This is a tracking issue for stabilization of both APIs and gated features.

Library stabilization

Schedule

GUIDE:

• "Land" refers to landing larger changes
• "Stabilize" means marking #[stable], no deep changes anticipated
• Items are checked off when a PR is open for them

Week of Feb 9

• Land: all path/IO reform PRs Add ffi::OsString and OsStr #21488 Add std::process #22119 Rename std::path to std::old_path; introduce new std::path #21759 Expose more of std::path #22208 std: Add a new env module #21787 std: Add io module again #21835 std: Add a new fs module #21936 std: Add a net module for TCP/UDP #22015
• Land: std::env changes std: Tweak the std::env OsString/String interface #22188
• Stabilize: IntoIterator::into_iter
• Stabilize: std::ascii std: Stabilize the ascii module #22024

Week of Feb 16 - alpha2

• Land: Kimundi's revised str API Add a generic string pattern matching API rfcs#528 Basic implementation of the string pattern API #22466
• Land: integer audit (tracking: Audit integer types in the standard library #22240)
• Land: std::ffi::CString changes std: Implement CString-related RFCs #22482
• Land: uses of new io stuff
  • Cargo - Use bourne shell for rustup.sh cargo#360
  • rustc - std: Deprecate std::old_io::fs #22873, std: Stabilize the io module #23292
• Stabilize: std::hash std: Stabilize the hash module #22480
• Stabilize: std::borrow Stabilize std::borrow #22210
• Stabilize: IntoIterator std: Stabilize the IntoIterator trait #22454
• Stabilize: std::marker Implement variance RFC #738  #22286
• Stabilize: std::thread Revise std::thread #22435
• Stabilize: uses of #[derive] Audit #[derive]s in std for stability #22511
• Stabilize: range/iteration story @aturon Deprecate range, range_step, count, distributions #23347

Week of Feb 23

• Land: overflow changes @nikomatsakis Implement arithmetic overflow changes #22532
• RFC: stdin/stdout/stderr - Amend RFC 517: Add material for stdio rfcs#899, std: Implement stdio for std::io #22797
• Deprecate old_io::process - std: Deprecate the old_io::process module #23079
• Deprecate old_io::util - std: Stabilize portions of the io module #23010
• Deprecate old_io::net - std: Deprecate the std::old_io::net primitives #22813
• Deprecate old_io::fs - std: Deprecate std::old_io::fs #22873
• Deprecate old_io::extensions - std: Deprecated the old_io::extensions module #22880
• Land: std::ptr changes (@alexcrichton) - std: Stabilize some ptr functions #22729
• Stabilize: std::env (move to new path) - std: Move std::env to the new I/O APIs #22727, std: Stabilize the env module #22869
• Stabilize: std::process - std: Stabilize the process module #22882
• Stabilize: std::ffi::OsStr/OsString - std: Stabilize the ffi module #22975
• Generic conversation traits, AsSlice, Str: get RFC going again

Week of Mar 2

• Stabilize: some of std::io - std: Stabilize portions of the io module #23010
• Stabilize: std::fs - std: Stabilize the fs module #23081
• Stabilize: std::net - Tweaks to std::net address types rfcs#923, std: Stabilize the net module #23352
• Stabilize: std::ffi::CString - std: Stabilize the ffi module #22975
• Stabilize: Unicode stuff in StrExt + CharExt - std: Stabilize more of the char module #23126
• Land: revisions to Path (probably involving normalization) - @aturon Stabilize std::path #23229
• Finalize RFC: stdin/stdout/stderr - Amend RFC 517: Add material for stdio rfcs#899, std: Stabilize the io module #23292
• Decide on TempDir/temp_dir - std: Stabilize the fs module #23081

Week of Mar 9 - Possible to run serious code on stable Rust

• Stabilize: all of std::io - std: Stabilize the io module #23292
• Stabilize: std::path - Stabilize std::path #23229
• Several of top ten crates run on Rust Stable
• Stabilize: APIs by demand (TBD)
• Land: polish/tweaks (TBD)

Week of Mar 16

• Stabilize: std::error @aturon (needs Reflect) Stabilize the Error trait #23541
• Stabilize: Entry @aturon Stabilize Entry types #23509
• Land: final changes to std::num @aturon Stabilize std::num #23549
• Land: thread_local changes @aturon Implement RFC 909: move thread_local into thread #23557
• Finalize RFC: Generic conversation traits, AsSlice, Str - @aturon RFC: Generic conversion traits rfcs#529 23538

Week of Mar 23

• Stabilize: rt::unwind::try @alexcrichton std: Reexport std::rt::unwind::try in std::thread #23651
• Stabilize: APIs by demand (TBD)
• Land: polish/tweaks (TBD)
• Remove: deprecated features
• Stabilize or remove: thunk - Add (unstable) FnBox trait as a nicer replacement for Thunk.  #23939
• Migrate std::time::Duration to libtime if nothing else has happened

Week of Mar 30 - beta

• Top 10 crates on crates.io can compile on stable - https://etherpad.mozilla.org/rust-crate-stability-blockers

Library grab-bag

This is a non-exhaustive list of APIs to polish/stabilize:

• User requests
• P-backcompat-libs

IO remnants

• Must have: Tracking issue for RFC 517: IO reform #21070
• Normalization for paths - Stabilize std::path #23229
• std::os::platform extensions - std: Stabilize portions of std::os::$platform #23353
• thread::sleep - std: Implement thread::sleep #23330
• reverse DNS lookup std::net lacks reverse DNS lookup #22608

Unicode manipulation

• char::CharExt::encode_utf8
• char::CharExt::to_uppercase - std: Stabilize more of the char module #23126
• str::StrExt::char_at - std: Tweak some unstable features of str #23461
• str::StrExt::char_range_at_reverse - std: Tweak some unstable features of str #23461
• str::StrExt::char_range_at - std: Tweak some unstable features of str #23461
• str::StrExt::escape_default
• str::StrExt::is_char_boundary - std: Tweak some unstable features of str #23461
• str::StrExt::slice_shift_char - std: Tweak some unstable features of str #23461
• unicode::str::utf16_items

std::num

• num::Float::is_nan Stabilize std::num #23549
• num::FromPrimitive
• num::Int::abs Stabilize std::num #23549
• num::cast
• num::f64::to_str_digits
• num::from_str_radix Stabilize std::num #23549

Collections and iteration

• collections::HashMap::with_capacity_and_hash_state
• iter::IteratorExt::cloned
• iter::IteratorExt::partition
• slice::SliceExt::position_elem
• slice::SliceExt::tail
• str::StrExt::split_terminator - Basic implementation of the string pattern API #22466
• vec::Vec::into_boxed_slice

std::ptr, raw

• ptr::Unique
• ptr::copy_memory
• ptr::copy_nonoverlapping_memory
• ptr::set_memory
• ptr::zero_memory
• raw::TraitObject

Probably post 1.0:

• rt::heap::*

Non-library tracking

Crates to move out

• libtest

CLI Tooling

• command line flags - Stability story of compiler flags #19051, rustc: Start "stabilizing" some flags #19900
• lints - Audit lint pass names and functionality for 1.0 #21761