v0.1.8

• --speaker plays the speaker's music at the title. With the Elite theme beside the
  game, the theme played whichever sound was chosen; it now replaces only the AdLib's music,
  and with the speaker plays only when given with --theme.

v0.1.7

• Closer to the original. The differential tests now also run on states from all the
  missions (real v3.1 saves flown into each mission in the original); they found one byte
  the market list left differently from the original, now the same.
• A broken ELITE.GRF gives no pictures to the game and the screen alike (it gave the
  game some).

v0.1.6

• Two bugs of 1991, mended. Players reported both in the 1990s; the reconstruction
  explains them and Witchspace now mends them: the hold lost a tonne of room for good with
  every Alien Item scooped and sold (and a loaded commander's hold is counted again), and the
  docking computer flew through the station when it started from behind it. --original
  plays them as they were.
• Commanders in the browser. The web page imports saved games (.CDR files, or a zip of
  them: George Hooper's saves for each of the missions, for one) and exports yours as a zip;
  files dropped on the game while it plays are imported too.
• Fixes from an outside review. make wintest sees a failing Windows tool fail, make -j difftest compares only after the build (with that build's tool), and a commander import
  that fails while playing says so over the game.

v0.1.5

• The copy protection takes the right word. Every copy the port was made from had the
  protection's check patched out, so --protection checked a guessed rule and refused the
  novella's words. The game as sold has the check; it is the one used now, confirmed against
  the release's printed list of all 219 answers.
• The theme's second arrangement (b8060010.mp3) is found beside the game's files too.

v0.1.4

• The game as sold in 1991 works. Only copies with the copy protection patched out were
  accepted; the original release (as Ian Bell's Elite archive keeps it) differs from them only
  there, and now plays too.
• The Elite theme at the title. Ian Bell's Elite archive keeps a recording of the Elite
  theme (Aidan Bell's, arranged by C. Abbott). Give it (b8060000.mp3 beside the game's
  files, or on the web page) and the title plays it instead of the Blue Danube; --no-theme
  keeps the original's music. Witchspace does not include the recording.
• Ian Bell's zips on the web page. The page takes his archive's zips as they are, so the
  game as sold plays in the browser too; the download is credited as his copy, through the
  Internet Archive's mirror.
• No graphics driver, no problem. Where no accelerated renderer is available (some
  virtual machines, remote desktops), the game draws in software instead of not starting.
• An icon. A green wireframe ship, made for Witchspace, for the program, its window and
  taskbar, and the web page's tab.
• Windows: no console window. Started from Explorer, the game no longer opens a console
  window beside its own. If it cannot start (no ELITE.EXE beside it), a message box says
  why; from a console it still writes there.
• For developers: the Windows version tested on Windows. From WSL, make wintest
  cross-builds it and runs the tests, a save's replacement and the game itself on Windows;
  make windifftest holds the Windows build to the original routine by routine
  (docs/windows-testing.md).

v0.1.3

• Windows: game folders with non-ASCII names. A copy of the game under, say,
  C:\Users\Jürgen\Games was never found: the program now uses UTF-8 file names (Windows 10
  1903 or later). CI builds the Windows version on every change and checks such a folder.
• Sound after a stall. When the sound device stopped asking for samples for a while (the
  system suspending it), the AdLib's writes could be lost and a note left sounding; they are
  all kept now.

v0.1.2

Fixes from a code audit for edge cases: the game's own bugs, not the original's.

• Lasers. Buying a second laser when more than one mount was free took the money but never
  asked where to fit it (and selling one left it mounted). The mount dialogue opens again.
• No hang without the music. With the AdLib (the default), a missing ADBLUE.MID, or a
  MIDI file whose first track has no time in it, froze the title. The title runs without the
  music now.
• Edited commander files. A commander's checksum is easy to remake, so a save can say
  anything. A name filling all its 9 bytes, a government or tech level out of range, 65535
  kills, or a text with no end made the game read or write outside its memory, or hang. Each
  now stays inside the game's memory, doing what the original does wherever that is safe, and
  a new test (ep_edgecheck) checks every one, under the sanitizers too.
• Drawing. A model's line starting far outside the view was not drawn at all, and a large
  polygon could be filled wrongly on Windows and in the browser.
• In the browser a warning (no sound, damaged pictures) no longer hides the game: it shows
  as a note while you play.
• Smaller things. A --data or --saves folder name too long to keep is refused rather
  than cut short; a game controller unplugged and plugged in again works again.

v0.1.1

Fixes from an outside review (Codex): safer file handling, a fidelity fix, and stricter checks.

• Dust in the original's colours. Space dust was drawn through the general game colours;
  the original's dust routine has its own table of MCGA pixels (ds:2656). It is a separate
  primitive now (EP_PRIM_DUST), and a pixel-level test checks it.
• Broken game files are refused safely. A crafted ELITE.EXE could make the EXEPACK
  decompressor read outside its buffer, and a short ELITE.GRF the picture loader. Both now
  check every length and offset; a new test feeds them tens of thousands of broken files under
  AddressSanitizer and UBSan, in CI.
• Saves are whole or not at all. A commander is written to a temporary file, checked to
  the last byte, then put in place; a failed save is reported by the game, and the old file is
  kept. In the browser, files or commanders the browser's storage will not keep are reported
  instead of silently lost.
• No undefined arithmetic. The dust's steering shifted negative numbers left; the core now
  builds warning-free in Debug too, and the comparisons run clean under the sanitizers.
• Sound. The PC speaker's state is handed to the audio thread under its lock.
• Tests and releases. make difftest fails when a comparison fails or the routines
  cannot be listed (it reported success); an empty test corpus, or a game copy that is not
  Elite Plus, is an error; CI runs a sanitizer build; releases and the web site are
  published only after CI passes.
• Licences. Every download and the web site carry the third-party licences (Nuked OPL3's
  LGPL, SDL2's zlib, and for the web Emscripten's and musl's MIT) and THIRD_PARTY.md, with how to relink with your own Nuked OPL3. The
  README and the interface notes now say precisely what the comparisons prove.

v0.1.0

The first release: Elite Plus (1991), rebuilt as portable C, complete and playable on the
desktop and in the browser.

• The whole game. Title, new game, every station screen and dialogue, trading, equipment,
  the charts, flight and combat with the ship AI, scooping, docking (manual and by computer),
  hyperspace and witchspace, missions, the pause menu and its options, saving and loading
  commanders, keyboard, joystick, mouse and game-controller steering. The copy protection is
  reconstructed but off unless asked for (--protection).
• Sound. The PC speaker's music and effects, and the AdLib's: its driver's MIDI player for
  the title music and its effects interpreter in flight, played on an emulated OPL2 (Nuked
  OPL3). The AdLib is the default; --speaker chooses the speaker.
• Faithful by test. Every reconstructed routine is checked against the original running
  in an emulator: the same memory, the same drawing, the same sounds, byte for byte, over
  real game states and random variations of them; the whole start-up and a game from the
  title into space are compared too. The original's quirks are kept; its two known bugs are
  described in re/FLIGHT.md. The reconstruction agrees with the original's manual.
• No original data. The game's tables, texts and models are read from your copy of
  ELITE.EXE at start-up (as released, EXEPACK-compressed, or unpacked), with its pictures
  from ELITE.GRF and its music from ADBLUE.MID. The game looks for them beside itself, in
  any case of file name.
• In the browser at https://rembish.github.io/witchspace/: the page takes the three
  files from your copy, or from the Internet Archive's once you agree, and keeps them in the
  browser.
• For developers. CI (gcc and clang with warnings as errors, the web build, formatting,
  the Python tooling); typed Python tools for the reverse engineering and the differential
  tests (ruff, strict mypy); make help.

Not planned: the Roland LAPC-1's music and effects, and the 16-colour EGA/VGA screen modes.