all:
+- wxThread class modified to support both detached and joinable threads
+- wxLog functions are now MT-safe
- wxStopWatch class, timer functions have more chances to return correct
results for your platform (use ANSI function where available)
+- buffer overflows in wxString and wxLog classes fixed (if snprintf() function
+ is available)
+- wxArray::RemoveAt() replaces deprectaed wxArray::Remove(index)
wxMSW:
+- tooltips work with wxRadioBox
- arbitrary controls (and not only buttons) can be put into a toolbar
wxGTK:
- wxFontMapper endless recursion bug (on some systems) fixed
+- wxGTK synthesizes wxActivateEvents
- you can use UpdateUI handlers with wxTextCtrl
NOTE: for changes after wxWindows 2.1.0 b4, please see the CVS