1.19.0 (2025-07-10)

New features

• #3359: Add customizable default connection params (see cider-connect-default-params and cider-connect-default-cljs-params).
• #3828: Inspector: diff mode.
• #3828: Inspector: sorting maps by keys.

Changes

• Bump the injected cider-nrepl to 0.57.0.
  • cider-nrepl#941: Stop vendoring Fipp dependency.
  • cider-nrepl#943: Reduce debugger instrumentation bytecode footprint.
  • orchard#342: Inspector: add hexdump view mode.
  • orchard#349: Inspector: add ability to sort maps by key.
  • orchard#350: Inspector: add diff mode and orchard.inspect/diff.
• #3816: (Breaking) Remove enrich-classpath support from cider-jack-in.
• #3817: Enable cider-download-java-sources by default.

New features

• #3802: Inspector analytics.
• #3802: Inspector table view-mode.
• #3813: Inspector pretty-printing mode.
• #3810: Inspector: C-c C-p to pretty-print the currently inspected value.
• orchard#320: Info: recognize printed Java classes/methods and munged Clojure functions in stacktrace outputs.

Changes

• #3782: Drop official support for Emacs 26.
• #3812: (Breaking) Remove support for Boot.
• #3793: (Breaking) Remove features that relied on printed exception parsing:
  • cider-stacktrace-analyze-string and cider-stacktrace-analyze-at-point functions.
  • Automatic stacktrace parsing in log viewer.
• Bump the injected cider-nrepl to 0.55.7.
  • compliment#122: Completion: sort candidates by priority.
  • Inspector: add dedicated view for Exceptions.
  • Stop vendoring Haystack dependency.
  • Stop vendoring Puget dependency. You can still use puget pretty-printer in CIDER, but you need to depend on Puget explicitly. If Puget is not found on the classpath, CIDER will revert to clojure.pprint/pprint for pretty-printing.
• #3777: Inspector no longer displays parsed Javadoc for Java classes and members.
• #3790: Stacktrace: show messages and data for all exception causes by default.
• #3807: Stacktrace: make exception data individually inspectable.
• #3789: Refactor and simplify exception handling.
• #3789: Completion: disable client-side sorting (defer to backend-provided candidate order).
• #3797: Completion: enable cider-completion-style by default (this enables richer completion suggestions where candidates don't have to strictly match the prefix).
• #3803: Enable dynamic indentation for clojure-ts-mode.
• #3805: Profiler: update to latest profiling middleware.
• #3806: Add client info to clone op request.

Bugs fixed

• #3784: Inspector: make point less erratic when navigating between inspector screens.
• #3786: Sort dictionaries by key in nrepl-bencode
• #3779: cider-find-keyword doesn't work with clojure-ts-mode.
• #3791: Missing font-lock when cider-font-lock-dynamically is enabled for clojure-ts-mode.

1.17.0 (2025-02-17)

New features

• Automatic downloading of third-party Java sources for better Java documentation and jump-to-definition functionality. See Obtaining source JARs.
• CIDER History: Add a command to delete history item at point.

Changes

• Bump the injected nREPL version to 1.3.1.
• Bump the injected cider-nrepl to 0.52.0.
• #3574: New value per-project for cider-repl-history-file to save the history on a per-project basis.

Bugs fixed

• #3763: Fix cider-docview-render completion popup error when symbol being completed does not have a docstring.
• #3774: Fix overlay hangup when evaluating huge values.

Changes

• Bump the injected cider-nrepl to 0.50.3.
• #3753: Add cider-log-show-frameworks command to show available log frameworks in a buffer.
• #3746: Bring back cider completion style for activating backend-driven completion.

Bugs fixed

• #3742: Restore syntax highlighting of result in the minibuffer.
• #3747: Fix errors when docstring is nil.
• #3757: Fix inspector's def-current-value selecting wrong REPL when multiple are connected.
• #3754: Fix regex in cider-ns-from-p.

Changes

• Bump the injected nREPL version to 1.3.
• #3733: Remove support for sideloading. (this experimental feature was removed from nREPL 1.3)
• Bump the injected cider-nrepl to 0.50.2.
  • Introduce new backend for CIDER tracing functionality (replacing tools.trace).
  • Remove special handling of Boot classpath.

Bugs fixed

• #3722: Call cider-docstring--format after checking argument is not nil.
• #3739: Leiningen jack-in fails when cider-enable-nrepl-jvmti-agent is enabled.

Changes

• #3714: Show progress when evaluating files using cider-load-all-files.
• #3713: Optimize nrepl-dict-get and deprecate its 3-argument arity.
• #3719: Remove duplicated keybinding.
• Bump the injected cider-nrepl to 0.49.1.
  • Reduces the minimal supported Clojure version to 1.10.0 (from 1.10.3).

1.15.0 (2024-06-10)

New features

• #3692: Add ability to switch view modes in the inspector (bound to v).
• #3693: Add cider-enable-nrepl-jvmti-agent defcustom to enable loading native nREPL JVMTI agent which restores thread stop ability on Java 21+.

Changes

• #3691: Deprecate cider-sync-request:inspect-set-* functions in favor of generic inspect-refresh op.
• Bump the injected cider-nrepl to 0.49.0.
• Bump the injected nREPL version to 1.2.0.

Bugs fixed

• #3696: Don't eagerly complete a candidate if there are other candidates matching flex style.
• #3698: Fix error messages in non-JVM runtimes being suppressed when cider-show-error-buffer is set to nil.

New features

• #3681: Add an alternative way to display cheatsheet in a buffer and make it the default.
  • Current cider-cheatsheet command is renamed to cider-cheatsheet-select.
  • New way to display cheatsheet in a buffer is available with cider-cheatsheet command.
• #3686: Add an alternative way to display cider-cheatsheet-select when called with a prefix argument.
• #3632: Add new configuration variable cider-clojure-cli-global-aliases.
• #3366: Support display of error overlays with #dbg! and #break! reader macros.
• #3622: Basic support for using CIDER from clojure-ts-mode.
  • The clojure-mode dependency is still required for CIDER to function.
  • Some features like cider-dynamic-indentation and cider-font-lock-dynamically do not work with clojure-ts-mode (yet).
• #3624: Support new cider.clj-reload/reload cider-nrepl middleware.
  • adds cider-ns-code-reload-tool defcustom, defaulting to 'tools.namespace.
  • you can change it to 'clj-reload to use clj-reload instead of tools.namespace.
• #3682: Add cider-jack-in support for Basilisp (Python)

Changes

• #3626: cider-ns-refresh: jump to the relevant file/line on errors.
• #3628: cider-ns-refresh: summarize errors as an overlay.
• #3660: Fix cider-inspector-def-current-val always defining in user namespace.
• #3661: Truncate echo area output ahead of time.
• #3664: Add customization inspector op to change max nested collection depth.
• Bump the injected enrich-classpath to 1.19.3.
• Bump the injected nREPL to 1.1.2.
• Bump the injected cider-nrepl to 0.48.0.
  • Updates Orchard.
• Bump the injected cider-nrepl to 0.48.0.
  • Updates clj-reload.
  • Updates tools.reader.
  • Updates nREPL.
  • Updates Orchard.
  • Updates Logjam.
  • Updates Compliment.
• orchard#245, cider-nrepl#868: Drop support for Clojure 1.9.

Bugs fixed

• #3689: Fix cider-clojuredocs-lookup to show friendly error message if symbol is not found on ClojureDocs.
• #3673: Fix buggy special-display-buffer-names check.
• #3659: Fixes completions when using flex-like completion styles.
• #3600: Fix scittle jack-in when using cider-jack-in-clj.
• #3663: Fix cider-interactive-eval-override invocation.

1.13.1 (2024-02-01)

Bugs fixed

• #3605: avoid cider--error-phase-of-last-exception recursive loop.
• #3613: adapt cider-completion-context.el to upstream changes in Compliment.
• #3587: avoid overlays and messages on stderr that is unrelated to exception handling.

Changes

• #3588: Compatibility with pwsh 7.3 quoting rules.
• Introduce the cider-log-show function.
  • Please refer to the (slightly revamped) CIDER Log Mode guide.
• Bump the injected enrich-classpath to 1.19.0.
• Bump the parseedn required version to 1.2.1.
• Bump the injected cider-nrepl to 0.45.0.
  • Introduces Timbre compatibility for CIDER Log Mode.
  • Fixes JS completions for nested objects.
  • Bundles other fixes and reliability improvements.