Caduceus for OM-3 v0.29.3

Caduceus for OM-3 v0.29.3

v0.29.2 plus a remappable Delete button. Firmware camera-tested (2026-11-14, build d1: v0.29.2 with pull request
#40; only its name was changed to v0.29.3).

New (#37)

• The Delete button takes a function while shooting. In photo and video mode, Button Function has a new Delete row
  (the trash can, right after ▼) with the same choices as Fn: for example Magnify, High Res, Digital Teleconverter,
  Subject Detection or movie Start / Stop. Set to Off it does what it always did (for example Multiple Exposure's frame
  delete).
• Unchanged: in playback Delete still erases photos, and in text entry (like naming a custom mode) it still deletes
  a letter.

Thanks: the Delete button is by crombach, who also opened #37 and tested it on their
own OM-3.

Make it and copy it: run the launcher and press Return (or python3 firmware/patch.py --release v0.29.3). Copy only
DCOLYMP and flash it (hold OK, then switch the camera on). Your films, custom modes and button settings stay in the
camera.

Everything else, including the custom-mode fix of v0.29.2 and the optional extras (LOOKS.BIN
with the colour-matched standard 20, DEBUG.TXT, the photo code kit), is as in v0.29.2. Going back: make v0.29.2 and
copy its DCOLYMP.

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the optional extras and the
expected checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.29.2

Caduceus for OM-3 v0.29.2

v0.29.1 with one fix: custom modes (C1–C5) now work with your films. Firmware camera-tested (2026-11-14, build k6;
only its name was changed to v0.29.2).

Fixed (#41)

• Custom modes no longer change your films. Turning the mode dial to a custom mode swaps in the picture settings
  saved in it. Before, your film stayed selected, so the camera shot the film mixed with those settings, and the next
  film you picked saved them into the film you left (it got a "*"). Now each film keeps its own settings in every mode.
• Each custom mode brings back the films it was assigned with. When you Assign a custom mode (Shooting menu 1 ›
  Custom Mode › C1–C5 › Assign › Set), the films you're using then (and which COLOR you're on) are kept with it.
  Turning to that custom mode brings them back right away; turning back to P / A / S / M brings back the films you had
  there. Also after switching off and on, even with the dial moved while the camera was off.
• Save Settings: Hold is followed too: a custom mode set to Hold keeps the films you pick while in it; one set to
  Reset (the camera's default) goes back to its assigned films when you leave it.
• Recall (Custom Mode › C1–C5 › Recall) brings that custom mode's films into the mode you're in.
• The Creative Dial's own film memory (v0.27) now only acts when you turn the Creative Dial, so it no longer undoes a
  custom mode's films.

After updating: assign your custom modes once more (Shooting menu 1 › Custom Mode › Cn › Assign › Set) so they
note their films; custom modes assigned before v0.29.2 keep the films you're on.

Make it and copy it: run the launcher and press Return (or python3 firmware/patch.py --release v0.29.2). Copy only
DCOLYMP and flash it (hold OK, then switch the camera on). Your films stay in the camera.

Everything else, including the optional extras (LOOKS.BIN with the colour-matched standard 20, DEBUG.TXT, the photo
code kit), is as in v0.29.1. Going back: make v0.29.1 and copy its DCOLYMP; the films stay in
the camera either way.

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the optional extras and the
expected checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.29.1

Caduceus for OM-3 v0.29.1

v0.29 with one fix: your films now load with no card in the camera. Firmware camera-tested (2026-11-13, build n1;
only its name was changed to v0.29.1).

Fixed

• No films without a card (#38): in v0.29 the films are
  kept in the camera, but with no card in it the Picture Mode list showed only COLOR 1–4. The film load at the first
  half-press still waited for the camera to report a card. Now, with no card, the films, your changes and the Extras load
  from the camera's own memory at the first half-press. With a card in, everything works as in v0.29.

Small side effect: if a card with new films (LOOKS.BIN) isn't ready yet at that first half-press, the camera takes
the new films at the next switch-on instead.

Still the same: the films load at the first half-press after switching on, not at switch-on itself. Loading them at
switch-on is planned, but the automatic load of v0.26.2 / v0.27 could rarely freeze the camera at start-up, so it needs
another way in.

Make it and copy it: run the launcher and press Return (or python3 firmware/patch.py --release v0.29.1). Copy only
DCOLYMP and flash it (hold OK, then switch the camera on). Coming from v0.29: nothing else to do, your films stay in
the camera. Coming from v0.28 or older: as for v0.29, leave your OM3MOD files on the card for the first start (see the
v0.29 notes).

Everything else, including the optional extras (LOOKS.BIN with the colour-matched standard 20, DEBUG.TXT, the photo
code kit), is as in v0.29. Going back to v0.29: make v0.29 and copy its DCOLYMP; the films stay
in the camera either way.

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the optional extras and the
expected checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.29

Caduceus for OM-3 v0.29

Your films, edits and Extras settings now live inside the camera, so any SD card works. Firmware camera-tested
(2026-11-13, build f2; only its name was changed to v0.29), the same firmware as the v0.29-beta test version.

New on the camera

• Films in the camera's own memory: the 20 films, the changes you make to them on the camera and the Extras
  settings are kept in the camera, in the memory where it keeps its own menu settings (a part of it OM's firmware
  1.1 doesn't use). The camera saves it when you go back to shooting from a menu or Picture Mode, and when you switch
  off. On the first start with this version the camera copies your card's LOOKS.BIN, EDITS.BIN and BUNDLES.BIN
  into its memory once; after that a card without them, or a blank card, still has your films.
• Everything else is built into the firmware: GUIDES.BIN (guide pictures and the code for Glow / Clarity, grain
  and the Extras), LABELS.BIN and TONES.BIN are part of the firmware now. Copies on a card are ignored. A card with
  no OM3MOD folder at all works in full.
• New films from the Control Panel: export LOOKS.BIN and copy just that file to OM3MOD on the card. At the next
  half-press the camera takes the films if it never had that set (any change in the Control Panel makes a set
  new), keeping your selection, your Extras and the changes you made on the camera to films you didn't change. A card
  with films the camera already had, like an old card, is ignored, so it can't put old films back.
• No copies on the card: the camera no longer writes LOOKS.BIN, EDITS.BIN or BUNDLES.BIN to the card. So the
  Control Panel can't read changes you made on the camera from the card; it works from your saved list.
• Debug log (DEBUG.TXT in OM3MOD): says where the films came from; missing film files on the card are normal.

All of this was tested on the camera: two battery pulls with the camera's own settings unchanged, a card without
films, a card with no OM3MOD folder (films, Glow and grain), and new films from a Control Panel export.

Films and Control Panel: the optional LOOKS.BIN holds the standard 20 as in the Control Panel now: 18 films
colour-matched to film scans of a colour chart (Portra 160 / 400 / 800, Gold 200, ColorPlus 200, Ektar 100, Ektachrome
E100, Velvia 50, Provia 100F, Pro 400H, Pro 160S, NPS 160, NHG II 800, Superia 400, Fuji C200, Fujifilm 200 / 400,
Natura 1600) plus CineStill 800T and Kodachrome 64. These looks are new and previewed in the Control Panel; they
haven't been shot on a camera yet. Copying it replaces your films (the camera takes it once). The Control Panel also
draws the Shadows / Highlights wheels as the camera does now, opens a film from your own LUT or Lightroom preset, and
explains the v0.29 card rules under Install and Export.

Make it and copy it: run the launcher and press Return (or python3 firmware/patch.py --release v0.29). Copy only
DCOLYMP and flash it (hold OK, then switch the camera on). Updating from an earlier version: leave your OM3MOD
files on the card for the first start (the camera copies them in once); after that the card needs nothing of ours.
Coming from v0.29-beta: your camera already has its films; flashing v0.29 keeps them.

Good to know:

• A camera Reset in the menu or an OM firmware update probably clears this memory: the camera then copies a
  card's LOOKS.BIN (and EDITS.BIN, BUNDLES.BIN) again as on a first start. Keep a LOOKS.BIN of your films.
• Pulling the battery right after a change, before leaving the menu or switching off, can lose that last change.

Going back to v0.28: make v0.28 and copy all its files (DCOLYMP, GUIDES.BIN, LABELS.BIN, TONES.BIN).
v0.28 reads the films from the card again: your card's LOOKS.BIN, EDITS.BIN and BUNDLES.BIN as they were when you
installed v0.29. Changes made under v0.29 stay in the camera's memory, which v0.28 doesn't read.

Thanks: the research and design behind keeping the films in the camera are by iancw
(#35, #36).

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the optional extras
(LOOKS.BIN, DEBUG.TXT, the photo code kit, unchanged from v0.28) and the expected checksums. Full list of changes:
CHANGELOG.

Caduceus for OM-3 v0.28

Caduceus for OM-3 v0.28

Halation, finer split toning, a WB for every film, Blacks / Whites as one grid, and each photo's code now records
the film as you set it. Firmware camera-tested (2026-11-12, build pc1; only its name was changed to v0.28).

New on the camera

• Halation: the red glow around bright lights of cinema film (CineStill and others), as its own Picture Mode row
  "Halation", 0 to 5, with or without Glow. A soft glow that fades in bright daylight scenes, with grain and bursts
  too. Saving a photo with Halation on takes a little longer. Method after Caduceus for the E-P7 by cakelesscoder.
• Gentler, finer split toning: the Shadows and Highlights wheels run 0 to 10 in half steps and only add a colour.
  10 is the old +5, so your films keep their look (a 2 now reads 4). New Tone Balance row right under HSL, −5 to
  +5: minus lets the shadow colour reach further into the picture, plus the highlight colour.
• Each film remembers its WB: every FILM and COLOR keeps the WB you last used with it (any mode, Custom WB with
  its Kelvin), as it keeps its HSL. Picking it brings that WB back; one that never had its own WB gets Auto.
• Blacks / Whites as one grid: the Blacks and Whites rows become one row with a grid like the WB shift grid
  (Blacks left / right, Whites up / down), now −7 to +7 each with the same step size. The row shows a "B/W ±" icon
  with the values under it; at 0 / 0 the B/W and WB rows show their icon alone, bigger.
• The film in the photo, as you set it: the code in each FILM photo's EXIF (om3.1) now holds the film as it was set
  when you took the photo, with your changes on the camera, Halation, Tone Balance and the camera's WB. Older readers
  still read it.
• The * for a changed film now also counts split toning, Halation, Tone Balance and WB, and shows on the super
  control panel too (FILM N*).

Control Panel (the site): Halation, Tone Balance, the 0–10
wheels, a WB mode per film (previewed as if the photo was taken in daylight) and the Blacks / Whites grid, with
previews. Choose v0.28 or later under Export › Firmware on the camera (older choices leave the new settings out).

Make it and copy it: run the launcher and press Return (or python3 firmware/patch.py --release v0.28). Copy
DCOLYMP (flash it: hold OK, then switch the camera on) and the OM3MOD files GUIDES.BIN and LABELS.BIN (both
new: always copy them with this firmware) and TONES.BIN (as v0.27.1). Keep your EDITS.BIN, NAMES.BIN and
BUNDLES.BIN. The optional LOOKS.BIN holds the 20 film sims as in v0.27.1 (it replaces your films).

Going back to v0.27.1: first set Blacks and Whites within ±5 on COLOR 1–4 (v0.27.1 resets a COLOR's saved
settings when they are past ±5). Then make v0.27.1 and copy all its files, its GUIDES.BIN and LABELS.BIN included.
v0.27.1 doesn't use Halation, Tone Balance or the films' WB memory and may clear them from your saved film changes,
and a split tone set to an odd number (1, 3, 5, 7, 9) shows as the opposite colour there.

Optional extras: DEBUG.TXT (copy it into OM3MOD only if you're asked for a log) and
caduceus-om3-photo-code-kit.zip (for developers: now reads Halation, Tone Balance, the WB and split toning 0–10).

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the card files, the optional
extras and the expected checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.29-beta

Caduceus for OM-3 v0.29-beta (test version)

Your films, edits and Extras settings now live inside the camera, so any SD card works. A test version of v0.29
for trying it early: v0.28 stays the main release. The firmware is the build tested on the camera on 2026-11-13
(build f2, after f1 and the probe mp1); only its name was changed to v0.29-beta.

New on the camera

• Films in the camera's own memory: the 20 films, the changes you make to them on the camera and the Extras
  settings are kept in the camera, in the memory where it keeps its own menu settings (a part of it OM's firmware
  1.1 doesn't use). The camera saves it when you go back to shooting from a menu or Picture Mode, and when you switch
  off. On the first start with this version the camera copies your card's LOOKS.BIN, EDITS.BIN and BUNDLES.BIN
  into its memory once; after that a card without them, or a blank card, still has your films.
• Everything else is built into the firmware: GUIDES.BIN (guide pictures and the code for Glow / Clarity, grain
  and the Extras), LABELS.BIN and TONES.BIN are part of the firmware now. Copies on a card are ignored. A card with
  no OM3MOD folder at all works in full (camera-tested: films, Glow and grain).
• New films from the Control Panel: export LOOKS.BIN as before and copy just that file to OM3MOD on the card.
  At the next half-press the camera takes the films if it never had that set (any change in the Control Panel
  makes a set new), keeping your selection, your Extras and the changes you made on the camera to films you didn't
  change. A card with films the camera already had, like an old card, is ignored, so it can't put old films back.
• No copies on the card: the camera no longer writes LOOKS.BIN, EDITS.BIN or BUNDLES.BIN to the card. So the
  Control Panel can't read changes you made on the camera from the card any more; it works from your saved list.
• Debug log (DEBUG.TXT in OM3MOD): says where the films came from ("the camera", "the card (films the camera
  never had)", "the card (first time)"); missing film files on the card are normal now.

Redesigned films: the optional LOOKS.BIN holds the 20 film sims redesigned as "signature" looks, compared with
real photos taken on each film (CineStill 800T sets Custom WB 3200 K and has Halation 3; CineStill 400D Halation 2).
It replaces your films; the camera takes it once. The live Control Panel keeps v0.28's films until v0.29 is the main
release; exporting LOOKS.BIN from it works with this version as before.

Make it and copy it: in this version's download, run the launcher and press Return (it makes v0.29-beta), or
python3 firmware/patch.py --release v0.29-beta. Copy only DCOLYMP and flash it (hold OK, then switch the camera
on). Leave your OM3MOD files on the card for the first start (the camera copies them in once); after that the card
needs nothing of ours.

Good to know (test version):

• A camera Reset in the menu or an OM firmware update probably clears this memory: the camera then copies a
  card's LOOKS.BIN (and EDITS.BIN, BUNDLES.BIN) again as on a first start. Keep a LOOKS.BIN of your films.
• Pulling the battery right after a change, before leaving the menu or switching off, can lose that last change.
• If the camera ever refused its saved settings it would reset all its own settings; that never happened in the
  tests (two battery pulls and many restarts on the owner's OM-3), but it is why this is a test version.

Going back to v0.28: make v0.28 and copy all its files (DCOLYMP, GUIDES.BIN, LABELS.BIN, TONES.BIN).
v0.28 reads the films from the card again: your card's LOOKS.BIN, EDITS.BIN and BUNDLES.BIN as they were when you
installed v0.29-beta. Changes made under v0.29-beta stay in the camera's memory, which v0.28 doesn't read.

Thanks: the research and design behind this (where the camera keeps its settings, and keeping our data there) are
by iancw (#35,
#36).

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the optional extras
(LOOKS.BIN, DEBUG.TXT, the photo code kit, unchanged from v0.28) and the expected checksums. Full list of changes:
CHANGELOG.

Caduceus for OM-3 v0.28-alpha (test version)

Caduceus for OM-3 v0.28-alpha (test version)

A test version of v0.28 for trying the new features early. It is not the main release: v0.27.1 stays the
current version, and the Control Panel doesn't know these features yet. The firmware is the build tested on the
camera on 2026-11-12 (build g5); only its name was changed to v0.28-alpha.

New on the camera

• Halation: the red glow around bright lights of cinema film (CineStill and others), as its own Picture Mode row
  "Halation", 0 to 5, with or without Glow. A soft glow that fades in bright daylight scenes, with grain and bursts
  too. Saving a photo with Halation on takes a little longer. Method after Caduceus for the E-P7 by cakelesscoder.
• Gentler, finer split toning: the Shadows and Highlights wheels run 0 to 10 in half steps and only add a colour.
  10 is the old +5, so your films keep their look (a 2 now reads 4). New Tone Balance row right under HSL, −5 to
  +5: minus lets the shadow colour reach further into the picture, plus the highlight colour.
• Each film remembers its WB: every FILM and COLOR keeps the WB you last used with it (any mode, Custom WB with
  its Kelvin), as it keeps its HSL. Picking it brings that WB back; one that never had its own WB gets Auto.
• Blacks / Whites as one grid: the Blacks and Whites rows become one row with a grid like the WB shift grid
  (Blacks left / right, Whites up / down), now −7 to +7 each with the same step size. The row shows a new "B/W ±"
  icon with the values under it. At 0 / 0 the B/W and WB rows show their icon alone, bigger.
• The * for a changed film now also counts split toning, Halation, Tone Balance and WB, and shows on the super
  control panel too (FILM N*).

Not in this version yet

• The Control Panel (the website) has no Halation, Tone Balance, film WB or Blacks / Whites past ±5 yet, and its
  split-toning preview uses the old scale. Set these on the camera. A LOOKS.BIN from today's Control Panel still
  loads: its films start with Halation off, Tone Balance 0 and no WB of their own (Auto).
• Custom crop modes come later in v0.28.

Make it and copy it: download this release's Source code (zip), unzip it and run the launcher (it makes
v0.28-alpha). Copy DCOLYMP (flash it: hold OK, then switch the camera on) and the OM3MOD files GUIDES.BIN and
LABELS.BIN (both new: always copy them with this firmware) and TONES.BIN (same as v0.27.1). Keep your
EDITS.BIN, NAMES.BIN and BUNDLES.BIN. The optional LOOKS.BIN holds the 20 film sims as in v0.27.1 (it
replaces your films).

Going back to v0.27.1: first set Blacks and Whites within ±5 on COLOR 1–4 (v0.27.1 resets a COLOR's saved
settings when they are past ±5). Then make v0.27.1 from its own release and copy all its files, its GUIDES.BIN and
LABELS.BIN included. v0.27.1 doesn't use Halation, Tone Balance or the films' WB memory and may clear them from your
saved film changes, and a split tone set to an odd number (1, 3, 5, 7, 9) shows as the opposite colour there.

Optional extra: DEBUG.TXT (copy it into OM3MOD only if you're asked for a log).

The files here are the patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the card files, the optional
extras and the expected checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.27.1

Caduceus for OM-3 v0.27.1

A fix for a rare freeze at switch-on.

• Now and then the camera could start with the live view on but nothing else loaded, and the power switch didn't turn it
  off (a battery pull fixed it). It came from loading the films automatically while the camera was still starting.
  v0.27.1 loads them at your first half-press instead, as up to v0.26.1: switch on, half-press once, and your films
  are there. Until then the screen may show the plain COLOR look.
• Everything else is v0.27: all four arrow keys in Button Function, the Creative Dial modes with a film per position,
  the film's name and recipe in every JPEG, the optional debug log.
• Firmware camera-tested (2026-11-11, build na1).

Copy to the card: DCOLYMP (flash it: hold OK, then switch the camera on) and the OM3MOD file GUIDES.BIN
(made for this firmware: always copy it with it). LABELS.BIN, TONES.BIN and the optional LOOKS.BIN are the same as
v0.27. Keep your EDITS.BIN, NAMES.BIN and BUNDLES.BIN.

Optional extras: DEBUG.TXT (copy it into OM3MOD only if you're asked for a log) and
caduceus-om3-photo-code-kit.zip (for developers; now with a real camera sample photo).

Make it: run the launcher and press Return (or python3 firmware/patch.py --release v0.27.1). The files here are the
patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the card files, the optional extras and the expected
checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.27

Caduceus for OM-3 v0.27

Your buttons, your Creative Dial, and the film saved in every photo.

• All four arrow keys in Button Function: set the arrow pad (✥) to Direct Function and each of ▲ ◀ ▶ ▼ gets its
  own row with the full list of functions. Built on the up-key research by
  ryanbughuang: thank you.
• Creative Dial modes: four new rows in Button Function, CRT, ART, COLOR and MONO, one for each position of the
  front Creative Dial. Set any position to CRT, ART, COLOR or MONO (Normal = its usual mode). Every position set to
  COLOR remembers its own COLOR or FILM, so you can have four COLOR positions with four different films. After you
  switch the camera on, a position's setting takes effect at the first half-press or dial turn.
• The new rows look like the camera's own, and the body pictures beside them highlight the right control and point
  to the right row.
• The film in the photo: every JPEG taken on a FILM keeps the film's name in its EXIF (Image Description:
  FILM 9 Velvia 50) and its whole recipe as a short code in the User Comment (... om3.1.ERAP____ABAA...).
  Open the JPEG in the Control Panel (Open..., or paste the comment with Paste link) and the film is added to your
  films. Codes stay readable by future versions.
• For developers: caduceus-om3-photo-code-kit.zip reads the recipe from a photo on any website or app (a
  JavaScript reader, test examples, a demo page, the field table). Also in the repository at devkit/photo-code/.
• Optional debug log: copy DEBUG.TXT into OM3MOD only if you're asked for a log; the camera then writes
  OM3MOD/CADLOG.TXT. Delete DEBUG.TXT to turn it off. It isn't part of the normal card files.
• Everything from v0.26.2 stays. The movie menu is unchanged.
• Firmware camera-tested (2026-11-11, build dr7).

Copy to the card: DCOLYMP (flash it: hold OK, then switch the camera on) and the OM3MOD file GUIDES.BIN
(made for this firmware: always copy it with it). LABELS.BIN and TONES.BIN are the same as v0.26.2. The optional
LOOKS.BIN (the 20 film sims; it replaces your own films) has Gold 200's and CineStill 800T's split tone moved to the
Highlights wheel, as designed; the other 18 are as v0.26.2. Keep your EDITS.BIN, NAMES.BIN and BUNDLES.BIN.

Going back to v0.26.2 or older: flash that version with its own GUIDES.BIN; your files still work. The extra arrow key
and dial rows go away with it.

Make it: run the launcher and press Return (or python3 firmware/patch.py --release v0.27). The files here are the
patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the card files, the optional extras and the expected
checksums. Full list of changes: CHANGELOG.

Caduceus for OM-3 v0.26.2

Caduceus for OM-3 v0.26.2

Films load at power-on, the dials step through the films, and three fixes.

• No half-press any more: your films and changes load from the card by themselves a moment after the camera
  starts, and live view and the labels follow. (A half-press or OK still loads them too.) This comes from
  fernandezk26's fork: thank you.
• Super control panel: with the Picture Mode cell selected, the dials go COLOR 1–4, then FILM 1–20, and the label
  follows.
• Fix: Film Grain with RAW+JPEG. In v0.25 to v0.26.1 a photo with Film Grain and image quality RAW+JPEG was
  saved, then the screen went black and the camera froze. Fixed: grain works the same with RAW+JPEG and JPEG only.
• Fix: "FILM N" on the shooting screen and in the viewfinder was replaced by "COLOR n" when COLOR n's own
  settings had been changed.
• Fix: bad bytes in EDITS.BIN that could make a film's saved changes unreadable (found by fernandezk26).
• Everything from v0.26.1 stays.
• Firmware camera-tested (2026-11-09, build sd4).

Copy to the card: DCOLYMP (flash it: hold OK, then switch the camera on) and the OM3MOD file GUIDES.BIN
(made for this firmware: always copy it with it). LABELS.BIN, TONES.BIN and the optional LOOKS.BIN (the tuned 20
film sims; it replaces your own films) are the same as v0.26.1. Keep your EDITS.BIN, NAMES.BIN and BUNDLES.BIN.

Going back to v0.26.1 or older: flash that version with its own GUIDES.BIN; your files still work. Half-press
once after switching on again.

Make it: run the launcher and press Return (or python3 firmware/patch.py --release v0.26.2). The files here are the
patch (only the bytes Caduceus for OM-3 adds; no OM firmware), the card files and the expected checksums. Full list of
changes: CHANGELOG.