| ID | Status | Owner | Desc |
| 12_30 | DONE | Da | Reverted: disable the default url contructor |
| 12_29 | DONE | Da | file: minor fix on routines without return |
| 12_28 | DONE | Da | Use url_system for the url constructor |
| 12_27 | DONE | Da | file routines should work with url rooted with file |
| 12_26 | DONE | Da | get_root(url_root(file) * u) should be file |
| 12_25 | DONE | Da | file: subdirectories |
| 12_24 | DONE | Da | Fix basename with upcased suffix |
| 12_23 | DONE | Da | url: support customized protocol |
| 12_22 | DONE | jingkaimori | get_stacktrace on tbox |
| 12_21 | DONE | jingkaimori | refactor implementation and interface of file |
| 12_20 | DONE | Da | system/eval_system/var_eval_system on tbox |
| 12_19 | DONE | paradisum | chdir |
| 12_18 | DONE | Da | Remove tmfs |
| 12_17 | DONE | paradisum | append_string on tbox |
| 12_16 | DONE | jingkaimori | Fix corrupted filename on mingw |
| 12_15 | DONE | Da | cerr for debugging on string-load and string-save |
| 12_14 | DONE | Da | is_local_and_single |
| 12_13 | DONE | jinkaimori | save_string on tbox |
| 12_12 | DONE | Pluto | re-impl load_string on tbox |
| 12_11 | DONE | Da | Fix incorrect URL_SEP in get_env |
| 12_10 | DONE | Da | Remove OS_SUN |
| 12_9 | DONE | Da | improve doctests with/without tbox |
| 12_8 | DONE | Da | add_headerfiles System/Files/file.hpp |
| 12_7 | DONE | Da | get_process_id/url_temp/url_temp_dir |
| 12_6 | DONE | Da | move/copy/remove |
| 12_5 | DONE | Da | read_directory |
| 12_4 | DONE | Da | enable force-utf8 and remove win-utf8-compat |
| 12_3 | DONE | Da | get_env/set_env/mkdir/rmdir |
| 12_2 | DONE | Da | Fix as_string on Windows |
| 12_1 | DONE | Da | is_directory/is_symbolic_link/is_regular/is_newer |
