # elsewhere on the wire

Meta React Native adds Stable API guards to renderer attributed string FastAPI & Pydantic Pydantic fixes Mypy plugin crash, tightens datetime constraints

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