clojure-emacs · alexander-yakushev · Mar 13, 2025 · Mar 4, 2025 · Mar 4, 2025 · Mar 13, 2025
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -54,32 +54,35 @@ commands:
           command: eldev -dtT compile --warnings-as-errors
 
 jobs:
-  test-ubuntu-emacs-26:
-    docker:
-      - image: silex/emacs:26-ci
-        entrypoint: bash
-    steps:
-      - setup
-      - test
+  # NB: commented until https://github.com/magit/transient/issues/368 or
+  # whatever is causing it is fixed.
+  # test-ubuntu-emacs-27:
+  #   docker:
+  #     - image: silex/emacs:27-ci
+  #       entrypoint: bash
+  #   steps:
+  #     - setup
+  #     - test
 
-  test-ubuntu-emacs-27:
+  test-ubuntu-emacs-28:
     docker:
-      - image: silex/emacs:27-ci
+      - image: silex/emacs:28-ci
         entrypoint: bash
     steps:
       - setup
       - test
 
-  test-ubuntu-emacs-28:
+  test-ubuntu-emacs-29:
     docker:
-      - image: silex/emacs:28-ci
+      - image: silex/emacs:29-ci
         entrypoint: bash
     steps:
       - setup
       - test
-  test-ubuntu-emacs-29:
+
+  test-ubuntu-emacs-30:
     docker:
-      - image: silex/emacs:29-ci
+      - image: silex/emacs:30-ci
         entrypoint: bash
     steps:
       - setup
@@ -131,19 +134,19 @@ workflows:
     jobs:
       - test-shellcheck
       - test-lint
-      - test-ubuntu-emacs-26:
-          requires:
-            - test-lint
-            - test-shellcheck
-      - test-ubuntu-emacs-27:
+      # - test-ubuntu-emacs-27:
+      #     requires:
+      #       - test-lint
+      #       - test-shellcheck
+      - test-ubuntu-emacs-28:
           requires:
             - test-lint
             - test-shellcheck
-      - test-ubuntu-emacs-28:
+      - test-ubuntu-emacs-29:
           requires:
             - test-lint
             - test-shellcheck
-      - test-ubuntu-emacs-29:
+      - test-ubuntu-emacs-30:
           requires:
             - test-lint
             - test-shellcheck

diff --git a/.github/workflows/test.yml b/.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:

diff --git a/CHANGELOG.md b/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)

diff --git a/cider-client.el b/cider-client.el
@@ -249,15 +249,15 @@ Assuming this is the Clojure map you want to use as `cljfmt' options:
 
 you need to encode it as the following plist:
 
-  '((\"indents\" ((\"org.me/foo\" ((\"inner\" 0))))) (\"alias-map\" ((\"me\" \"org.me\"))))"
+  \\='((\"indents\" ((\"org.me/foo\" ((\"inner\" 0))))) (\"alias-map\" ((\"me\" \"org.me\"))))"
   :type 'list
   :group 'cider
   :package-version '(cider . "1.1.0"))
 
 (defun cider--nrepl-format-code-request-map (&optional format-options)
   "Map to merge into requests that require code formatting.
 If non-nil, FORMAT-OPTIONS specifies the options cljfmt will use to format
-the code.  See `cider-format-code-options` for details."
+the code.  See `cider-format-code-options' for details."
   (when format-options
     (let* ((indents-dict (when (assoc "indents" format-options)
                            (thread-last
@@ -320,7 +320,7 @@ nil."
   "A map of options that will be passed to `cider-print-fn'.
 Here's an example for `pprint':
 
-  '((\"length\" 50) (\"right-margin\" 70))"
+  \\='((\"length\" 50) (\"right-margin\" 70))"
   :type 'list
   :group 'cider
   :package-version '(cider . "0.21.0"))

diff --git a/cider-connection.el b/cider-connection.el
@@ -264,7 +264,7 @@ We look only at the major and minor components.  When the major
 version is 0, only check that the minor versions match.  When the major version
 is > 0, first check that the major version matches, then that the minor
 version is >= the required minor version.
-VER the 'installed' version,
+VER the `installed' version,
 REQUIRED-VER the version required by cider."
   (let ((ver* (cider--strip-version-patch ver))
         (required-ver* (cider--strip-version-patch required-ver)))
@@ -785,7 +785,7 @@ Session name can be customized with `cider-session-name-template'."
 ;;; REPL Buffer Init
 
 (defvar-local cider-cljs-repl-type nil
-  "The type of the ClojureScript runtime ('browser, 'node, 'figwheel, etc.).")
+  "The type of the ClojureScript runtime (\\='browser, \\='node, \\='figwheel, etc.).")
 
 (defvar-local cider-repl-type nil
   "The type of this REPL buffer, usually either clj or cljs.")

diff --git a/cider-selector.el b/cider-selector.el
@@ -104,6 +104,7 @@ selects a buffer.
 BODY is a series of forms which are evaluated when the selector
 is chosen.  The returned buffer is selected with
 `switch-to-buffer'."
+  (declare (indent 1))
   (let ((method `(lambda ()
                    (let ((buffer (progn ,@body)))
                      (cond ((not (and buffer (get-buffer buffer)))
@@ -143,7 +144,8 @@ is chosen.  The returned buffer is selected with
   "Most recently visited emacs-lisp-mode buffer."
   (cider-selector--recently-visited-buffer 'emacs-lisp-mode))
 
-(def-cider-selector-method ?q "Abort."
+(def-cider-selector-method ?q
+  "Abort."
   (top-level))
 
 (def-cider-selector-method ?r

diff --git a/cider.el b/cider.el
@@ -12,7 +12,7 @@
 ;; Maintainer: Bozhidar Batsov <[email protected]>
 ;; URL: https://www.github.com/clojure-emacs/cider
 ;; Version: 1.18.0-snapshot
-;; Package-Requires: ((emacs "26") (clojure-mode "5.19") (parseedn "1.2.1") (queue "0.2") (spinner "1.7") (seq "2.22") (sesman "0.3.2") (transient "0.4.1"))
+;; Package-Requires: ((emacs "27") (clojure-mode "5.19") (parseedn "1.2.1") (queue "0.2") (spinner "1.7") (seq "2.22") (sesman "0.3.2") (transient "0.4.1"))
 ;; Keywords: languages, clojure, cider
 
 ;; This program is free software: you can redistribute it and/or modify

diff --git a/doc/modules/ROOT/pages/about/compatibility.adoc b/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

diff --git a/doc/modules/ROOT/pages/basics/installation.adoc b/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].
 

diff --git a/nrepl-client.el b/nrepl-client.el
@@ -833,13 +833,13 @@ to the REPL."
                                            truncated-handler)
   "Make a response handler for connection BUFFER.
 A handler is a function that takes one argument - response received from
-the server process.  The response is an alist that contains at least 'id'
-and 'session' keys.  Other standard response keys are 'value', 'out', 'err',
-and 'status'.
+the server process.  The response is an alist that contains at least `id'
+and `session' keys.  Other standard response keys are `value', `out', `err',
+and `status'.
 
 The presence of a particular key determines the type of the response.  For
-example, if 'value' key is present, the response is of type 'value', if
-'out' key is present the response is 'stdout' etc.
+example, if `value' key is present, the response is of type `value', if
+`out' key is present the response is `stdout' etc.
 
 Depending on the type, the handler dispatches the appropriate value to one
 of the supplied handlers: VALUE-HANDLER, STDOUT-HANDLER, STDERR-HANDLER,
@@ -1219,7 +1219,7 @@ up."
 (defun nrepl-server-sentinel (process event)
   "Handle nREPL server PROCESS EVENT.
 If the nREPL PROCESS failed to initiate and encountered a fatal EVENT
-signal, raise an 'error'.  Additionally, if the EVENT signal is SIGHUP,
+signal, raise an `error'.  Additionally, if the EVENT signal is SIGHUP,
 close any existing client connections."
   ;; only interested on fatal signals.
   (when (not (process-live-p process))