0.8.21.31: tweak finalizers, thighten spec further

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index a11e227..b85bd54 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -6,8 +6,10 @@ changes in sbcl-0.8.22 relative to sbcl-0.8.21:
     interrupts enabled.
   * incompatible change: support for *BEFORE-GC-HOOKS* (that have been
     inoperational for a while now) has been completely removed.
-  * Null lexical environments are now printed as #<NULL-LEXENV>, 
+  * null lexical environments are now printed as #<NULL-LEXENV>, 
     significantly reducing the amount of clutter in typical backtraces.
+  * documentation on weak pointers, finalization, and after GC hooks
+    has been added to the manual.
   * optimization: REPLACE on declared (UNSIGNED-BYTE 8) vectors, as well
     as other specialized array types, is much faster.  SUBSEQ and
     COPY-SEQ on such arrays have also been sped up.
@@ -36,6 +38,8 @@ changes in sbcl-0.8.22 relative to sbcl-0.8.21:
   * optimization: type testing for non-vector arrays should be faster.
   * fixed TRACE :ENCAPSULATE NIL, added support for :ENCAPSULATE NIL
     on x86-64
+  * bug fix: setting 31st element of a bit vector to zero did not work
+    on Alpha-32.
   * fixed some bugs related to Unicode integration:
     ** the restarts for recovering from input and output encoding
        errors only appear when there is in fact such an error to
@@ -55,6 +59,8 @@ changes in sbcl-0.8.22 relative to sbcl-0.8.21:
     ** accessing double-floats stored on the stack now works on x86-64.
     ** debugger internals could sometimes create invalid lispobjs, 
        resulting in GC crashes.
+    ** MISC.548: type check weakening can convert required type into
+       optional.
 
 changes in sbcl-0.8.21 (0.9alpha.1?) relative to sbcl-0.8.20:
   * incompatible change: thread support for non-NPTL systems has