Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
scala
improvement-proposals
Repository navigation
Code
Issues
2
(2)
Pull requests
21
(21)
Actions
Security and quality
Insights
More
items
All pull requests
New pull request
Search pull requests
is
:
pr
state
:
open
is:pr state:open
Clear filter
Search
Pull requests
Open
21
(21)
Closed
117
(117)
Author
Label
Projects
Milestones
Reviews
Assignee
Sort by
Newest
descending
More items
Comfortable display density
Compact display density
SIP-84: A New Type for Optionals and Error Handling
manager:lrytz
stage:design
status:under-review
#140
·
odersky
opened
Sep 24, 2026
Contributor
·
·
15
SIP-83: Explicit Nulls
manager:lrytz
stage:design
status:under-review
#139
·
olhotak
opened
Sep 23, 2026
·
·
SIP-85: Compile-time Specialization
manager:sjrd
stage:design
status:under-review
#138
·
jmesyou
opened
Aug 4, 2026
·
·
33
SIP-82 Inline Refinement Captures in Match Type Patterns
manager:sjrd
stage:implementation
status:waiting-for-implementation
#137
·
halotukozak
opened
Jul 27, 2026
·
·
8
SIP-81: Divergence Checking for Match Type Reduction
manager:clavigne
stage:implementation
status:waiting-for-implementation
#136
·
Lluc24
opened
Jul 5, 2026
·
·
1
SIP-NN: Inline Match Types
stage:pre-sip
status:submitted
#135
·
soronpo
opened
May 9, 2026
Contributor
·
·
7
SIP-80: Companion Scope Inference
manager:lihaoyi
stage:design
status:under-review
#134
·
soronpo
opened
May 6, 2026
Contributor
·
·
216
SIP-79: Relaxed Null checks under
strictEquality
manager:soronpo
stage:implementation
status:under-review
#133
·
mberndt123
opened
Apr 11, 2026
Contributor
·
·
11
SIP-59: Multiple Assignments
manager:sjrd
stage:implementation
status:under-review
#125
·
bracevac
opened
Dec 1, 2025
Member
·
·
SIP-60: Bind variables within alternative patterns
manager:smarter
stage:implementation
status:waiting-for-implementation
#124
·
bracevac
opened
Dec 1, 2025
Member
·
·
SIP-49: Polymorphic Eta-Expansion
manager:smarter
stage:implementation
status:waiting-for-implementation
#123
·
bracevac
opened
Dec 1, 2025
Member
·
·
initial draft for multi-level enums
stage:pre-sip
status:submitted
#117
·
esarbe
opened
Sep 18, 2025
·
·
19
SIP-77 - End Markers for Method Blocks
manager:lihaoyi
stage:implementation
status:under-review
#116
·
soronpo
opened
Aug 25, 2025
Contributor
·
·
11
SIP-73 - Adding Flexible Types as Internal Type to Scala 3 Spec
stage:pre-sip
status:submitted
#115
·
noti0na1
opened
Aug 25, 2025
Member
·
·
13
SIP-76 - Unpack Case Classes into Parameter Lists and Argument Lists
manager:lrytz
stage:design
status:under-review
#114
·
lihaoyi
opened
Aug 24, 2025
Contributor
·
·
19
SIP-72 Dedented Multiline String Literals
manager:sjrd
stage:implementation
status:accepted
#112
·
lihaoyi
opened
Aug 15, 2025
Contributor
·
·
10
SIP-70 - Flexible Varargs
manager:sjrd
stage:implementation
status:implemented
#105
·
lihaoyi
opened
Feb 28, 2025
Contributor
·
·
35
SIP-69: Existential containers
manager:smarter
stage:design
status:under-review
#101
·
kyouko-taiga
opened
Dec 20, 2024
Contributor
·
·
29
SIP-66 - Implicit macro conversions
manager:smarter
stage:design
status:under-review
#86
·
Iltotore
opened
Jun 26, 2024
·
·
15
SIP-65: Generic Number Literals
stage:pre-sip
status:submitted
#85
·
rjolly
opened
May 15, 2024
·
·
14
SIP-63 - Scala 3 Macro Annotations
manager:smarter
stage:design
status:under-review
#80
·
nicolasstucki
opened
Feb 20, 2024
Contributor
·
·
26
You can’t perform that action at this time.