diff --git a/src/testdir/test_expand.vim b/src/testdir/test_expand.vim
index 4f5bb67..cd537f4 100644
--- a/src/testdir/test_expand.vim
+++ b/src/testdir/test_expand.vim
@@ -141,7 +141,7 @@
   if RunVim([], [], '--clean -s Xscript')
     call assert_equal([
           \ 'E1274: No script file name to substitute for "<script>"',
-          \ 'E498: no :source file name to substitute for "<sfile>"'],
+          \ 'E498: No :source file name to substitute for "<sfile>"'],
           \ readfile('Xresult'))
   endif
   call delete('Xscript')
diff --git a/src/testdir/test_tcl.vim b/src/testdir/test_tcl.vim
index a4554bb..bfd7013 100644
--- a/src/testdir/test_tcl.vim
+++ b/src/testdir/test_tcl.vim
@@ -711,7 +711,7 @@
   call assert_fails('tcl exit x', 'expected integer but got "x"')
 
   tcl set foo "foo"
-  call assert_fails('tcl exit 3', 'E572: exit code 3')
+  call assert_fails('tcl exit 3', 'E572: Exit code 3')
 
   " The Tcl interpreter should have been deleted and a new one
   " is re-created with the next :tcl command.
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 36a0ba2..a13e370 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -293,7 +293,7 @@
       var ls: list<string> = []
       ls[-1] ..= 'foo'
   END
-  v9.CheckDefExecAndScriptFailure(lines, 'E684: list index out of range: -1', 2)
+  v9.CheckDefExecAndScriptFailure(lines, 'E684: List index out of range: -1', 2)
 enddef
 
 def Test_assign_register()
@@ -1641,7 +1641,7 @@
       l[g:idx : 1] = [0]
       echo l
   END
-  v9.CheckDefExecAndScriptFailure(lines, 'E684: list index out of range: 3')
+  v9.CheckDefExecAndScriptFailure(lines, 'E684: List index out of range: 3')
 
   lines =<< trim END
       var l = [1, 2]
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index b463743..c9334bc 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -2157,7 +2157,7 @@
     CheckFeature job
   else
     v9.CheckDefAndScriptFailure(['job_getchannel("a")'], ['E1013: Argument 1: type mismatch, expected job but got string', 'E1218: Job required for argument 1'])
-    assert_fails('job_getchannel(test_null_job())', 'E916: not a valid job')
+    assert_fails('job_getchannel(test_null_job())', 'E916: Not a valid job')
   endif
 enddef
 
@@ -2166,7 +2166,7 @@
     CheckFeature job
   else
     v9.CheckDefAndScriptFailure(['job_info("a")'], ['E1013: Argument 1: type mismatch, expected job but got string', 'E1218: Job required for argument 1'])
-    assert_fails('job_info(test_null_job())', 'E916: not a valid job')
+    assert_fails('job_info(test_null_job())', 'E916: Not a valid job')
   endif
 enddef
 
@@ -4071,8 +4071,8 @@
   assert_equal('AX234', res)
 
   if has('job')
-    assert_fails('"text"->substitute(".*", () => test_null_job(), "")', 'E908: using an invalid value as a String: job')
-    assert_fails('"text"->substitute(".*", () => test_null_channel(), "")', 'E908: using an invalid value as a String: channel')
+    assert_fails('"text"->substitute(".*", () => test_null_job(), "")', 'E908: Using an invalid value as a String: job')
+    assert_fails('"text"->substitute(".*", () => test_null_channel(), "")', 'E908: Using an invalid value as a String: channel')
   endif
   v9.CheckDefAndScriptFailure(['substitute(1, "b", "1", "d")'], ['E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1'])
   v9.CheckDefAndScriptFailure(['substitute("a", 2, "1", "d")'], ['E1013: Argument 2: type mismatch, expected string but got number', 'E1174: String required for argument 2'])
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 729e77a..40d759c 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -3114,7 +3114,7 @@
   v9.CheckDefExecAndScriptFailure(['echo g:testblob[2]'], 'E979:', 1)
   v9.CheckDefExecAndScriptFailure(['echo g:testblob[-3]'], 'E979:', 1)
 
-  v9.CheckDefExecAndScriptFailure(['echo g:testlist[4]'], 'E684: list index out of range: 4', 1)
+  v9.CheckDefExecAndScriptFailure(['echo g:testlist[4]'], 'E684: List index out of range: 4', 1)
   v9.CheckDefExecAndScriptFailure(['echo g:testlist[-5]'], 'E684:', 1)
 
   v9.CheckDefExecAndScriptFailure(['echo g:testdict["a" : "b"]'], 'E719:', 1)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 9287ed5..5f42c1c 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -3709,7 +3709,7 @@
 
   var buf = g:RunVimInTerminal('-S XTest_opfunc_error', {rows: 6, wait_for_ruler: 0})
   g:WaitForAssert(() => assert_match('Press ENTER', term_getline(buf, 6)))
-  g:WaitForAssert(() => assert_match('E684: list index out of range: 0', term_getline(buf, 5)))
+  g:WaitForAssert(() => assert_match('E684: List index out of range: 0', term_getline(buf, 5)))
 
   # clean up
   g:StopVimInTerminal(buf)
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index c5c3eb9..7166b13 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -1527,7 +1527,7 @@
       source Xtestscript.vim
     catch /E684/
       # function name should contain <SNR> every time
-      assert_match('E684: list index out of range', v:exception)
+      assert_match('E684: List index out of range', v:exception)
       assert_match('function <SNR>\d\+_Func, line 1', v:throwpoint)
     endtry
   endfor
diff --git a/src/testdir/test_vimscript.vim b/src/testdir/test_vimscript.vim
index 619006f..c9f58c2 100644
--- a/src/testdir/test_vimscript.vim
+++ b/src/testdir/test_vimscript.vim
@@ -3077,7 +3077,7 @@
     endif
   END
   call writefile(code, 'Xtest')
-  call AssertException(['source Xtest'], 'Vim(else):E583: multiple :else')
+  call AssertException(['source Xtest'], 'Vim(else):E583: Multiple :else')
 
   " :elseif after :else
   let code =<< trim END
diff --git a/src/version.c b/src/version.c
index 57dec85..3957325 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4892,
+/**/
     4891,
 /**/
     4890,