Document Control¶

Field	Value
Document ID	creator-content-calendar
Version	1.0.0
Status	approved
Confidence	Medium
Category (track)	Creator
Build	B42
Owner	PZ Knowledge-Base Pipeline
Created	2026-10-07
Updated	2026-10-08
Review due	2027-01-07
Game versions verified	42.21 (release timeline, 42.21 Steam posts and TIS forum change list read 2026-10-07)

Executive Summary¶

The launch window that creator-foundation described has closed: Build 42.20.0 reached the stable branch on 2026-07-29 [1][2], and the stable branch has since moved to 42.21, released on 2026-09-28 [1][8]. This guide therefore builds a post-launch calendar rather than a launch-week plan. It records the dated release timeline from the official Steam announcement feed, computes the gaps between releases, lists what The Indie Stone has said is still coming, and only then turns that into a reusable set of patch-hook slots.

The headline pattern is a two-speed rhythm. During the unstable cycle, new x.0 builds landed roughly every three weeks for most of 2026 [1]. Since stable launch the cadence has been hotfix-driven: four hotfixes in the 28 days after launch [2][3][4][5][6], then a 56-day gap before the next unstable build [6][7], then a five-day unstable-to-stable promotion [7][8]. The studio now states that unstable-first is the standard path for every release [7][8], which gives creators a short, predictable early-warning window before each stable patch.

Confidence is Medium. Dates and titles come from primary Steam announcements, but the feed query returns only the most recent 100 items [1], the 42.21 forum change list was read in an abridged form [14], and cadence statistics rest on a small number of releases.

Key Takeaways¶

Stable 42.20.0 shipped 2026-07-29; hotfixes 42.20.1 and 42.20.2 followed on 2026-08-05, 42.20.3 on 2026-08-17 and 42.20.4 on 2026-08-26 (cited) (B42) [2][3][4][5][6].
42.21 went to unstable on 2026-09-23 and to stable on 2026-09-28, five days later, with the studio saying no major issues were reported (cited) (B42) [7][8].
The Indie Stone says every future release follows the same unstable-then- stable path, with the unstable gap varying by complexity (cited) [7][8]. The unstable post is therefore the earliest official signal a creator gets.
Legacy Build 41 is still receiving security-motivated hotfixes: 41.78.21 shipped 2026-08-26 (cited) (B41) [6].
Announced but not shipped as of the 2026-10-07 read of the feed: a late-game tweak patch, mapping tools plus the AnimZed animation tool, an extensive modding guide, and a Build 42 Support Update planned for the rest of 2026 (cited as announced, no release dates given) [9][10]. The abridged 42.21 forum change list does not mention the mapping tools, AnimZed or the modding guide (cited) [14].
Patch hooks come from named change categories in the notes, not from version numbers. Section "Practical Guidance" maps 42.21 change categories to the KB documents that supply fact-check material (guidance built on cited facts).
No future release date is asserted anywhere in this document (by design).

Purpose¶

creator-foundation explained why the stable launch was a demand spike and which formats suit it. This guide answers the question that follows once the spike is over: what do you publish week to week, which existing videos are about to be wrong, and when does the official release rhythm hand you a reason to publish? It stays on the production-planning side and defers game mechanics to the Players, Admins and Modders documents named in the calendar.

Scope¶

Covered: the dated B42 and B41-legacy release timeline visible in the Steam announcement feed; computed intervals between those releases; announced but unshipped work; a calendar template with patch-hook and evergreen slots; and a map from patch-note categories to KB fact-check documents.

Not covered: audience analytics, platform algorithm behaviour, monetisation, and any prediction of release dates. The feed holds at most the 100 most recent items per query, so releases older than that window are out of range [1]. The pre-2025-01 unstable history is already summarised in creator-foundation. For 42.21 the TIS forum change list is used alongside the Steam announcement bodies; that list is abridged ("selected" sections), so absence from it is not proof that a change did not ship [14]. Earlier hotfixes use the Steam announcement bodies only.

Definitions¶

Patch hook — a dated official release or announcement that gives a creator a legitimate, timely reason to publish.
Day-0 reaction — content published within hours of a patch-note post, built from the notes alone.
Week-1 refresh — a guide or update video recorded after a week of play on the new build.
Evergreen slot — scheduled search-driven content whose topic does not depend on a specific patch.
Unstable-first — the studio's stated release path: unstable beta, then stable [7][8].

Build Applicability¶

Build	Applies	Verified against	Notes
B41 (legacy41)	Context only	41.78.21 per announcement title	Only appears as a security hotfix line in the timeline [6][12]
B42 (stable)	Yes	42.21; timeline read through 42.21 stable	42.21 stable released 2026-09-28 [8]; KB fact documents referenced in the calendar were last verified on 42.20 unless they have been re-baselined since

Release facts were read on 2026-10-07, and this revision re-checked the timeline, the interval arithmetic, the announced-but-unshipped table and the 42.21 change table against the Steam posts [2]-[8] and the TIS forum 42.21 patch notes [14]. The interval arithmetic was recomputed from the dates in the timeline and every figure held. The B42 stable branch is now 42.21 [8], while the KB game-document set referenced below may still carry 42.20 as its verified version; the calendar's staleness map exists to bridge that gap.

Reference¶

B42 release timeline since launch¶

All dates are the announcement dates shown in the Steam news feed [1]; the feed does not state the time zone of its timestamps, so dates are taken as the posted calendar day.

Date	Release	Branch	Source
2026-07-29	42.20.0	Stable (default branch)	[2]
2026-08-05	42.20.1 hotfix	Stable	[3]
2026-08-05	42.20.2 hotfix	Stable	[4]
2026-08-17	42.20.3 hotfix	Stable	[5]
2026-08-26	42.20.4 hotfix, bundled with 42.19.2 unstable and 41.78.21 legacy hotfixes	Stable, unstable, legacy41	[6]
2026-09-23	42.21	Unstable	[7]
2026-09-28	42.21	Stable	[8]

The hotfix posts for 42.20.1 through 42.20.3 each ask players to reproduce a bug on a fresh save with no mods before reporting it [3][4][5]. The 42.20.4 post removed the loadstring and loadstream Lua methods as part of a security fix and told modders to update affected mods [6]. The 42.21 unstable post reversed that removal, re-enabling both commands [7], and the 42.21 stable post repeats the reversal [8].

Earlier unstable milestones¶

The table lists the unstable and stable x.0 announcements visible in the feed, using titles as posted [1]. The feed window begins in January 2025, and the 42.8.0 announcement does not appear in it, so the entry for 42.8 is the later 42.8.1 post [1].

Date	Announcement as titled in the feed
2025-01-21	42.1 Unstable [1]
2025-01-27	42.2.0 Unstable [1]
2025-02-11	42.3.0 Unstable [1]
2025-03-04	42.4.0 Unstable [1]
2025-03-11	42.5.0 Unstable [1]
2025-03-24	42.6.0 Unstable [1]
2025-04-07	42.7.0 Unstable [1]
2025-05-20	42.8.1 Unstable [1]
2025-06-10	42.9.0 Unstable [1]
2025-06-30	42.10 Unstable [1]
2025-08-04	42.11.0 Unstable [1]
2025-09-25	42.12.0 Unstable [1]
2025-12-11	42.13.0 Unstable Multiplayer [11]
2026-02-16	42.14.0 Unstable [1]
2026-03-09	42.15.0 Unstable [1]
2026-03-31	42.16.0 Unstable [1]
2026-04-20	42.17.0 Unstable [1]
2026-05-11	42.18.0 Unstable [1]
2026-06-01	42.19.0 Unstable [13]

A legacy-line hotfix is also visible: an announcement titled as a combined Stable (41.78.19) and Unstable (42.16.3) hotfix was posted on 2026-04-08 [12].

Computed intervals¶

These figures are arithmetic on the dates above, not statements by The Indie Stone.

Interval	Days	Derived from
42.20.0 stable to 42.20.1 and 42.20.2	7	[2][3][4]
42.20.2 to 42.20.3	12	[4][5]
42.20.3 to 42.20.4	9	[5][6]
42.20.0 stable to 42.20.4 (last hotfix)	28	[2][6]
42.20.4 to 42.21 unstable	28	[6][7]
42.20.0 stable to 42.21 unstable	56	[2][7]
42.21 unstable to 42.21 stable	5	[7][8]
42.19.0 unstable to 42.20.0 stable	58	[13][2]
Median gap between consecutive x.0 unstable posts, 42.2.0 through 42.19.0	21	[1][11][13]
Shortest and longest gaps in the same run	6 and 77	[1][11][13]
Unstable x.0 gaps from 42.15.0 to 42.19.0 (four gaps)	22, 20, 21, 21	[1][13]

The gap pattern before launch held near three weeks for the five consecutive gaps from 42.14.0 to 42.19.0, between 20 and 22 days each [1][13]. After launch, the gap from the last hotfix to the next unstable build was 28 days, and from stable launch to that build 56 days [2][6][7].

Statements of intent from the studio¶

The 42.21 unstable and stable posts both say that, going forward, a new update goes to unstable first, is tested by players, may be adjusted, and then moves to stable [7][8]. The unstable post adds that the time between unstable and stable will vary with complexity, that the aim is to move faster, and that unstable is meant for testing rather than acting as an unofficial stable [7]. The stable post says the promotion happened because the community reported no major issues [8].

Announced but not shipped¶

The following items were announced as planned and have no matching release announcement in the feed window read on 2026-10-07 [1]. None carries a date in the source posts.

Item	Announcement	Wording of commitment
A patch of tweaks and adjustments from player feedback, aimed mainly at the late game	2026-07-09 [9]; repeated 2026-07-24 [10]	Planned after necessary hotfixes [9][10]
Release of the latest mapping tools (WorldZed, TileZed and others) and the AnimZed animation editor	2026-07-09 [9]; 2026-07-24 [10]	Planned once hotfixing is over [9][10]
An extensive modding guide	2026-07-24 [10]	Planned alongside the tools [10]
A Build 42 Support Update covering optimisation, further modding support and player-requested polish	2026-07-09 [9]; 2026-07-24 [10]	Planned for the rest of 2026 [9][10]
Continued multiplayer and controller improvements	2026-07-24 [10]	Throughout B42 patching [10]
Remaining zombie duplication and disappearing-zombie cases	2026-09-28 [8]	Stated to be on the radar and fixed in the next update [8]; the forum list records the cases already fixed in 42.21, including an additional multiplayer duplication case [14]
Further work on XXL-tree cutaway behaviour	2026-09-23 [7]; 2026-09-28 [8]; forum list [14]	Described as a work in progress [7][8][14]
Further causes of black and grey boxes when travelling quickly	2026-08-17 [5]	Still under investigation [5]; the abridged 42.21 forum list does not mention it [14]
Removal of the temporary percent-symbol workaround	2026-08-05 [4]	Planned for a future unstable update [4]; the abridged 42.21 forum list mentions a fix for spaces and percentages not being visible in the game UI but does not mention removing the workaround [14]

What 42.21 changed, by topic¶

These are the changes stated in the unstable and stable announcement bodies and in the TIS forum change list for 42.21 [7][8][14]. The forum list was retrieved in abridged form: several sections are marked "selected", so it is a subset of the full notes. The forum post also states that existing savegames on 42.20.4 should not be affected and should be backed up first [14].

Topic	Stated change	Source
Zombies	Fix for zombies vanishing after a player leaves and re-enters a chunk, in single and multiplayer, plus fixes for multiplayer zombie duplication (including an additional case and a zombie coordinate desync)	[7][8][14]
Trees and driving	XXL trees cut away better for players in vehicles, no longer hide overhung houses and furniture, and have adjusted transparency; subbiomes no longer generate trees on dirt	[7][8][14]
Modding and servers	loadstring and loadstream re-enabled after being disabled in 42.20.4; a missing translation or recipe now raises a RuntimeException instead of a console print; Seam Editor added to the debug menu; an unset-by-default ToggleOldRenderer keybinding added	[7][8][14]
Occupations	Welder occupation starts with Welding recipes rather than Blacksmithing recipes	[7][14]
Water and cleaning	86 more fluid containers can purify water in the appropriate oven type; washing machines clean dirty rags, strips and bandages	[7][14]
Refrigeration	Fridges and freezers warm gradually on the day power goes out; refrigeration applies correctly to food in a bag inside a fridge or freezer	[7][14]
Medical supplies	Antibiotics can be packaged with the pack-in-box recipe	[7][14]
Farming	Pathfinding avoids walking over farming plants where possible, which the forum list says is purely cosmetic because stepping on crops does not damage them; furrows trampled by zombies are removed from the world	[7][14]
Basements and explosives	Explosives work in basements	[7][14]
Map and UI	In-game player map updated to remove inaccuracies while exploring; Spawn Point Selection preview videos updated to match the map glow-up; in-game credits updated; fix for spaces and percentages not showing in the UI; increased brightness on several lamp tiles	[7][14]
Localization	Localization system updated to allow more translatable strings	[7][14]
Items and stashes	Floorboard stash containers found with annotated maps renamed more appropriately; a deprecated tankless SCBA no longer spawns	[7][14]
Quality of life	Characters re-equip items automatically after exercise	[7][14]
Multiplayer	Expanded anti-cheat and safehouse exploit fixes, a notification when connecting with a different game version, the server browser showing the last wipe rather than the last restart, a Steam authentication fix that restores SteamID bans, high-ping driving fixes, a fix for an infinite connection loop when the Discord API is unavailable, and a fix for the UsernameDisguises connection failure	[7][14]
Split screen	Fixes for a crash when local players share a moving vehicle, incorrectly shared read-book status and XP boosts, fishing, and controls after a gamepad disconnect	[7][14]

B41 vs B42 Delta¶

Not applicable — single-build document. The calendar is tagged B42 because its release rhythm and patch hooks all concern the 42.x line [2][7][8]. Build 41 appears only as the legacy line receiving security hotfixes, for example 41.78.21 on 2026-08-26 [6]. The mechanical differences between the builds belong to players-b41-to-b42-transition.

Practical Guidance¶

This section is synthesis of the cited facts above. It adds no new facts about the game or the release schedule, and every cadence figure it uses is computed in the Reference section.

A rhythm built from what has actually happened¶

Three observed phases suggest three production modes. During the unstable cycle, builds arrived about every three weeks [1][13], which is a cycle short enough that any guide recorded on unstable was likely to be superseded quickly. Immediately after stable launch, hotfixes arrived at 7, 12 and 9 day spacings [2][3][4][5][6], which is a cycle of small corrections where the safe approach is to hold polished guides for the end of the run. The current phase is the unstable-first pattern the studio has declared standard [7][8], with an unstable post followed by a stable promotion that took five days in the one case so far [7][8].

Treat that five-day figure as a single data point. The studio itself says the gap will vary with complexity [7], so a calendar built on the 42.21 gap would be a calendar built on one observation.

Calendar template: patch-hook slots¶

Offsets below are planning conventions for a creator, not predictions of when any release will occur. They key off a release that has already been announced.

Slot	Trigger	Offset	What to publish	Fact-check material
U-0: unstable heads-up	Unstable post goes live [7]	Same day to day 2	Short reaction to the highlights list; label clearly as unstable	The unstable post itself [7]
U-1: save-safety explainer	Unstable post warns about backups [7]	Day 1 to 3	A "back up before testing" explainer for the audience that plays on unstable	The post's own wording on saves [7]
S-0: stable day-0 reaction	Stable post goes live [8]	Same day	Notes-based reaction built only from the stable post and the forum list	Stable post [8]
S-1: week-1 refresh	One week of play on the new stable	Day 5 to 9	Re-record or patch the guides that the staleness map flags	KB documents in the next table
S-2: hotfix watch	Hotfix posts [3][4][5][6]	Same day, text only	A pinned comment or description update instead of a new video, unless a hotfix changes a mechanic the video shows	Hotfix post [3][4][5][6]
E-n: evergreen	None	Fixed weekly or biweekly	Search-driven guides in the evergreen list below	KB reference documents
A-n: announced-item slot	The studio ships an item from the "announced but not shipped" table	Reserve in advance	Showcase or tutorial for that item	The release post, once it exists

Hold the A-n slots open without dates: the table of unshipped items in the Reference section is a list of reasons to keep capacity free, not a forecast [9][10]. The mapping tools, AnimZed and the modding guide are the natural hooks for modding-tutorial content, and the Support Update is a hook for an "is the game running better" comparison video whenever it arrives [9][10].

Which KB documents back which slot¶

Slot or topic	KB document	What it supplies	Staleness note
Beginner and returning-player guides	players-beginner-guide-b42	Verified starter-guide facts	Verified on 42.20; check against the 42.21 change table (Welder start recipes, auto re-equip after exercise, map and spawn-selection UI) before recording [7][14]
Veteran migration content	players-b41-to-b42-transition	B41 versus B42 differences	Verified on 41.78.16 and 42.20; legacy41 hotfixes do not change that comparison by themselves [6]
Farming, food and refrigeration	players-farming-food	Crop and food-handling facts	42.21 touched refrigeration, water purification, farm-plant pathfinding and zombie-trampled furrows [7][14]; re-verify those sections first
Animals	players-animals-husbandry	Husbandry facts	The Steam 42.21 posts do not list animal changes [7][8]; the abridged forum list mentions only multiplayer animal fixes in general terms [14]; the full notes were not read
Vehicles and driving	players-vehicles	Vehicle facts	XXL-tree cutaway changed for drivers, and high-ping driving and vehicle-sound fixes are listed [7][8][14]; any driving footage is affected visually
Medical content	players-medical-moodles	Medical and moodle facts	Antibiotic packaging changed [7][14]
Modded server content	admins-modded-server-runbook	Server and mod operations	Reversal of the loadstring removal [6][7][8], the version-mismatch connect notice, the server browser change, the Discord-loop and UsernameDisguises fixes [7][14]
Modding tutorials	modders-first-mod-tutorial-b42	First-mod walkthrough	Check any use of loadstring-like methods against the 42.20.4 removal and the 42.21 reversal [6][7][8]
Channel strategy	creator-foundation, creator-format-catalogue, creator-channel-competitor-map, creator-cross-promotion-funnel	Format, competitor and funnel context	Audience figures are dated snapshots, not patch-bound

Which videos go stale, and when¶

Staleness follows what the footage shows, not the title. A video goes stale at the first stable release whose notes touch something it demonstrates.

Video type	Depends on	Goes stale when	Handling
Zombie-population or horde-survival runs	Zombies persisting after chunk reloads	A fix to chunk behaviour lands, as in 42.21 [7][8]; the studio expects further fixes next update [8]	Date-stamp the build; plan a re-record after the next update
Driving and vehicle guides	Tree cutaway and vehicle sync	Tree or driving changes, as in 42.21 [7][8]	Replace footage that shows trees blocking the view
Farming and food-storage guides	Refrigeration and pathfinding behaviour	Food-storage or farm changes, as in 42.21 [7]	Re-test the specific claims on the new build
Welding or blacksmithing starter builds	Occupation starting recipes	An occupation recipe change, as in 42.21 [7][14]	Re-check the starting state in a new character
Exploration, map and character-creation walkthroughs	In-game map and spawn-selection UI	Map or UI changes, as in 42.21 [14]	Replace footage of the map screen and spawn-point preview
Localised or mod-translation content	Translation system and `%` handling	Localization changes, as in 42.20.1, 42.20.2 and 42.21 [2][3][14]	Re-test translated text on the current stable
Mod-heavy server videos	Script-execution methods and mod compatibility	A security-driven method removal or reversal [6][7][8]	Re-verify each mod on the current stable
Map-based content	Mapping tools	Release of the announced tools, if it happens [9][10]	Reserve an A-slot; no date is implied
Beginner videos	Multiple systems	Any stable release that touches an on-screen system	Use a pinned correction comment for small drifts, a re-record for large ones
Hotfix-era bug demos	A specific bug	The hotfix that fixes it [3][5][6]	Retire or label as historical

Evergreen slots¶

Evergreen slots exist so the calendar is not hostage to the release rhythm. Reasonable evergreen candidates, each matched to a KB document, are the beginner guide, the farming and food guide, the animals guide, the vehicles guide, the medical guide, a modded-server walkthrough, and a first-mod tutorial. Rotate them on a fixed cadence, and attach a build stamp so the viewer can judge freshness at a glance.

Planning under uncertainty¶

Unannounced and speculative. The studio has given no date for the next release, and none appears here. A defensible planning stance is to prepare a day-0 template and a week-1 refresh checklist in advance, keep two evergreen videos in the can, and open the S-1 slot only when an unstable post appears [7]. If an unstable post says it targets a particular topic, use the staleness table to pre-identify the affected videos.

Common Pitfalls & Troubleshooting¶

Treating a hotfix like a content patch. The 42.20.x hotfix posts are largely multiplayer, memory and technical fixes [3][4][5][6]. Publishing a full new guide per hotfix over-spends production time.
Calendar built on one gap. The 5-day unstable-to-stable gap [7][8] is a single observation, and the studio says the gap varies [7].
Quoting the date you saw, not the date posted. The feed does not state a time zone for its timestamps [1]; a release posted late in one region can fall on a different calendar day elsewhere.
Assuming the loadstring story stayed put. It was removed on 2026-08-26 [6] and re-enabled by 2026-09-23 [7][8]; mod content published between those dates may carry advice that no longer applies.
Re-using 42.20 verification for 42.21 facts. The KB game documents referenced above carry 42.20 as their verified version; the 42.21 change table flags what to re-check first [7].
Citing unannounced timing as fact. The items in the unshipped table have no dates [9][10]; do not put a month on screen.

Community Notes & Unverified Claims¶

None.

Risks & Caveats¶

Feed window. The feed query returns a maximum of 100 items [1], which mixes official posts with syndicated press. Releases outside the window, and any official post the feed omits, are not in the timeline.
Titles versus bodies. The 42.13.0, 42.19.0 and 41.78.19 rows rest on the announcement titles and dates in the feed, not on a read of each post body [11][12][13].
Forum notes abridged. The 42.21 change list was read from the TIS forum thread in an abridged form [14], so the 42.21 table is a subset of the full notes; the Steam posts link a slightly different thread slug for the same topic number [7][8].
Small sample. The cadence statistics derive from about twenty release dates; the post-launch phase has only seven dated entries [2][3][4][5][6][7][8].
Staleness of this document. Any new announcement could invalidate the "announced but not shipped" table; the Verification Steps give a thirty-second recheck.
Dating. 42.8.0 is absent from the feed window, so the 42.7.0 to 42.8.1 interval overstates the true gap [1].

Verification Steps¶

Query https://api.steampowered.com/ISteamNews/GetNewsForApp/v2/?appid=108600&count=100&maxlength=0 and filter to the "Community Announcements" feed label [1].
Confirm that the newest titled release entries still read 42.21 Stable (2026-09-28) at the top; anything newer means this document is stale [8].
For each row of the unshipped table, search the feed for the item name (AnimZed, modding guide, Support Update, WorldZed) and move any hit into the timeline [9][10].
Recompute the interval table from the timeline rows with a date-difference calculator.
Open the forum thread for 42.21 [14] in full and extend the 42.21 table with any section the abridged read marked as "selected".
Re-run the staleness map against any new release: for each change category in the new notes, flag the matching KB document and video type.

Open Questions¶

When will the announced late-game tweak patch, mapping tools, AnimZed, modding guide and Support Update ship? The source posts give no dates [9][10]. Resolution: a future announcement.
Does the five-day unstable-to-stable gap repeat? One observation exists [7][8]. Resolution: the next two release cycles.
Does the full (unabridged) 42.21 forum change list touch animals, crafting or medical content beyond what the abridged read shows [14]? Resolution: read the thread in full.
Do the KB's Players documents need a 42.21 re-verification pass? Their recorded verification version may still be 42.20; a fact-check worker should work from the 42.21 table above [14].

References¶

Primary Sources

[1] Valve / The Indie Stone — Steam news feed for app 108600 (ISteamNews GetNewsForApp, count=100, maxlength=0). https://api.steampowered.com/ISteamNews/GetNewsForApp/v2/?appid=108600&count=100&maxlength=0 Accessed 2026-10-07.
[2] The Indie Stone — Build 42.20.0 Stable Released. Steam announcement, 2026-07-29. https://steamcommunity.com/games/108600/announcements/detail/1839676055882259 Date and title read via [1], 2026-10-07.
[3] The Indie Stone — 42.20.1 STABLE Hotfix Released. Steam announcement, 2026-08-05. https://steamcommunity.com/games/108600/announcements/detail/1840310314338766 Read via [1], 2026-10-07.
[4] The Indie Stone — 42.20.2 STABLE Hotfix Released. Steam announcement, 2026-08-05. https://steamcommunity.com/games/108600/announcements/detail/1840310314339441 Read via [1], 2026-10-07.
[5] The Indie Stone — 42.20.3 STABLE Hotfix Released. Steam announcement, 2026-08-17. https://steamcommunity.com/games/108600/announcements/detail/1840944183785895 Read via [1], 2026-10-07.
[6] The Indie Stone — 42.20.4 STABLE & 42.19.2 UNSTABLE & 41.78.21 LEGACY Hotfixes Released. Steam announcement, 2026-08-26. https://steamcommunity.com/games/108600/announcements/detail/1842212951296601 Read via [1], 2026-10-07.
[7] The Indie Stone — Re-population of the Dead: Build 42.21 Unstable Released. Steam announcement, 2026-09-23. https://steamcommunity.com/games/108600/announcements/detail/1844751498218925 Read via [1], 2026-10-07.
[8] The Indie Stone — Build 42.21 Stable Released. Steam announcement, 2026-09-28. https://steamcommunity.com/games/108600/announcements/detail/1844751498231307 Read via [1], 2026-10-07.
[9] The Indie Stone — NEXT STEPS. Steam announcement, 2026-07-09. https://steamcommunity.com/games/108600/announcements/detail/1836506165584147 Read via [1], 2026-10-07.
[10] The Indie Stone — BUILD 42 STABLE PLANS. Steam announcement, 2026-07-24. https://steamcommunity.com/games/108600/announcements/detail/1839041357029453 Read via [1], 2026-10-07.
[11] The Indie Stone — Build 42.13.0 UNSTABLE Multiplayer Released. Steam announcement, 2025-12-11 (title and date only). https://steamcommunity.com/games/108600/announcements/detail/1818752592122972 Listed in [1], 2026-10-07.
[12] The Indie Stone — Stable(41.78.19) + UNSTABLE(42.16.3) Hotfixes Released. Steam announcement, 2026-04-08 (title and date only). https://steamcommunity.com/games/108600/announcements/detail/1829528821304362 Listed in [1], 2026-10-07.
[13] The Indie Stone — Build 42.19.0 Unstable Released. Steam announcement, 2026-06-01 (title and date only). https://steamcommunity.com/games/108600/announcements/detail/1833968530897275 Listed in [1], 2026-10-07.
[14] The Indie Stone — 42.21 Patch Notes (TIS forum topic 101693, first post 2026-09-23; abridged change list). https://theindiestone.com/forums/topic/101693-4221-patch-notes/ Accessed 2026-10-07.

Fact-Only Sources (no prose reuse)

None used in this document.

Secondary & Corroborating

None used in this document.

Community & Creator

None used in this document.

Further Reading

See the Further Reading section below.

Revision History¶

Version	Date	Author	Change	Approved By
0.1.0	2026-10-07	KB Pipeline (virtual agent)	Initial draft.	—
0.2.0	2026-10-07	KB Pipeline (revision worker)	Re-baselined to 42.21: 42.21 change table completed from the TIS forum 42.21 patch notes [14] and the 42.20.1-42.21 Steam posts; announced-but-unshipped table re-checked against the forum list; interval arithmetic recomputed (no changes); staleness map and video-staleness table extended.	—
1.0.0	2026-10-08	Orchestrator (KB Pipeline)	Approved and frozen — release kb-release-2026.10.08 (42.21 re-baseline; validated against 42.21 and 41.78.21, Umbrella 42.21.0 @ 13d01f9). Content is the reviewed 0.2.0 text.	Project owner (user instruction 2026-10-08)