Back in November last year we released the last version of LXSession ans since then there are mostly minor changes. The feature to not autostart any applications is the exception to that. See the condensed git log below.

Get the file at sourceforge.net: lxsession-0.4.6.tar.gz, sha1: 5f1dd16b15265484554a7a6be4ce0649474f4bdd

UPDATE!
THIS RELEASE IS BUSTED, DO NOT USE IT!

8577ac1 fixed autostart
531c3a3 use helper shell script to lock the screen
c5e3c1e debian: Update to build from source
f320a38 debian: update with current directory on Debian
7dfdd58 Add an option to add more warnings instead of using maintainer mode.
b93da91 Add option to compile with GTK3
ad4ba23 Also add link to x11 for lxsession-logout
21f44a4 Link directly to X11
1f8c788 Remove new compiler warnings.
ede8d15 Add additional flags for maintainer mode.
a0cc98b Add information of man pages support
4f4f340 Add some CFLAGS for GTK3 migration
ab66e7e Fix compiler warning
8698201 Add another item to .gitignore
65e831b Add more items to .gitignore
d700b1c Add .gitignore
3ba2ea5 Add some improvement to build system, inspired by patch from ID: 3005712
60da412 gtk3 build fixes (apply patch from ID: 3103279)
34deb02 Add support for not launching autostart programs (patch from ID 3103281)
70c7e52 fixed logscreen issue