[XMA] Default to new xma_decoder and force configs

src/xenia/apu/xma_decoder.cc

@@ -62,7 +62,7 @@ DEFINE_bool(use_dedicated_xma_thread, true,
             "APU");
 
 DEFINE_string(
-    xma_decoder, "old",
+    xma_decoder, "new",
     "Decoder version used to process XMA audio.\n"
     "Use: [fake, master, old, new]\n"
     " fake: \n  No audio will be decoded.\n"
@@ -73,6 +73,8 @@ DEFINE_string(
     "yet finished.\n",
     "APU");
 
+UPDATE_from_string(xma_decoder, 2026, 2, 16, 12, "old");
+
 namespace xe {
 namespace apu {
 

src/xenia/base/cvar.h

@@ -604,7 +604,7 @@ class IConfigVarUpdate {
   // If you're reviewing a pull request with a change here, check if 1) has been
   // done by the submitter before merging.
   static constexpr uint32_t kLastCommittedUpdateDate =
-      MakeConfigVarUpdateDate(2024, 9, 23, 9);
+      MakeConfigVarUpdateDate(2026, 2, 16, 12);
 
   virtual ~IConfigVarUpdate() = default;