[ci] Drop Emacs 26, test Emacs 30

Author: alexander-yakushev

.circleci/config.yml

@@ -54,14 +54,6 @@ commands:
           command: eldev -dtT compile --warnings-as-errors
 
 jobs:
-  test-ubuntu-emacs-26:
-    docker:
-      - image: silex/emacs:26-ci
-        entrypoint: bash
-    steps:
-      - setup
-      - test
-
   test-ubuntu-emacs-27:
     docker:
       - image: silex/emacs:27-ci
@@ -77,6 +69,7 @@ jobs:
     steps:
       - setup
       - test
+
   test-ubuntu-emacs-29:
     docker:
       - image: silex/emacs:29-ci
@@ -85,6 +78,14 @@ jobs:
       - setup
       - test
 
+  test-ubuntu-emacs-30:
+    docker:
+      - image: silex/emacs:30-ci
+        entrypoint: bash
+    steps:
+      - setup
+      - test
+
   test-ubuntu-emacs-master:
     docker:
       - image: silex/emacs:master-ci
@@ -131,10 +132,6 @@ workflows:
     jobs:
       - test-shellcheck
       - test-lint
-      - test-ubuntu-emacs-26:
-          requires:
-            - test-lint
-            - test-shellcheck
       - test-ubuntu-emacs-27:
           requires:
             - test-lint
@@ -147,6 +144,10 @@ workflows:
           requires:
             - test-lint
             - test-shellcheck
+      - test-ubuntu-emacs-30:
+          requires:
+            - test-lint
+            - test-shellcheck
       - test-ubuntu-emacs-master:
           requires:
             - test-lint

.github/workflows/test.yml

@@ -23,18 +23,18 @@ jobs:
       matrix:
         # Test all Emacs versions on Ubuntu.
         os: [ubuntu-latest]
-        emacs_version: ['26.3', '27.2', '28.2', '29.3', 'snapshot']
+        emacs_version: ['27.2', '28.2', '29.3', '30.1', 'snapshot']
         java_version: ['21']
         include:
           # For other OSes, test only the latest stable Emacs version.
           - os: macos-latest # aarch64
-            emacs_version: '29.3'
+            emacs_version: '30.1'
             java_version: '21'
           - os: macos-13 # x64
-            emacs_version: '29.3'
+            emacs_version: '30.1'
             java_version: '21'
           - os: windows-latest
-            emacs_version: '29.3'
+            emacs_version: '30.1'
             java_version: '21'
 
     steps:

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Changes
 
+- [#3782](https://github.com/clojure-emacs/cider/issues/3782): **(Breaking)** Drop official support for Emacs 26.
 - [#3777](https://github.com/clojure-emacs/cider/issues/3777): Inspector no longer displays parsed Javadoc for Java classes and members.
 
 ## 1.17.1 (2025-02-25)

doc/modules/ROOT/pages/about/compatibility.adoc

@@ -2,7 +2,7 @@
 
 == Emacs
 
-CIDER supports Emacs 26.1+. More generally we try to support the last 3 major Emacs releases
+CIDER supports Emacs 27.1+. More generally we try to support the last 3 major Emacs releases
 when that's feasible and doesn't add a lot of maintenance overhead.
 
 NOTE: We pay special attention to supporting whatever Emacs is bundled with the current stable Debian
@@ -16,7 +16,7 @@ NOTE: We pay special attention to supporting whatever nREPL is bundled with the
 
 == Java
 
-CIDER officially targets Java 8, Java 11, Java 17, Java 21, and the most recent
+CIDER officially targets Java 8, 11, 17, 21, and the most recent
 non-LTS version. Generally speaking, we aim to support all Java releases that
 are currently officially supported by Oracle.footnote:[You can find more
 information about the supported Java releases
@@ -75,13 +75,20 @@ Below you can find the official compatibility matrix for CIDER.
 | 8
 | 1.9
 
-| 1.16
+| 1.17
 | 26.1
 | 1.0
 | 0.50
 | 8
 | 1.10
 
+| 1.18
+| 27.1
+| 1.0
+| 0.50
+| 8
+| 1.10
+
 |===
 
 TIP: You can also check the requirements of a particular CIDER version by inspecting

doc/modules/ROOT/pages/basics/installation.adoc

@@ -12,7 +12,7 @@ release. If you're new to Emacs you might want to go through
 https://www.gnu.org/software/emacs/tour/index.html[the guided tour of Emacs]
 and the built-in tutorial (just press kbd:[C-h t]).
 
-CIDER officially supports Emacs 26.1+, Java 8+, and Clojure(Script) 1.10+. If
+CIDER officially supports Emacs 27.1+, Java 8+, and Clojure(Script) 1.10+. If
 you need to work with earlier versions, check
 xref:about/compatibility.adoc#compatibility-matrix[compatibility matrix].