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@@ -5,6 +5,7 @@ All notable changes to Bambuddy will be documented in this file.
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## [1.3.1] - Unreleased
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### Added
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+- **Bambu Lab H3C support (#3442, requested by @Mx772, contributed by @daltonclift in #3490)** — Bambuddy now supports the H3C: its nine-slot AMS 3H, the nine-PrintTool SwapTek rack and the per-PrintTool external inputs. The printer card lays out the AMS 3H like the unit, with a dryer box around the slots of its drying zone and the ambient readings in the header, shows the nine-position PrintTool rack, and names the external inputs **Ext-n**. Load and unload work from Bambuddy; an unload ends with pulling the filament back by hand, since the AMS 3H can't rewind, and the card says so. A load into a slot that reports no filament is refused. Drying targets the AMS 3H's drying zone, and chamber heating switches the airduct to heating mode first, because the H3C's chamber heater only heats in that mode. Queued prints are sent with the slot numbering Bambu Studio uses, and the slot numbering of every other printer is unchanged. A stopped print's filament usage is scaled by layers, since the H3C's progress includes its start sequence. The H3C gets its own firmware check, its 14 maintenance tasks with links to Bambu's guides (listed only when an H3C is added) and its fault texts. Queue jobs that a daily build stored for an H3C with the old slot numbers are corrected once on start. Tested on an H3C with firmware 01.01.03.00.
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- **WLED lights show the printer's status (#1528, requested and contributed by @d3nn3s08 in #3124)** — A WLED controller can now show what each printer is doing. Under **Settings > WLED**, pick a printer, enter its WLED address and assign one of the presets saved in WLED to each state: Idle, Preparing, Printing, Paused, Finished, Failed / Error, Awaiting plate clear, Filament problem, HMS error and Offline. Colours, effects and segments stay in WLED; Bambuddy only switches presets. A state without a preset falls back to the next one that has one (a filament runout without its own preset shows Paused). **Awaiting plate clear** applies only while the queue's **Require plate clear** setting holds the printer, and **Filament problem** only when the printer paused because the filament ran out. An optional timeout switches Finished back to Idle. The page can test the connection, load the presets from WLED and try each preset on the strip. If WLED is unreachable, Bambuddy retries every 30 seconds and logs the outage once. Several printers can share one controller when each preset is saved with "Checked segments only". The tab needs the `printers:update` permission.
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- **Queue several selected files as separate jobs (#3462, requested and contributed by @Eifel-Joe in #3471)** — Selecting several sliced files in the File Manager and pressing **Print** always made them printer alternatives: one queue job, run by the first free printer of a matching model. Two files sliced for the same printer model were refused, so putting several parts into one printer's queue meant printing each file on its own. The print dialog now offers **Alternatives** or **Separate jobs**. Separate jobs puts one queue item per file into the queue, in the order of the list, with the printers (or Any [model]), plate per file, print options, schedule and quantity applying to every item; each item gets its filament mapping at dispatch, against its own file. The dialog picks what fits: two files for the same model start on Separate jobs, with Alternatives unavailable; files for different models start on Alternatives, as before. A version group is still printed as alternatives only. If the queue refuses a file, the files before it stay queued and a second **Print**, also after closing and reopening the dialog, continues with the rest without queueing anything twice. The toolbar button now reads **Print (N files)**. Wiki updated.
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- **Cam Wall tiles show temperatures and finish time, and can pause, stop and switch the light (#3479, sponsor vote Q4 2026)** — With the **Full** status overlay, every connected tile shows its nozzle (both on a dual-nozzle printer), bed and chamber temperatures, and a printing tile adds its finish time beside the time left. Hovering over a tile shows **Pause/Resume** and **Stop**, with the same confirmations as the printer card, and a **chamber light** switch; **Tile controls: Always** in the wall settings keeps them on screen, and a touch screen always shows them. The controls need the `printers:control` permission; a user without it, an offline printer and a Cam Wall token (kiosk) wall get none.
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@@ -40,9 +41,6 @@ All notable changes to Bambuddy will be documented in this file.
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- **A camera window no longer opens a dozen streams to the printer at once (#3431, reported by @buffdriver)** — When the floating camera window was open while the page loaded (after a refresh, for example), Bambuddy opened about twenty camera streams for it. Only one was shown. The browser kept the rest open until the tab was closed, and they filled its six connections to the server. The page started each stream while still preparing to draw the window. It prepared the window several times before showing it, and every attempt left a stream behind. Streams now start only once the window is on the page. The camera page, the camera wall and the stream overlay start their streams the same way.
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- **A printer whose file service hangs during a print is no longer asked again and again until it refuses every upload (#3474, reported by @F9mm)** — When the card could not be read at print start, the timelapse baseline was read again every two minutes for the whole print, and each round walked the card twice: up to eight new FTPS connections, each hanging for 30 s against a hung printer. An H2S kept a session for every one of them, then answered every connection with "421 There are too many connections", and no queued job could reach it until the printer was restarted. The card is now read once per round. It is read again only while the print records a timelapse, the wait doubles after each failed round (up to 30 minutes), and it stops after five. A connection or listing that times out now pauses the background timelapse scans of that printer for five minutes. Opening files and sending prints are not held up by this. A printer that answers "421 too many connections" now gets its own message in the queue, saying it may need a restart, instead of "Bambuddy will retry automatically". Wiki updated.
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-### Security
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## [1.3.0] - 2026-10-06
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### Added
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maziggy