Document Status	ACTIVE
Document Version	4
Last TC Review Date	06 Mar 2024
Last TC Review Outcome	The TC accepted the page

Frontend

Languages

Chosen Technologies:

JavaScript
TypeScript

Build Tools

Chosen Technologies:

Node 20
Yarn 1

First Party Libraries / Frameworks

Notes: These versions are often only decided upon in the latter states of the flower release process and may be subject to change even after this document is accepted

Chosen Technologies:

Stripes 9.2.0 or greater

Shared Third Party Libraries / Frameworks

Chosen Technologies:

React ^18.2

During Build Automated Testing

Chosen Technologies:

Jest
- should be ^29
RTL
- should be ^14

Post Build Integration Testing

Chosen Technologies:

Cypress ^10

Backend

Languages

Chosen Technologies:

Java 17 / JDK 17
Groovy (version determined by the version of Grails, below)
OpenAPI (OAS) 3.*
- see https://dev.folio.org/start/primer-oas/
Go 1.23

Build Tools

Chosen Technologies:

Maven 3.8 or later
Docker
Gradle
GNU Make

First Party Libraries / Frameworks

Notes: These versions are often only decided upon in the latter states of the flower release process and may be subject to change even after this document is accepted

Chosen Technologies:

folio-spring-base 8.1 or greater
folio-vertx-lib 3.2 or greater
raml-module-builder 35.2 or greater
- deprecated. Only existing FOLIO modules may continue to use raml-module-builder
edge-common 4.5.2 or greater
edge-common-spring 2.3.2 or greater

Third Party Libraries / Frameworks

Chosen Technologies:

Spring Boot 3.3 (OSS support until 2025-05)
Spring Framework 6.1 (OSS support until 2025-08-31)
Grails 6
vertx 4 (See https://github.com/eclipse-vertx/vert.x/wiki/Vert.x-5)
Lombok
AWS SDK for Java
- version 2 (version 1 will reach end-of-support on December 31, 2025)

During Build Automated Testing

Chosen Technologies:

JUnit
- 5 should be used, 4 (is in maintenance mode) may be used, however JUnit 5 vintage is preferred
rest-assured
testcontainers

Post Build Integration Testing

Chosen Technologies:

karate
cucumber-reporting

Infrastructure

Chosen Technologies:

Postgresql 16
OpenSearch 2 and Elasticsearch 8
- OpenSearch maintenance policy
- Elasticsearch support policy, EOL dates, release history
MSK/Kafka
S3/MInIO

Support period

Technology versions must support the full Ramsons support period that ends around April 2025: Ramsons will be released in August 2024 and will be supported until Trillium (R1 2025) gets released around April 2025 (based upon assumption that future releases will follow a similar cadence to previous releases), see FOLIO support policy.

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