GNU ELPA - ess

Changes and New Features in 24.01.1:

   • Revert a bug introduced with the ‘ess-request-a-process’ change

   Changes and New Features in 24.01.0:

   • fix docstring warnings in ess-custom

   • :package-version is now set to "VERSION" in ess-custom.  By make
     this is replaced with "24.01.0" (or similar).

   • Better “collaboration” with org-mode Now ‘ess-request-a-process’
     obeys ‘ess-gen-proc-buffer-name-function’, thanks to Ihor
     Radchenko.

   Changes and New Features in 19.04 (unreleased):

   • ESS[R]: When a background command is interrupted with C-g, ESS now
     asks the user if they want to disable background evaluations
     altogether.  This is a resiliency measure against cases where
     background evals cause cascading errors or hangs.

   • ESS[R]: Background commands now propagate errors to Emacs.

   • ESS[R]: Background commands can now be disabled by process instad
     of globally.  For instance when a process has failed to initialize
     properly, background evals are disabled for that particular process
     to avoid cascading errors.  Other processes may still use
     background commands.

   • ESS[R]: ESSR commands are now more robust when ESSR is not in
     scope.  This can happen when using ‘browser()’ in an environment
     that doesn’t inherit from the search path.

   • ESS[R]: Unexpected exits are now detected during startup.  In that
     case an error is thrown with advice about how to recover.

   • ESS[R]: ‘options(width = )’ is now set on startup based on the
     width of the inferior window.

   • ESS[R]: Add support for R projects and start R by default in the
     project folder.

   • ESS[R]: Backticked symbols in the process buffer are no longer
     fontified as strings.

   • ESS[R]: ‘ess-command’ now runs R code in a sandboxed environment.
     Use ‘.ess.environment()’ to inspect the current environment.

   • ESS[R]: Added support for new syntax in R 4.0 and R 4.1.  This
     concerns raw strings, lambda functions, and the pipe operator.

   • ESS[R]: Highlight error locations in rlang style backtraces

   • ESS[R]: Fixed issue that caused ESS-help to hang when usage blocks
     include R comments (#1025).  Fix contributed by Bill Evans.

   • ESS: New ‘ess-elisp-trace-mode’ minor mode.  Toggle it to start or
     stop tracing all ‘ess’-prefixed functions with ‘trace-function’.
     Tracing is useful for debugging background ESS behaviour.

   • ESS[R]: ‘ess-get-help-aliases-list’ now caches the aliases on the R
     side.  This should speed up help lookup when the search path has
     changed and the aliases are read again.

   • ESS: ‘ess-command’ now uses a default timeout of 30 seconds.  It
     should normally be avoided with long-running tasks because it
     causes Emacs to block while the command is running.  If the timeout
     is reached, an error is thrown.  An interrupt is also sent to the
     process in case of early exit.

     This is a behaviour change: you will now have to explicitly opt in
     blocking the whole Emacs UI for more than 30 seconds by supplying a
     larger timeout (use ‘most-positive-fixnum’ for infinity).

   • ESS: ‘ess-wait-for-process’ now returns nil if a timeout is
     reached.

   • ESS: ‘ess-get-words-from-vector’ gains a ‘timeout’ argument.

   • ESS[R]: Fixed performance issue with argument completions.  The
     help summary for the argument is no longer displayed in the echo
     area.  This fixes delays and hangs (#1062).

   • ESS[R]: ‘ess-command’ is now more robust and resilient to hangs and
     custom prompts (#1043).  It also strips continuation prompts (‘+’
     prompts) automatically and reliably (#1116).

   • ESS[R]: ‘ess-command’ now handles sinked consoles correctly.

   • ESS[R]: ‘ess-command’ no longer changes ‘.Last.value’.  As a
     result, background tasks like completions no longer affect the last
     value binding (#1058).

   • ESS[R]: Namespaced evaluation is disable in roxygen examples
     (#1026).  Part of this change is that namespaced evaluation has
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