# New features
> Condition Handler
> Fully functional Closures
> Supports supplied-p for &key / &optional arguments
> Allow returns and tagbody on dolist, dotimes, do-symbols
> Allow resetting to previous stacks
> Add name to compiled-code
> Check compiler and compiled version at load-time

> More builtins
  - macrolet fmakunbound cxr *-if *-if-not
  - sys:list-callstack sys:list-all-blocks sys:list-all-tags sys:list-all-function-bindings
> Other minor improvements
  - Catch 0 when loading files from command line
  - Add &optional n in last
  - Allow to use nil as reduce :initial-value
  - Allow null lists at mapc
  - Unlink .o files on 'compile' function
  - Export char functions
  - Supports short float notation
  - Add llib/logger.l
  - Updates to unittest.l engine
  - Add .gitignore (#354)
  - Allow to type-check declared variables on compiled functions

# Bugfix
> Fix segmentation faults and undefined return values
  > 78790863 Fix quotient for one int argument
  > da6904e3 Return T when AND has no arguments
  > ad4b6bf4 Fix logand return value for zero arguments
  > 53431121 Fix * return value for zero arguments
  > e121c42e Avoid segfault on #S() and #J()
  > 2dbcce05 Avoid segfault on 'slot' for non-objects
  > a1f2a390 Avoid segfaults and fix formating in E_NOPACKAGE
  > 8f6d7518 Fix segfaults in get
  > bb26d7d3 Fix segfaults in nbutlast
  > 9a2986de Avoid segmentation faults when copying objects with less than two slots

> Fix memory faults
  > 8149b410 Do not check for unix signals during gc to avoid dead_lock on signal handlers
  > 2183de88 Unwind callframes to avoid memory faults on TAGBODY
  > f62b5ce4 Add eussigobj to shield eussigvec handlers from gc

> Fix locks and irresponsiveness
  > 3074dff0 Check for thread existance in get_free_thread to avoid unnecessary dead locks
  > c1564bb9 Check for interruptions on while loop
  > aaf6352c Add breakck on unix::select
  > Fix hash-table and package symcount (#492)

> Fix other misbehaviors
  > Raise less errors on read_cond (#342)
  > 399506f6 Fix SETELT for array values
  > 6e826f76 Fix &aux compilation when there is &allow-other-keys
  > a6b0f48f Fix: (instance object) is considered as list


# Refactor
> Fix assoc :key behavior (#313) (#436)
> Fix remove/delete/substitute sequence with :end :count (#296)
> Use destructive operations in list-insert and list-delete for 0 index too (#361)
> Raise errors on assert (#363)
> Raise an actual error in the object :error method
> Remove eussig, *signal-handlers*, *error-handler*

> Other minor changes
  > Changes to sys:*gc-hook*, lisp::install-error-handler (still mostly compatible)
  > Return variable name in defconstant
  > Don't overwrite gensym name
  > Prioritize symbol evaluation over function evaluation in the interpreter