SpineEventEngine · alexander-yevsyukov · Jun 23, 2026 · Jun 18, 2026 · Jun 19, 2026 · Jun 22, 2026
diff --git a/base/build.gradle.kts b/base/build.gradle.kts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,7 +89,6 @@ tasks {
     excludeGoogleProtoFromArtifacts()
 }
 
-
 // For generating test fixtures. See `src/test/proto`.
 protobuf {
     configurations.excludeProtobufLite()
@@ -99,6 +98,15 @@ protobuf {
     }
 
     generateProtoTasks.all().configureEach {
+        // The `doLast` action below deletes files from this task's own output
+        // directory, which is not reproduced when the task is restored from the
+        // Gradle build cache. A cached restoration yields an output (and a
+        // downstream descriptor set on the test classpath) that differs from a
+        // fresh run, intermittently leaving `io.spine.type.KnownTypes` with an
+        // incomplete set of types. Opt this task out of the build cache so it
+        // always executes and the deletion is always applied.
+        outputs.cacheIf { false }
+
         // Delete files generated in `com.google` packages because
         // we add `protobuf(Protobuf.protoSrcLib)` dependency above.
         doLast {

diff --git a/base/src/main/java/io/spine/query/QueryCriterion.java b/base/src/main/java/io/spine/query/QueryCriterion.java
@@ -86,18 +86,44 @@ abstract class QueryCriterion<R extends Message,
 
     /**
      * Appends an associated query builder with a criterion checking that the value
-     * of the associated column equals to the one provided.
+     * of the associated column equals the one provided.
+     *
+     * <p>The shorter {@link #is(Object) is()} alias has the same effect and reads more
+     * fluently from Java. Prefer this method in Kotlin, where {@code is} is a reserved
+     * word and calling {@code is()} requires wrapping the name in backticks.
      *
      * @param value
      *         the column value to use when querying
      * @return the instance of query builder associated with this criterion
+     * @see #is(Object)
      */
     @CanIgnoreReturnValue
-    public B is(V value) {
+    public B isEqualTo(V value) {
         checkNotNull(value);
         return addParameter(builder, column, EQUALS, value);
     }
 
+    /**
+     * Appends an associated query builder with a criterion checking that the value
+     * of the associated column equals the one provided.
+     *
+     * <p>This method is a short form of {@link #isEqualTo(Object) isEqualTo()}.
+     * It is a convenience wrapper for working with a {@code QueryCriterion} from Java.
+     *
+     * <p>In Kotlin, prefer {@link #isEqualTo(Object) isEqualTo()} because {@code is} is
+     * a reserved word there, so calling this method requires wrapping its name in
+     * backticks.
+     *
+     * @param value
+     *         the column value to use when querying
+     * @return the instance of query builder associated with this criterion
+     * @see #isEqualTo(Object)
+     */
+    @CanIgnoreReturnValue
+    public B is(V value) {
+        return isEqualTo(value);
+    }
+
     /**
      * Appends an associated query builder with a criterion checking that the value
      * of the associated column is less than the one provided.

diff --git a/base/src/test/java/io/spine/query/RecordQueryBuilderTest.java b/base/src/test/java/io/spine/query/RecordQueryBuilderTest.java
@@ -1,11 +1,11 @@
 /*
- * Copyright 2022, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ * https://www.apache.org/licenses/LICENSE-2.0
  *
  * Redistribution and use in source and/or binary forms, with or without
  * modification, must retain the above copyright notice and the following
@@ -254,6 +254,38 @@ void returnSameBuilder() {
         }
     }
 
+    @Nested
+    @DisplayName("support filtering by given values")
+    final class IsEqualTo {
+
+        @Test
+        @DisplayName("appending an `EQUALS` parameter via `isEqualTo`")
+        void appendEqualsParameter() {
+            var isinValue = "JP 3496600002";
+            var parameters = queryManufacturer()
+                    .where(isin).isEqualTo(isinValue)
+                    .predicate()
+                    .parameters();
+            assertThat(parameters).hasSize(1);
+            assertHasParamValue(parameters, isin, EQUALS, isinValue);
+        }
+
+        @Test
+        @DisplayName("providing `is` alias for `isEqualTo`")
+        void matchIs() {
+            var isinValue = "JP 3496600002";
+            var viaIs = queryManufacturer()
+                    .where(isin).is(isinValue)
+                    .predicate()
+                    .parameters();
+            var viaIsEqualTo = queryManufacturer()
+                    .where(isin).isEqualTo(isinValue)
+                    .predicate()
+                    .parameters();
+            assertThat(viaIsEqualTo).isEqualTo(viaIs);
+        }
+    }
+
     @Nested
     @DisplayName("prevent")
     final class Prevent {

diff --git a/docs/dependencies/dependencies.md b/docs/dependencies/dependencies.md
@@ -1,6 +1,6 @@
 
 
-# Dependencies of `io.spine:spine-annotations:2.0.0-SNAPSHOT.420`
+# Dependencies of `io.spine:spine-annotations:2.0.0-SNAPSHOT.421`
 
 ## Runtime
 1.  **Group** : org.jetbrains. **Name** : annotations. **Version** : 26.1.0.
@@ -760,14 +760,14 @@
 
 The dependencies distributed under several licenses, are used according their commercial-use-friendly license.
 
-This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using 
+This report was generated on **Tue Jun 23 00:11:07 WEST 2026** using 
 [Gradle-License-Report plugin](https://github.com/jk1/Gradle-License-Report) by Evgeny Naumenko, licensed under 
 [Apache 2.0 License](https://github.com/jk1/Gradle-License-Report/blob/master/LICENSE).
 
 
 
 
-# Dependencies of `io.spine:spine-base:2.0.0-SNAPSHOT.420`
+# Dependencies of `io.spine:spine-base:2.0.0-SNAPSHOT.421`
 
 ## Runtime
 1.  **Group** : com.google.code.findbugs. **Name** : jsr305. **Version** : 3.0.2.
@@ -1604,14 +1604,14 @@ This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using
 
 The dependencies distributed under several licenses, are used according their commercial-use-friendly license.
 
-This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using 
+This report was generated on **Tue Jun 23 00:11:07 WEST 2026** using 
 [Gradle-License-Report plugin](https://github.com/jk1/Gradle-License-Report) by Evgeny Naumenko, licensed under 
 [Apache 2.0 License](https://github.com/jk1/Gradle-License-Report/blob/master/LICENSE).
 
 
 
 
-# Dependencies of `io.spine:spine-environment:2.0.0-SNAPSHOT.420`
+# Dependencies of `io.spine:spine-environment:2.0.0-SNAPSHOT.421`
 
 ## Runtime
 1.  **Group** : com.google.code.findbugs. **Name** : jsr305. **Version** : 3.0.2.
@@ -2430,14 +2430,14 @@ This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using
 
 The dependencies distributed under several licenses, are used according their commercial-use-friendly license.
 
-This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using 
+This report was generated on **Tue Jun 23 00:11:07 WEST 2026** using 
 [Gradle-License-Report plugin](https://github.com/jk1/Gradle-License-Report) by Evgeny Naumenko, licensed under 
 [Apache 2.0 License](https://github.com/jk1/Gradle-License-Report/blob/master/LICENSE).
 
 
 
 
-# Dependencies of `io.spine:spine-format:2.0.0-SNAPSHOT.420`
+# Dependencies of `io.spine:spine-format:2.0.0-SNAPSHOT.421`
 
 ## Runtime
 1.  **Group** : com.fasterxml.jackson. **Name** : jackson-bom. **Version** : 2.22.0.
@@ -3336,6 +3336,6 @@ This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using
 
 The dependencies distributed under several licenses, are used according their commercial-use-friendly license.
 
-This report was generated on **Thu Jun 18 20:57:17 WEST 2026** using 
+This report was generated on **Tue Jun 23 00:11:07 WEST 2026** using 
 [Gradle-License-Report plugin](https://github.com/jk1/Gradle-License-Report) by Evgeny Naumenko, licensed under 
 [Apache 2.0 License](https://github.com/jk1/Gradle-License-Report/blob/master/LICENSE).
diff --git a/docs/dependencies/pom.xml b/docs/dependencies/pom.xml
@@ -10,7 +10,7 @@ all modules and does not describe the project structure per-subproject.
  -->
 <groupId>io.spine</groupId>
 <artifactId>base-libraries</artifactId>
-<version>2.0.0-SNAPSHOT.420</version>
+<version>2.0.0-SNAPSHOT.421</version>
 
 <inceptionYear>2015</inceptionYear>
 

diff --git a/version.gradle.kts b/version.gradle.kts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,4 +24,4 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-val versionToPublish: String by extra("2.0.0-SNAPSHOT.420")
+val versionToPublish: String by extra("2.0.0-SNAPSHOT.421")