diff --git a/src/ex_cmdidxs.h b/src/ex_cmdidxs.h
index 76b6dff..3ad1cd8 100644
--- a/src/ex_cmdidxs.h
+++ b/src/ex_cmdidxs.h
@@ -6,31 +6,31 @@
 static const unsigned short cmdidxs1[26] =
 {
   /* a */ 0,
-  /* b */ 19,
-  /* c */ 43,
-  /* d */ 110,
-  /* e */ 135,
-  /* f */ 162,
-  /* g */ 179,
-  /* h */ 185,
-  /* i */ 194,
-  /* j */ 213,
-  /* k */ 215,
-  /* l */ 220,
-  /* m */ 283,
-  /* n */ 301,
-  /* o */ 321,
-  /* p */ 333,
-  /* q */ 372,
-  /* r */ 375,
-  /* s */ 395,
-  /* t */ 464,
-  /* u */ 510,
-  /* v */ 521,
-  /* w */ 542,
-  /* x */ 556,
-  /* y */ 566,
-  /* z */ 567
+  /* b */ 20,
+  /* c */ 44,
+  /* d */ 111,
+  /* e */ 136,
+  /* f */ 164,
+  /* g */ 181,
+  /* h */ 187,
+  /* i */ 196,
+  /* j */ 216,
+  /* k */ 218,
+  /* l */ 223,
+  /* m */ 286,
+  /* n */ 304,
+  /* o */ 324,
+  /* p */ 336,
+  /* q */ 375,
+  /* r */ 378,
+  /* s */ 398,
+  /* t */ 468,
+  /* u */ 514,
+  /* v */ 525,
+  /* w */ 546,
+  /* x */ 560,
+  /* y */ 570,
+  /* z */ 571
 };
 
 /*
@@ -41,15 +41,15 @@
  */
 static const unsigned char cmdidxs2[26][26] =
 { /*         a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z */
-  /* a */ {  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  4,  5,  6,  0,  0,  0,  7, 15,  0, 16,  0,  0,  0,  0,  0 },
+  /* a */ {  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  5,  6,  7,  0,  0,  0,  8, 16,  0, 17,  0,  0,  0,  0,  0 },
   /* b */ {  2,  0,  0,  5,  6,  8,  0,  0,  0,  0,  0,  9, 10, 11, 12, 13,  0, 14,  0,  0,  0,  0, 23,  0,  0,  0 },
   /* c */ {  3, 12, 16, 18, 20, 22, 25,  0,  0,  0,  0, 33, 38, 41, 47, 57, 59, 60, 61,  0, 63,  0, 66,  0,  0,  0 },
   /* d */ {  0,  0,  0,  0,  0,  0,  0,  0,  8, 18,  0, 19,  0,  0, 20,  0,  0, 22, 23,  0,  0,  0,  0,  0,  0,  0 },
-  /* e */ {  1,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  8, 10, 11,  0,  0,  0,  0,  0,  0,  0, 21,  0, 22,  0,  0 },
+  /* e */ {  1,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  8, 10, 11,  0,  0,  0,  0,  0,  0,  0, 22,  0, 23,  0,  0 },
   /* f */ {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10,  0,  0,  0,  0,  0, 16,  0,  0,  0,  0,  0 },
   /* g */ {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  0,  0,  2,  0,  0,  4,  5,  0,  0,  0,  0 },
   /* h */ {  5,  0,  0,  0,  0,  0,  0,  0,  6,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0 },
-  /* i */ {  1,  0,  0,  0,  0,  3,  0,  0,  0,  4,  0,  5,  6,  0,  0,  0,  0,  0, 14,  0, 16,  0,  0,  0,  0,  0 },
+  /* i */ {  1,  0,  0,  0,  0,  3,  0,  0,  0,  4,  0,  5,  6,  0,  0,  0,  0,  0, 15,  0, 17,  0,  0,  0,  0,  0 },
   /* j */ {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  0,  0,  0,  0,  0 },
   /* k */ {  0,  0,  0,  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0 },
   /* l */ {  3, 11, 15, 19, 20, 25, 28, 33,  0,  0,  0, 35, 38, 41, 45, 51,  0, 53, 62, 54, 55, 59, 61,  0,  0,  0 },
@@ -59,7 +59,7 @@
   /* p */ {  1,  0,  3,  0,  4,  0,  0,  0,  0,  0,  0,  0,  0,  0,  7,  9,  0,  0, 16, 17, 26,  0, 27,  0, 28,  0 },
   /* q */ {  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0 },
   /* r */ {  0,  0,  0,  0,  0,  0,  0,  0, 12,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 14, 19,  0,  0,  0,  0 },
-  /* s */ {  2,  6, 15,  0, 19, 23,  0, 25, 26,  0,  0, 29, 31, 35, 39, 41,  0, 50,  0, 51,  0, 63, 64,  0, 65,  0 },
+  /* s */ {  2,  6, 15,  0, 19, 23,  0, 25, 26,  0,  0, 29, 31, 35, 39, 41,  0, 50,  0, 51,  0, 64, 65,  0, 66,  0 },
   /* t */ {  2,  0, 19,  0, 24, 26,  0, 27,  0, 28,  0, 29, 33, 36, 38, 39,  0, 40, 42,  0, 43,  0,  0,  0, 45,  0 },
   /* u */ {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0 },
   /* v */ {  1,  0,  0,  0,  2,  0,  0,  0,  5,  0,  0,  0, 12, 15,  0,  0,  0,  0, 18,  0, 19,  0,  0,  0,  0,  0 },
@@ -69,4 +69,4 @@
   /* z */ {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0 }
 };
 
-static const int command_count = 584;
+static const int command_count = 588;
diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 8a1ed5e..8ddac37 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -122,6 +122,9 @@
 EXCMD(CMD_aboveleft,	"aboveleft",	ex_wrongmodifier,
 	EX_NEEDARG|EX_EXTRA|EX_NOTRLCOM,
 	ADDR_NONE),
+EXCMD(CMD_abstract,	"abstract",	ex_ni,
+	EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
+	ADDR_NONE),
 EXCMD(CMD_all,		"all",		ex_all,
 	EX_BANG|EX_RANGE|EX_COUNT|EX_TRLBAR,
 	ADDR_OTHER),
@@ -551,6 +554,9 @@
 EXCMD(CMD_endif,	"endif",	ex_endif,
 	EX_TRLBAR|EX_SBOXOK|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
+EXCMD(CMD_endinterface,	"endinterface",	ex_ni,
+	EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
+	ADDR_NONE),
 EXCMD(CMD_endclass,	"endclass",	ex_ni,
 	EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
@@ -734,6 +740,9 @@
 EXCMD(CMD_intro,	"intro",	ex_intro,
 	EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
+EXCMD(CMD_interface,	"interface",	ex_ni,
+	EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
+	ADDR_NONE),
 EXCMD(CMD_isearch,	"isearch",	ex_findpat,
 	EX_BANG|EX_RANGE|EX_DFLALL|EX_WHOLEFOLD|EX_EXTRA|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_LINES),
@@ -1463,6 +1472,9 @@
 EXCMD(CMD_startreplace,	"startreplace",	ex_startinsert,
 	EX_BANG|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
+EXCMD(CMD_static,	"static",	ex_ni,
+	EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
+	ADDR_NONE),
 EXCMD(CMD_stopinsert,	"stopinsert",	ex_stopinsert,
 	EX_BANG|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index b8c6433..7b7b623 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -982,6 +982,8 @@
 
   CheckDefFailure(['var true = 1'], 'E1034:')
   CheckDefFailure(['var false = 1'], 'E1034:')
+  CheckDefFailure(['var null = 1'], 'E1034:')
+  CheckDefFailure(['var this = 1'], 'E1034:')
 
   CheckDefFailure(['[a; b; c] = g:list'], 'E452:')
   CheckDefExecFailure(['var a: number',
diff --git a/src/version.c b/src/version.c
index 15ee76a..17ae9a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2982,
+/**/
     2981,
 /**/
     2980,
diff --git a/src/vim9script.c b/src/vim9script.c
index fbb815c..7078cbe 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -979,6 +979,7 @@
     "true",
     "false",
     "null",
+    "this",
     NULL
 };