diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 7a87de0..07779b4 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.2.  Last change: 2020 Dec 22
+*todo.txt*      For Vim version 8.2.  Last change: 2021 Jan 02
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -38,17 +38,11 @@
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
-Rewrite the section on "magic".  Say that 'magic' is normally on, then this
-happens...  If 'magic' is off, then this is different..
+Reload: How to make sure type of script function hasn't changed?
 
-test_vim9_cmd: uses uninitialized var
+Valgrind: test_vim9_cmd: uses uninitialized var
 
 Vim9 - Make everything work:
-- For an :autocmd and :command argument defined in Vim9 script, if a following
-  line starts with "|" append it.  It's like line continuation. (#6702)
-- The syntax of a range list[a:b] is ambiguous, is this one "a:b" variable or
-  a range from "a" to "b"?  To avoid confusion, require white space before
-  (and after) the colon?  #7409
 - Implement "export {one, two three}".
 - Use "null" for v:null, like true and false?  #7495
 - ISN_CHECKTYPE could use check_argtype()
@@ -59,7 +53,18 @@
 - If a :def function is called with a function reference, compile it to get
   the function type.
 	def Filter(x: string, Cond: func(string): bool)
-	Filter(x, { v -> v =~ '^b' })
+	Filter(x, (v) => v =~ '^b')
+- Make inline function work, to be used as a funcref:
+       let Ref = (arg: type): type => {
+	    statement
+	    return expr
+	}
+       let Ref = (arg: type) => {
+	    statement
+	    statement
+	}
+- implement { cmd } compiled
+- implement { cmd } at script level
 - Expand `=expr` in :next, :argedit, :argadd, :argdelete, :drop
 - Expand `=expr` in :vimgrep, :vimgrepadd, :lvimgrep, :lvimgrepadd
 - Expand `=expr` in :mkspell
@@ -68,8 +73,11 @@
 	map(list, SomeFunc)
 - For builtin functions using tv_get_string*() use check_for_string() to be
   more strict about the argument type.
+- Implement :lockvar and :unlockvar.  How about local variables?  Perhaps only
+  allow this for global variables.  Use :final or :const otherwise.
 - Allow function names that will be script-local to start with lower case
-  letter?
+  letter?  Or also require names with s: prefix to use upper case?
+  Also apply this function references "var ref = SomeFunc"
 - Support passing v:none to use the default argument value. (#6504)
 - Make map() give an error if the resulting type of the first argument is
   wrong.  Only works if the type is known?  Is this slow (need to go over all
@@ -98,7 +106,7 @@
 - Implement using imported items at script level from "import * as X" in
   eval_variable().  Should pass the ".xxx" that follows and return that.
 - Disallow unlet for local/script/imported vars
-- Make "++nr" work.
+- Make "++nr" work.  "++g:count" doesn't work, thinks it is a range.
 - Make closures work:
   - Create closure in a loop.  Need to make a list of them.
   - nested closure only uses one context, not all (#7150)
@@ -144,10 +152,6 @@
 - compile options that are an expression, e.g. "expr:" in 'spellsuggest',
   'foldexpr', 'foldtext', 'printexpr', 'diffexpr', 'patchexpr', 'charconvert',
   'balloonexpr', 'includeexpr', 'indentexpr', 'formatexpr'.
-- Make inline function work, to be used as a funcref:
-	let ref = def(arg: type): rettype
-	    body
-	enddef
 - compile get_lambda_tv() in popup_add_timeout()
 - inline call to map() and filter()
 - compile "skip" argument of searchpair()
@@ -224,6 +228,7 @@
   with another Vim instance.
 
 Terminal emulator window:
+- Can escape a terminal popup with win_gotoid(), should be an error
 - No support for underline color, t_8u.
 - When in terminal-Normal mode when the job finishes, the cursor jumps to the
   end but the window is not updated.  This only happens when typing "a".
@@ -276,6 +281,8 @@
 Patch to implement the vimtutor with a plugin: #6414
 Was originally written by Felipe Morales.
 
+Patch to find Python dll using registry key. (#7540)
+
 Remove SPACE_IN_FILENAME ? It is only used for completion.
 
 Making breakat support multibyte characters (Yasuhiro Matsumoto, #6598)
@@ -663,6 +670,38 @@
 'sessionoptions', making it impossible to have a session with a relative path.
 (#4450)
 
+Session file only contains local option values for buffers that are in a
+window, not other buffers. (#7532)
+
+Script generated by :mksession does not work well if there are windows with
+modified buffers
+  change "silent only" into "silent only!"
+  change "edit fname" of first buffer to "hide edit fname"
+  skip "badd fname" if "fname" is already in the buffer list
+  remove remark about unloading buffers from documentation
+
+When session file has name in argument list but the buffer was deleted, the
+buffer is not deleted when using the session file. (#1393)
+Should add the buffer in hidden state.
+
+When a session file is created and there are "nofile" buffers, these are not
+filled.  Need to trigger BufReadCmd autocommands.  Also handle deleting the
+initial empty buffer better. (ZyX, 2015 March 8)
+
+Setting the spell file in a session only reads the local additions, not the
+normal spell file. (Enno Nagel, 2014 Mar 29)
+
+Directory wrong in session file, caused by ":lcd" in BufEnter autocommand.
+(Felix Kater, 2009 Mar 3)
+
+Something wrong with session that has "cd" commands and "badd", in such a way
+that Vim doesn't find the edited file in the buffer list, causing the
+ATTENTION message?  (Tony Mechelynck, 2008 Dec 1)
+Also: swap files are in ~/tmp/  One has relative file name ".mozilla/...".
+
+'foldcolumn' in modeline applied to wrong window when using a session. (Teemu
+Likonen, March 19)
+
 When using a timer callback vgetc_busy is reset, allowing for using input().
 But in a channel callback this does not happen.  We need to do something
 similar to check_due_timer().  Also see #3809.
@@ -852,13 +891,6 @@
 Win32 key codes are messy.  Mike Williams tried to fix that, but now old
 mappings no longer work.  Create a new terminal for the better solution?
 
-Script generated by :mksession does not work well if there are windows with
-modified buffers
-  change "silent only" into "silent only!"
-  change "edit fname" of first buffer to "hide edit fname"
-  skip "badd fname" if "fname" is already in the buffer list
-  remove remark about unloading buffers from documentation
-
 Compiler warnings (geeknik, 2017 Oct 26):
 - signed integer overflow in do_sub() (#2249)
 - signed integer overflow in get_address() (#2248)
@@ -1120,7 +1152,7 @@
 #2089)  Patch with possible solution by Björn Linse.
 
 The change list index is local to a buffer, but it doesn't make sense using it
-for another buffer.  (lacygoll) Copy w_changelistidx to wininfo_S and back.
+for another buffer.  (lacygolil) Copy w_changelistidx to wininfo_S and back.
 
 X11: Putting more than about 262040 characters of text on the clipboard and
 pasting it in another Vim doesn't work.  (Dominique Pelle, 2008 Aug 21-23)
@@ -1227,10 +1259,6 @@
 import can't be used in define option when include matches too.
 (Romain Lafourcade, 2017 Jun 18, #1519)
 
-When session file has name in argument list but the buffer was deleted, the
-buffer is not deleted when using the session file. (#1393)
-Should add the buffer in hidden state.
-
 Wrong diff highlighting with three files. (2016 Oct 20, #1186)
 Also get E749 on exit.
 Another example in #1309
@@ -1689,10 +1717,6 @@
 
 Patch to add a "literal" argument to bufnr().  (Olaf Dabrunz, 2015 Aug 4)
 
-When a session file is created and there are "nofile" buffers, these are not
-filled.  Need to trigger BufReadCmd autocommands.  Also handle deleting the
-initial empty buffer better. (ZyX, 2015 March 8)
-
 Extended file attributes lost on write (backupcopy=no).  Issue 306.
 
 Patch to add :lockjumps. (Carlo Baldassi, 2015 May 25)
@@ -1821,9 +1845,6 @@
 - Development work on plugins (although diff with distributed version would be
   useful).
 
-Setting the spell file in a session only reads the local additions, not the
-normal spell file. (Enno Nagel, 2014 Mar 29)
-
 When typing the first character of a command, e.g. "f", then using a menu, the
 menu item doesn't work.  Clear typeahead when using a menu?
 
@@ -2472,9 +2493,6 @@
 height.  Also happens when there is another window in the frame, if it's not
 very high. (Yegappan Lakshmanan, 2010 Jul 22, Michael Peeters, 2010 Jul 22)
 
-Directory wrong in session file, caused by ":lcd" in BufEnter autocommand.
-(Felix Kater, 2009 Mar 3)
-
 Session file generates error upon loading, cause by --remote-silent-tab.
 (7tommm (ytommm) 2010 Nov 24)
 
@@ -2534,11 +2552,6 @@
 "gqip" in Insert mode has an off-by-one error, causing it to reflow text.
 (Raul Coronado, 2009 Nov 2)
 
-Something wrong with session that has "cd" commands and "badd", in such a way
-that Vim doesn't find the edited file in the buffer list, causing the
-ATTENTION message?  (Tony Mechelynck, 2008 Dec 1)
-Also: swap files are in ~/tmp/  One has relative file name ".mozilla/...".
-
 MS-Windows: editing the first, empty buffer, 'ffs' set to "unix,dos", ":enew"
 doesn't set 'ff' to "unix".  (Ben Fritz, 2008 Dec 5) Reusing the old buffer
 probably causes this.
@@ -2735,9 +2748,6 @@
 ":echoe" in catch block stops processing, while this doesn't happen outside of
 a catch block. (ZyX, 2011 Jun 2)
 
-'foldcolumn' in modeline applied to wrong window when using a session. (Teemu
-Likonen, March 19)
-
 Test 54 uses shell commands, that doesn't work on non-Unix systems.  Use some
 other way to test buffer-local autocommands.