Scala 3.1 lifecycle

Current status

end of lifehigh

Scala 3.1 reached end of life on 1 Sept 2022. Security and bug fixes are no longer provided by the project according to published lifecycle data.

This line is end of life.

Plan your upgrade →

Official lifecycle source: Scala Development Guarantees

Support phase: end of life
End of life: 1 Sept 2022
Latest release: 3.1.3
Released: 21 Jun 2022

At a glance

Version line: 3.1
Initial release: 18 Oct 2021
Lifecycle phase: end of life
Latest stable: 3.1.3
Latest release date: 21 Jun 2022
EOL: 1 Sept 2022
Risk: high
Releases tracked: 4

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

Release
18 Oct 2021
standard support
18 Oct 2021 → 1 Sept 2022
Source: Scala Development Guarantees
end of lifecurrent
1 Sept 2022 → —
Source: Scala Development Guarantees

Scala 3.1 reached end of life on 1 Sept 2022. Security and bug fixes are no longer provided by the project according to published lifecycle data.

Upgrade options

Newer supported Scala version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on Scala 3.1

End of lifeEOL 1 September 2022

Supported upgrade options

Scala 3.8
Supported· 7 minor versions newer
Upgrade planner →
Scala 3.3
Supported· 2 minor versions newer
Upgrade planner →

Open full upgrade planner for Scala 3.1 →

Latest release

3.1.3

Released 21 Jun 2022 · stable

https://github.com/scala/scala3/releases/tag/3.1.3

Previous releases

3.1.2
12 Apr 2022
3.1.1
20 Jan 2022
3.1.0
18 Oct 2021

Release history

4 concrete releases tracked for this line.

Version	Release date	Channel	Source
3.1.3	21 Jun 2022	stable	Source
3.1.2	12 Apr 2022	stable	Source
3.1.1	20 Jan 2022	stable	Source
3.1.0	18 Oct 2021	stable	Source

Release activity

Total releases: 4
Last 30 days: 0
Last 90 days: 0
Avg. interval: ~82 days
Most recent: 21 Jun 2022

Should I use this version?

Not recommended for new deployments

Upgrade to a currently supported release line. Recommended target: Scala 3.3.

Version comparison

Compact comparison against the nearest relevant release lines.

	3.1	3.3
Status	end of life	standard support
Latest release	3.1.3	3.3.8
EOL	Sept 2022	Not published
Risk	high	low

Sources

Where this information comes from.

Lifecycle sources

Scala Development Guaranteesfirst party · high confidence
Official source: https://www.scala-lang.org/development/
Last verified 2 Sept 2026
Scala JDK Compatibilityfirst party
Official source: https://docs.scala-lang.org/overviews/jdk-compatibility/overview.html
Verification time not recorded
CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded

Release sources

Scala Development Guaranteesfirst party · high confidence
Official source: https://www.scala-lang.org/development/
Last verified 2 Sept 2026
Scala 3 GitHub Releasesfirst party
Official source: https://github.com/scala/scala3/releases
Verification time not recorded
Scala 2 GitHub Releasesfirst party
Official source: https://github.com/scala/scala/releases
Verification time not recorded

Data coverage

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Releases tracked: 4
Lifecycle periods: 2
EOL: Known
Provenance records: 3
Data last checked: 2 Sept 2026
Latest source update: 2 Sept 2026