diff --git a/docs/antora.yml b/docs/antora.yml
index bfa66b75..ec9d7bb1 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,6 +1,6 @@
 name: main
 title: Main Project
-version: 0.25.1
-prerelease: false
+version: 0.26.0-dev
+prerelease: true
 nav:
 - nav.adoc
diff --git a/docs/modules/ROOT/partials/component-attributes.adoc b/docs/modules/ROOT/partials/component-attributes.adoc
index 459d8f9c..181751c3 100644
--- a/docs/modules/ROOT/partials/component-attributes.adoc
+++ b/docs/modules/ROOT/partials/component-attributes.adoc
@@ -3,10 +3,10 @@
 // the following attributes must be updated immediately before a release
 
 // pkl version corresponding to current git commit without -dev suffix or git hash
-:pkl-version-no-suffix: 0.25.1
+:pkl-version-no-suffix: 0.26.0
 // tells whether pkl version corresponding to current git commit
 // is a release version (:is-release-version: '') or dev version (:!is-release-version:)
-:is-release-version: ''
+:!is-release-version:
 
 // the remaining attributes do not need to be updated regularly
 
diff --git a/docs/modules/release-notes/pages/0.26.adoc b/docs/modules/release-notes/pages/0.26.adoc
new file mode 100644
index 00000000..61c4e6f8
--- /dev/null
+++ b/docs/modules/release-notes/pages/0.26.adoc
@@ -0,0 +1,69 @@
+= Pkl 0.26 Release Notes
+:version: 0.26
+:version-minor: 0.26.0
+:release-date: TBD
+
+include::ROOT:partial$component-attributes.adoc[]
+
+Pkl {version} was released on {release-date}. +
+[.small]#The latest bugfix release is {version-minor}. (xref:changelog.adoc[All Versions])#
+
+The next release (0.27) is scheduled for July 2nd, 2024..
+
+Please send feedback and questions to https://github.com/apple/pkl/discussions[GitHub Discussions], or submit an issue on https://github.com/apple/pkl/issues/new[Github]. +
+
+[small]#Pkl is hosted on https://github.com/apple/pkl[GitHub].
+To get started, follow xref:pkl-cli:index.adoc#installation[Installation].#
+
+== Highlights [small]#💖#
+
+News you don't want to miss.
+
+.XXX
+[%collapsible]
+====
+XXX
+====
+
+== Noteworthy [small]#🎶#
+
+Ready when you need them.
+
+.XXX
+[%collapsible]
+====
+XXX
+====
+
+== Breaking Changes [small]#💔#
+
+Things to watch out for when upgrading.
+
+.XXX
+[%collapsible]
+====
+XXX
+====
+
+== Work In Progress [small]#🚆#
+
+They missed the train but deserve a mention.
+
+.XXX
+[%collapsible]
+====
+XXX
+====
+
+== Contributors [small]#🙏#
+
+We would like to thank the contributors to this release (in alphabetical order):
+
+* XXX
+
+== Closed Radars [small]#🔒#
+
+XXX Radars down, Inbox Zero in sight ...
+
+[smaller]
+. XXX (https://github.com/apple/pkl/issues/new[XXX])
diff --git a/docs/modules/release-notes/pages/changelog.adoc b/docs/modules/release-notes/pages/changelog.adoc
index 1df7b334..26e9c810 100644
--- a/docs/modules/release-notes/pages/changelog.adoc
+++ b/docs/modules/release-notes/pages/changelog.adoc
@@ -1,6 +1,11 @@
 = Changelog
 include::ROOT:partial$component-attributes.adoc[]
 
+[[release-0.26.0]]
+== 0.26.0
+
+xref:0.26.adoc[Release notes]
+
 [[release-0.25.1]]
 == 0.25.1 (2024-02-01)
 
diff --git a/docs/modules/release-notes/pages/index.adoc b/docs/modules/release-notes/pages/index.adoc
index 75b25a3a..68a20f9d 100644
--- a/docs/modules/release-notes/pages/index.adoc
+++ b/docs/modules/release-notes/pages/index.adoc
@@ -1,4 +1,5 @@
 = Release Notes
 
+* xref:0.26.adoc[0.26 Release Notes]
 * xref:0.25.adoc[0.25 Release Notes]
 * xref:changelog.adoc[Changelog]
diff --git a/docs/nav.adoc b/docs/nav.adoc
index aac43c55..e6df8792 100644
--- a/docs/nav.adoc
+++ b/docs/nav.adoc
@@ -40,5 +40,6 @@
 * xref:ROOT:examples.adoc[Examples]
 
 * xref:release-notes:index.adoc[Release Notes]
+** xref:release-notes:0.26.adoc[0.26 Release Notes]
 ** xref:release-notes:0.25.adoc[0.25 Release Notes]
 ** xref:release-notes:changelog.adoc[Changelog]
diff --git a/gradle.properties b/gradle.properties
index 09b8478f..6749ea8c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 # suppress inspection "UnusedProperty" for whole file
 
 group=org.pkl-lang
-version=0.25.1
+version=0.26.0
 
 # google-java-format requires jdk.compiler exports
 org.gradle.jvmargs= \
diff --git a/pkl-core/src/main/java/org/pkl/core/runtime/VmLanguage.java b/pkl-core/src/main/java/org/pkl/core/runtime/VmLanguage.java
index 3e424ba6..38191eaf 100644
--- a/pkl-core/src/main/java/org/pkl/core/runtime/VmLanguage.java
+++ b/pkl-core/src/main/java/org/pkl/core/runtime/VmLanguage.java
@@ -35,7 +35,7 @@ import org.pkl.core.util.Nullable;
 @TruffleLanguage.Registration(
     id = "pkl",
     name = "Pkl",
-    version = "0.25.0",
+    version = "0.26.0-dev",
     characterMimeTypes = VmLanguage.MIME_TYPE,
     contextPolicy = ContextPolicy.SHARED)
 public final class VmLanguage extends TruffleLanguage<VmContext> {
diff --git a/stdlib/Benchmark.pkl b/stdlib/Benchmark.pkl
index ee221650..266810f2 100644
--- a/stdlib/Benchmark.pkl
+++ b/stdlib/Benchmark.pkl
@@ -36,7 +36,7 @@
 ///
 /// Warning: Although this module is ready for initial use,
 /// benchmark results may be inaccurate or inconsistent.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.Benchmark
 
 import "pkl:platform" as _platform
diff --git a/stdlib/DocPackageInfo.pkl b/stdlib/DocPackageInfo.pkl
index 38d810f4..6945811d 100644
--- a/stdlib/DocPackageInfo.pkl
+++ b/stdlib/DocPackageInfo.pkl
@@ -63,7 +63,7 @@
 /// @Deprecated { message = "Use `com.example.Birds.Parrot` instead" }
 /// amends "pkl:PackageInfo"
 /// ```
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.DocPackageInfo
 
 import "pkl:reflect"
diff --git a/stdlib/DocsiteInfo.pkl b/stdlib/DocsiteInfo.pkl
index 97a2586b..014d304a 100644
--- a/stdlib/DocsiteInfo.pkl
+++ b/stdlib/DocsiteInfo.pkl
@@ -31,7 +31,7 @@
 ///
 /// title = "Title displayed in the header of each page"
 /// ```
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.DocsiteInfo
 
 import "pkl:reflect"
diff --git a/stdlib/Project.pkl b/stdlib/Project.pkl
index 31ce39da..1e480096 100644
--- a/stdlib/Project.pkl
+++ b/stdlib/Project.pkl
@@ -64,7 +64,7 @@
 ///   value = project
 /// }
 /// ``` 
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.Project
 
 import "pkl:Project"
diff --git a/stdlib/base.pkl b/stdlib/base.pkl
index 13c8bdd1..e3093588 100644
--- a/stdlib/base.pkl
+++ b/stdlib/base.pkl
@@ -17,7 +17,7 @@
 /// Fundamental properties, methods, and classes for writing Pkl programs.
 ///
 /// Members of this module are automatically available in every Pkl module.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.base
 
 import "pkl:jsonnet"
diff --git a/stdlib/json.pkl b/stdlib/json.pkl
index 28128d4b..9b77007a 100644
--- a/stdlib/json.pkl
+++ b/stdlib/json.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// A JSON parser.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.json
 
 /// A JSON parser.
diff --git a/stdlib/jsonnet.pkl b/stdlib/jsonnet.pkl
index 1925cee2..fbc8af70 100644
--- a/stdlib/jsonnet.pkl
+++ b/stdlib/jsonnet.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// A [Jsonnet](https://jsonnet.org) renderer.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.jsonnet
 
 /// Constructs an [ImportStr].
diff --git a/stdlib/math.pkl b/stdlib/math.pkl
index 6a449988..8f64d1fd 100644
--- a/stdlib/math.pkl
+++ b/stdlib/math.pkl
@@ -18,7 +18,7 @@
 ///
 /// Note that some mathematical functions, such as `sign()`, `abs()`, and `round()`,
 /// are directly defined in classes [Number], [Int], and [Float].
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.math
 
 /// The minimum [Int] value: `-9223372036854775808`.
diff --git a/stdlib/platform.pkl b/stdlib/platform.pkl
index d815dff6..088e8bbc 100644
--- a/stdlib/platform.pkl
+++ b/stdlib/platform.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// Information about the platform that the current program runs on.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.platform
 
 /// The platform that the current program runs on.
diff --git a/stdlib/protobuf.pkl b/stdlib/protobuf.pkl
index 6b73f2e2..38c7b912 100644
--- a/stdlib/protobuf.pkl
+++ b/stdlib/protobuf.pkl
@@ -16,7 +16,7 @@
 
 /// A renderer for [Protocol Buffers](https://developers.google.com/protocol-buffers).
 /// Note: This module is _experimental_ and not ready for production use.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.protobuf
 
 import "pkl:reflect"
diff --git a/stdlib/reflect.pkl b/stdlib/reflect.pkl
index facea1a0..caf57dda 100644
--- a/stdlib/reflect.pkl
+++ b/stdlib/reflect.pkl
@@ -26,7 +26,7 @@
 /// - Documentation generators (such as *Pkldoc*)
 /// - Code generators (such as *pkl-codegen-java* and *pkl-codegen-kotlin*)
 /// - Domain-specific schema validators
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.reflect
 
 import "pkl:base"
diff --git a/stdlib/release.pkl b/stdlib/release.pkl
index 01aa5577..002951d9 100644
--- a/stdlib/release.pkl
+++ b/stdlib/release.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// Information about the Pkl release that the current program runs on.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.release
 
 import "pkl:semver"
diff --git a/stdlib/semver.pkl b/stdlib/semver.pkl
index c77ca4a7..b31bd56f 100644
--- a/stdlib/semver.pkl
+++ b/stdlib/semver.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// Parsing, comparison, and manipulation of [semantic version](https://semver.org/spec/v2.0.0.html) numbers.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.semver
 
 /// Tells whether [version] is a valid semantic version number.
diff --git a/stdlib/settings.pkl b/stdlib/settings.pkl
index 1e111aea..44d3d8b0 100644
--- a/stdlib/settings.pkl
+++ b/stdlib/settings.pkl
@@ -19,7 +19,7 @@
 /// Every settings file must amend this module.
 /// Unless CLI commands and build tool plugins are explicitly configured with a settings file,
 /// they will use `~/.pkl/settings.pkl` or the defaults specified in this module.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.settings
 
 /// The editor for viewing and editing Pkl files.
diff --git a/stdlib/shell.pkl b/stdlib/shell.pkl
index 801c9917..428e531b 100644
--- a/stdlib/shell.pkl
+++ b/stdlib/shell.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// Utilities for generating shell scripts.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.shell
 
 /// Escapes [str] by enclosing it in single quotes.
diff --git a/stdlib/test.pkl b/stdlib/test.pkl
index 880b861a..c4f32f67 100644
--- a/stdlib/test.pkl
+++ b/stdlib/test.pkl
@@ -18,7 +18,7 @@
 ///
 /// To write tests, amend this module and define [facts] or [examples] (or both).
 /// To run tests, evaluate the amended module.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 open module pkl.test
 
 /// Named groups of boolean expressions that are expected to evaluate to [true].
diff --git a/stdlib/xml.pkl b/stdlib/xml.pkl
index e77951ca..810e6237 100644
--- a/stdlib/xml.pkl
+++ b/stdlib/xml.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// An XML renderer.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.xml
 
 /// Renders values as XML.
diff --git a/stdlib/yaml.pkl b/stdlib/yaml.pkl
index f60d12e9..584a6f55 100644
--- a/stdlib/yaml.pkl
+++ b/stdlib/yaml.pkl
@@ -15,7 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 /// A YAML 1.2 compliant YAML parser.
-@ModuleInfo { minPklVersion = "0.25.1" }
+@ModuleInfo { minPklVersion = "0.26.0" }
 module pkl.yaml
 
 /// A YAML parser.