scala · bracevac · Nov 28, 2025 · Nov 25, 2025 · Nov 26, 2025 · Nov 26, 2025
diff --git a/content/named-and-default-arguments.md → content/001-named-and-default-arguments.md b/content/named-and-default-arguments.md → content/001-named-and-default-arguments.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 1
 permalink: /sips/:title.html
 redirect_from: /sips/pending/named-and-default-arguments.html
 stage: completed
 status: shipped
-title: SID-1 Named and Default Arguments
+title: Named and Default Arguments
 ---
 
 **Lukas Rytz**

diff --git a/content/scala-compiler-phase-plugin-in.md → ...ent/002-scala-compiler-phase-plugin-in.md b/content/scala-compiler-phase-plugin-in.md → ...ent/002-scala-compiler-phase-plugin-in.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 2
 permalink: /sips/:title.html
 redirect_from: /sips/pending/scala-compiler-phase-plugin-in.html
 stage: completed
 status: shipped
-title: SID-2 Scala Compiler Phase and Plug-In Initialization for Scala 2.8
+title: Scala Compiler Phase and Plug-In Initialization for Scala 2.8
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/2)
diff --git a/content/new-collection-classes.md → content/003-new-collection-classes.md b/content/new-collection-classes.md → content/003-new-collection-classes.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 3
 permalink: /sips/:title.html
 redirect_from: /sips/pending/new-collection-classes.html
 stage: completed
 status: shipped
-title: SID-3 - New Collection classes
+title: New Collection classes
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/3)
diff --git a/content/early-member-definitions.md → content/004-early-member-definitions.md b/content/early-member-definitions.md → content/004-early-member-definitions.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 4
 permalink: /sips/:title.html
 redirect_from: /sips/pending/early-member-definitions.html
 stage: completed
 status: shipped
-title: SID-4 - Early Member Definitions
+title: Early Member Definitions
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/4)
diff --git a/content/internals-of-scala-annotations.md → ...ent/005-internals-of-scala-annotations.md b/content/internals-of-scala-annotations.md → ...ent/005-internals-of-scala-annotations.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 5
 permalink: /sips/:title.html
 redirect_from: /sips/pending/internals-of-scala-annotations.html
 stage: completed
 status: shipped
-title: SID-5 - Internals of Scala Annotations
+title: Internals of Scala Annotations
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/5)
diff --git a/content/scala-2-8-arrays.md → content/007-scala-2-8-arrays.md b/content/scala-2-8-arrays.md → content/007-scala-2-8-arrays.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 7
 permalink: /sips/:title.html
 redirect_from: /sips/pending/scala-2-8-arrays.html
 stage: completed
 status: shipped
-title: SID-7 - Scala 2.8 Arrays
+title: Scala 2.8 Arrays
 ---
 
 *(This is an older SID, its original PDF can be found [here](https://www.scala-lang.org/sid/7))*

diff --git a/content/scala-swing-overview.md → content/008-scala-swing-overview.md b/content/scala-swing-overview.md → content/008-scala-swing-overview.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 8
 permalink: /sips/:title.html
 redirect_from: /sips/pending/scala-swing-overview.html
 stage: completed
 status: shipped
-title: SID-8 - Scala Swing Overview
+title: Scala Swing Overview
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/8)
diff --git a/content/scala-specialization.md → content/009-scala-specialization.md b/content/scala-specialization.md → content/009-scala-specialization.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 9
 permalink: /sips/:title.html
 redirect_from: /sips/pending/scala-specialization.html
 stage: completed
 status: shipped
-title: SID-9 - Scala Specialization
+title: Scala Specialization
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/9)
diff --git a/content/picked-signatures.md → content/010-picked-signatures.md b/content/picked-signatures.md → content/010-picked-signatures.md
@@ -1,10 +1,12 @@
 ---
+kind: SID
 layout: sip
+number: 10
 permalink: /sips/:title.html
 redirect_from: /sips/pending/picked-signatures.html
 stage: completed
 status: shipped
-title: SID-10 - Storage of pickled Scala signatures in class files
+title: Storage of pickled Scala signatures in class files
 ---
 
 This was an older SID that can be found [here](https://www.scala-lang.org/sid/10)
diff --git a/content/string-interpolation.md → content/011-string-interpolation.md b/content/string-interpolation.md → content/011-string-interpolation.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 11
 permalink: /sips/:title.html
 redirect_from: /sips/pending/string-interpolation.html
 stage: completed
 status: shipped
-title: SIP-11 - String Interpolation
+title: String Interpolation
 ---
 
 **By: Martin Odersky**

diff --git a/content/implicit-classes.md → content/013-implicit-classes.md b/content/implicit-classes.md → content/013-implicit-classes.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 13
 permalink: /sips/:title.html
 redirect_from: /sips/pending/implicit-classes.html
 stage: completed
 status: shipped
-title: SIP-13 - Implicit classes
+title: Implicit classes
 ---
 
 **By: Josh Suereth**

diff --git a/content/futures-promises.md → content/014-futures-promises.md b/content/futures-promises.md → content/014-futures-promises.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 14
 permalink: /sips/:title.html
 redirect_from: /sips/pending/futures-promises.html
 stage: completed
 status: shipped
-title: SIP-14 - Futures and Promises
+title: Futures and Promises
 ---
 
 **By: Philipp Haller, Aleksandar Prokopec, Heather Miller, Viktor Klang, Roland Kuhn, and Vojin Jovanovic**

diff --git a/content/value-classes.md → content/015-value-classes.md b/content/value-classes.md → content/015-value-classes.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 15
 permalink: /sips/:title.html
 redirect_from: /sips/pending/value-classes.html
 stage: completed
 status: shipped
-title: SIP-15 - Value Classes
+title: Value Classes
 ---
 
 **By: Martin Odersky and Jeff Olson and Paul Phillips and Joshua Suereth**

diff --git a/content/type-dynamic.md → content/017-type-dynamic.md b/content/type-dynamic.md → content/017-type-dynamic.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 17
 permalink: /sips/:title.html
 redirect_from: /sips/pending/type-dynamic.html
 stage: completed
 status: shipped
-title: SIP-17 - Type Dynamic
+title: Type Dynamic
 ---
 
 

diff --git a/content/modularizing-language-features.md → ...ent/018-modularizing-language-features.md b/content/modularizing-language-features.md → ...ent/018-modularizing-language-features.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 18
 permalink: /sips/:title.html
 redirect_from: /sips/pending/modularizing-language-features.html
 stage: completed
 status: shipped
-title: SIP-18 - Modularizing Language Features
+title: Modularizing Language Features
 ---
 
 

diff --git a/content/42.type.md → content/023-42.type.md b/content/42.type.md → content/023-42.type.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 23
 permalink: /sips/:title.html
 redirect_from: /sips/pending/42.type.html
 stage: completed
 status: shipped
-title: SIP-23 - Literal-based singleton types
+title: Literal-based singleton types
 ---
 
 **Authors: George Leontiev, Eugene Burmako, Jason Zaugg, Adriaan Moors, Paul Phillips, Oron Port, Miles

diff --git a/content/trait-parameters.md → content/025-trait-parameters.md b/content/trait-parameters.md → content/025-trait-parameters.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 25
 permalink: /sips/:title.html
 redirect_from: /sips/pending/trait-parameters.html
 stage: completed
 status: shipped
-title: SIP-25 - Trait Parameters
+title: Trait Parameters
 ---
 
 > This proposal has been implemented in Scala 3.0.

diff --git a/content/trailing-commas.md → content/027-trailing-commas.md b/content/trailing-commas.md → content/027-trailing-commas.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 27
 permalink: /sips/:title.html
 redirect_from: /sips/pending/trailing-commas.html
 stage: completed
 status: shipped
-title: SIP-27 - Trailing Commas
+title: Trailing Commas
 ---
 
 > This proposal has been shipped in Scala 2.12.2.

diff --git a/content/static-members.md → content/030-static-members.md b/content/static-members.md → content/030-static-members.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 30
 permalink: /sips/:title.html
 redirect_from: /sips/pending/static-members.html
 stage: completed
 status: shipped
-title: SIP-30 - @static fields and methods in Scala objects (SI-4581)
+title: "@static fields and methods in Scala objects (SI-4581)"
 ---
 
 > This proposal has been implemented in Scala 3.0.0

diff --git a/content/byname-implicits.md → content/031-byname-implicits.md b/content/byname-implicits.md → content/031-byname-implicits.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 31
 permalink: /sips/:title.html
 redirect_from: /sips/pending/byname-implicits.html
 stage: completed
 status: shipped
-title: SIP-31 - Byname implicit arguments
+title: Byname implicit arguments
 ---
 
 > This proposal has been implemented in Scala 2.13.0 and Scala 3.0.0.

diff --git a/...t/priority-based-infix-type-precedence.md → ...3-priority-based-infix-type-precedence.md b/...t/priority-based-infix-type-precedence.md → ...3-priority-based-infix-type-precedence.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 33
 permalink: /sips/:title.html
 redirect_from: /sips/pending/priority-based-infix-type-precedence.html
 stage: completed
 status: shipped
-title: SIP-33 - Priority-based infix type precedence
+title: Priority-based infix type precedence
 ---
 
 **By: Oron Port**

diff --git a/content/opaque-types.md → content/035-opaque-types.md b/content/opaque-types.md → content/035-opaque-types.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 35
 permalink: /sips/:title.html
 redirect_from: /sips/pending/opaque-types.html
 stage: completed
 status: shipped
-title: SIP-35 - Opaque types
+title: Opaque types
 ---
 
 > This proposal has been implemented with some changes in Scala 3.0.0.

diff --git a/content/interpolation-quote-escape.md → content/037-interpolation-quote-escape.md b/content/interpolation-quote-escape.md → content/037-interpolation-quote-escape.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 37
 permalink: /sips/:title.html
 redirect_from: /sips/pending/interpolation-quote-escape.html
 stage: completed
 status: shipped
-title: SIP-37 - Quote escapes for interpolations
+title: Quote escapes for interpolations
 ---
 
 > This proposal has been implemented in Scala 2.13.6 and Scala 3.0.0.

diff --git a/...partialfunctions-and-extractor-objects.md → ...partialfunctions-and-extractor-objects.md b/...partialfunctions-and-extractor-objects.md → ...partialfunctions-and-extractor-objects.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 38
 permalink: /sips/:title.html
 redirect_from: /sips/pending/converters-among-optional-functions-partialfunctions-and-extractor-object.html
 stage: completed
 status: shipped
-title: SIP-38 - Converters among optional Functions, PartialFunctions and extractor objects
+title: Converters among optional Functions, PartialFunctions and extractor objects
 ---
 
 > This proposal has been implemented in Scala 2.13.0 and Scala 3.0.0.

diff --git a/...nt/right-associative-by-name-operators.md → ...39-right-associative-by-name-operators.md b/...nt/right-associative-by-name-operators.md → ...39-right-associative-by-name-operators.md
@@ -1,10 +1,11 @@
 ---
 layout: sip
+number: 39
 permalink: /sips/:title.html
 redirect_from: /sips/pending/right-associative-by-name-operators.html
 stage: completed
 status: shipped
-title: SIP-39 - Right-Associative By-Name Operators
+title: Right-Associative By-Name Operators
 ---
 
 > This proposal has been implemented in Scala 2.13.0 and Scala 3.0.0.

diff --git a/content/binary-integer-literals.md → content/042-binary-integer-literals.md b/content/binary-integer-literals.md → content/042-binary-integer-literals.md
@@ -1,9 +1,10 @@
 ---
 layout: sip
+number: 42
 permalink: /sips/:title.html
 stage: completed
 status: shipped
-title: SIP-42 - Support Binary Integer Literals
+title: Support Binary Integer Literals
 ---
 
 **By: NthPortal**

diff --git a/content/fewer-braces.md → content/044-fewer-braces.md b/content/fewer-braces.md → content/044-fewer-braces.md
@@ -1,9 +1,10 @@
 ---
 layout: sip
+number: 44
 permalink: /sips/:title.html
 stage: completed
 status: shipped
-title: SIP-44 - Fewer Braces
+title: Fewer Braces
 ---
 
 **By: Martin Odersky**

diff --git a/content/scala-cli.md → content/046-scala-cli.md b/content/scala-cli.md → content/046-scala-cli.md
@@ -1,9 +1,10 @@
 ---
 layout: sip
+number: 46
 permalink: /sips/:title.html
 stage: completed
 status: shipped
-title: SIP-46 - Scala CLI as default Scala command
+title: Scala CLI as default Scala command
 ---
 
 **By: Krzysztof Romanowski and  Scala CLI team**

diff --git a/content/clause-interleaving.md → content/047-clause-interleaving.md b/content/clause-interleaving.md → content/047-clause-interleaving.md
@@ -1,9 +1,10 @@
 ---
 layout: sip
+number: 47
 permalink: /sips/:title.html
 stage: completed
 status: shipped
-title: SIP-47 - Clause Interleaving
+title: Clause Interleaving
 ---
 
 **By: Quentin Bernet and Guillaume Martres and Sébastien Doeraene**

diff --git a/content/polymorphic-eta-expansion.md → content/049-polymorphic-eta-expansion.md b/content/polymorphic-eta-expansion.md → content/049-polymorphic-eta-expansion.md
@@ -1,9 +1,10 @@
 ---
 layout: sip
+number: 49
 permalink: /sips/:title.html
 stage: implementation
 status: waiting-for-implementation
-title: SIP-49 - Polymorphic Eta-Expansion
+title: Polymorphic Eta-Expansion
 ---
 
 **By: Quentin Bernet and Guillaume Martres** <!-- and Martin and Seb ?-->