[vala/staging] Sync NEWS from 0.46

[Rico Tzschichholz <ricotz src gnome org>]

commit dd89c26d9b65acc887d68d1926f5ba9a6125b435
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Nov 11 08:48:06 2019 +0100

    Sync NEWS from 0.46

 NEWS | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
---
diff --git a/NEWS b/NEWS
index 8ed08eb77..0236f784f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,48 @@
+Vala 0.46.4
+===========
+ * Various improvements and bug fixes:
+  - codegen:
+    + Use G_TYPE_INSTANCE_GET_INTERFACE to get vtable for base-access
+    + Fix setting of generic-type properties for gobject chain up [#654702]
+    + Make type-parameter properties readable [#190]
+    + Reduce code duplications when generation base-access
+  - vala:
+    + Warn when passing arrays to typeof(), except for "string[]" [#868]
+    + Don't falsely resolve binary-expression to bool [#869]
+    + Do not allow += for arrays with fixed length
+    + Infer array length of inline allocated arrays for fields [#644046]
+    + Do not allow to .resize() on arrays with fixed length
+    + Do not allow to change .length of arrays with fixed length
+    + Improve error message for arrays as type arguments
+    + Improve error reporting for invalid interface prerequisites [#437]
+    + Write value of constants/enums in fast-vapi if constant only [#461]
+    + Restore DestroysInstance behaviour for non-compact classes [#873]
+  - parser: `owned` is not allowed on Constants
+  - girparser: Detect and replace "-" in parameter names
+  - girwriter: Add readable="0"/private="1" attribute to type-specific fields
+  - gidl:
+    + Calculate size correctly, avoid use-after-free
+    + Avoid use of uninitialized "markup" warning
+    + Ignore flags like -mfpmath=sse, -msse or -msse2
+  - valadoc:
+    + libvaladoc: Fix parameter and property ownership declarations
+    + Fix ownership declarations of Constants
+  - pkg-config:
+    + vala: Add missing gmodule-2.0 to Requires.private of pkg-config file
+    + libvaladoc: Move gmodule-2.0 to Requires.private of pkg-config file
+
+ * Bindings:
+  - glib-2.0: Guard against passing null source to GLib.Memory.copy()
+  - gio-2.0: Use custom TaskReadyCallback delegate in Task.report*_error()
+  - gstreamer: Update from 1.17.0+ git master
+  - gtk+-3.0: Skip _MountOperationHandler* symbols
+  - gtk4,gtk4-unix-print: Update to 3.96.0+ab407ba5
+  - libusb-1.0: Don't depend on glib-2.0
+  - libusb-1.0: Remove unused private "malloc" binding
+  - linux: Add memfd_create(2)
+  - posix: Bind some essential memory allocation functions
+  - webkit2gtk-4.0: Update to 2.27.2
+
 Vala 0.46.3
 ===========
  * Various improvements and bug fixes: