Recent releases and improvements to Tentaco.

Changelog

We ship improvements regularly. Here are the highlights from recent releases.

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July 2026

Release 70 — Pipelines removed, format fidelity & docs

Removed the Pipelines hub and linear pipeline builder. /pipelines and legacy builder links redirect to Automation Studio workflow presets; presets and auto-pipeline stay.
Format/MIME fidelity fixes across image, video, PDF and file studios — verified canvas encoding, slideshow concat, Office page indexes, batch naming and AI job result sniffing.
Discover, features, nav, PWA shortcuts and share links now point at Automation Studio instead of /pipelines.
Roadmap, changelog, privacy policy and GDPR pages updated — Sync Center vault label polish (DE) and honest last-updated dates.

July 2026

Release 69 — marketing refresh, Sync Center UX & performance

Roadmap, FAQ, features, docs, changelog and privacy-tools pages updated — Sync Center, Ollama assistant, 16 languages and server vs local tools.
Sync Center simplified: 3-step setup guide, combined overview card, quick actions and advanced options tucked into details.
Homepage LCP/CLS pass: responsive hero picture, preload hints, DOM reorder and skeleton nav for faster first paint on mobile.
Privacy-tools hub: Tentaco browser complements for email, DNS, SSL and generators; discover links to /use/* landings.
Changelog restored Release 63; assistant personality prompts and smarter German routing shipped in prior pass.

July 2026

Release 68 — sync vault, hero cleanup, and platform consistency

Device Sync Phase 2: encrypted local IndexedDB vault in the redesigned Sync Center with recovery-key flow.
Homepage hero uses a CSS studio window instead of the octopus asset; contact and feedback email updated to tentacocc@proton.me.
Phase 0 platform pass: canonical studio handoffs, onboarding slug resolution, health endpoint ML queue status, and registry summary fix.
Phase 1 polish: dynamic category tool counts, contextual workflow chips with files, unified drop-zone drag behavior, and Release 68 changelog.

July 2026

Release 67 — batch wave across discover, studio UX and routing

Batch wave shipped across discover and home: client-side filtering, recent studio recalls, quick-start links and compact showcase media cards.
Assistant + PDF UX pass: action chips, negation hints, batch watermark live preview and proactive PDF repair structure checks.
Studio/document updates: HTML theme swatch picker, invoice handoff to XRechnung validator, transparent-bg clarification and shortcut help on marketing pages.
Routing and SEO expansion: phrase-route coverage for audio/geo/legal/cron/device-sync plus glossary batch-wave entries.
Quality/docs pass: stale home/discover selectors fixed in E2E and deploy/shell-behavior smoke docs added.

July 2026

Release 66 — Discover, assistant & studio stability

Redesigned /discover hub with hero stats, category cards, JTBD paths and quick links to studios, pipelines and guides.
Smarter local assistant routing: PDF sign/OCR/rotate, HEIC convert, invoice templates, meta /discover navigation and session follow-ups.
Studio stability: PDF workspace mode resolution, correct help copy, chrome-skip for embedded tools and stable PDF apply buttons.
Expansion studio loaders now wrap generic tools in shared studio chrome; calculator modes delegate to dedicated implementations.
Page-range picker overhaul, HTML studio theme fixes and 243 unit tests green across assistant, sidebar and PDF routing.

July 2026

Release 65 — Cloud queue, i18n & performance

Dedicated ML worker service for cloud upscale and background removal; queue banner with server-busy polling, ETA hints and automatic retry.
Marketing pages use full i18n profiles (mission, changelog, roadmap, FAQ, …) so client navigation from / no longer shows untranslated keys.
Second registry translation pass for ru/tr/cs, NL/PL DE-fragment cleanup and expanded studio landing intros for all live workspaces.
Hardened /api/proxy against SSRF and private-IP targets; axe-core accessibility smoke in CI; tool-icon badges no longer use brand mascots.
Performance and UX polish: cache warmer restored, cloud-processing FAQ, roadmap done badges and README updated for 459 tools on Node 22.

July 2026

Release 64 — SEO, i18n & cloud image AI

Sitemap rebuilt with hreflang for all 16 locales (750 canonical URLs), footer links to top /use/* landings and llms.txt canonical studio URLs.
Full translation pass for image studio tools and message files; ICU plural safeguards so locale strings stay valid.
Optional server-side background removal in Image Studio (ONNX/rmbg) alongside local AI — cloud processing only when you enable it.
Production audit: E2E map-geo stability, sitemap hygiene, assistant routing, studio maturity badges, verify:deploy pipeline and new /mission page.

July 2026

Release 63 — Homepage & discover hub

Unified header with Discover link, homepage hero mobile fixes and floating section nav.
New /discover hub for categories and job-to-be-done paths; intent search shows live results on desktop.
Studio hub chips on image, document, video and JSON studios; E-Rechnung banner in Document Studio guide.
i18n polish (no slug in UI copy), production checks, Lighthouse /discover, a11y smoke and e2e.

July 2026

Release 62 — All studios expanded

Every live studio gets a dashboard bar (tips + session stats), quick workflow chips, expanded mode suggestions and onboarding for all 39 workspaces.
Richer handoffs: text → JSON/Text/Data studios, PDF → print & e-invoice, image → brand & social, video → audio extract; quick actions add copy filename and clear file.
Popular modes and post-output chains for map, email, regex, schema, legal, education, social, database, automation, productivity and 3D CAD studios.
Recent jobs, sample PDFs for print/office/workflow studios, custom preset bar patterns and Release 62 changelog in all 16 locales.

July 2026

Release 61 — SW reliability, feedback fixes & i18n polish

Service worker v31: network-first for /_next assets, no HTML precache — fixes stale JS chunks after deploy when users had an old SW cached.
Feedback form: Docker .data volume chown at container start, SMTP fallback when local persist fails, persisted rate limits in .data/feedback-rate-limit.json.
Studio handoff labels in all 16 locales, deep /use/* landing content for nine developer tools, Lighthouse CI warn budgets in GitHub Actions.
Roadmap refresh — Lighthouse CI live, GSC indexing monitoring next; feedback route tests and nodejs runtime for reliable server-side storage.

July 2026

Release 60 — Studio UX overhaul & smarter workflows

Seven core studios (API, Audio, Converter, Data, Design, Finance, Workflow) lazy-load modes — faster first paint and smaller JavaScript bundles on entry.
File-forward expansion studios: step-by-step empty guides for all 16 expansion workspaces, popular mode chips, loaded files persist when switching modes, smart handoffs to related studios.
Studio productivity: first-run onboarding tour, custom settings presets in your browser, share-settings links, re-run from output dock and before/after media compare.
Fixes & assistant: site header/footer on client navigations, PDF output dock sync, image-effect apply gate, slug/prime/HMAC translation fixes; BM25 search and phrase routes for all 16 locales.

July 2026

Release 59 — SEO Wave 3 maximum discoverability

477/477 tool /use/* landings, +80 expansion mode overrides, +20 topic hubs and hreflang Wave 4 (100 slugs) — 16 locales each.
+25 compare articles, +25 glossary terms (50+ total), +15 guides (34+ total), internal linking mesh across hubs, studios, compare and glossary.
Sitemap 1200+ URLs, expanded llms.txt (38 studios, top 150 /use/*), IndexNow priority list, category SEO and FAQ JSON-LD verified.
Roadmap: SEO waves complete — Lighthouse CI budgets and GSC indexing monitoring next.

July 2026

Release 58 — SEO Wave 2 depth & hreflang Wave 3

+12 compare articles, +12 glossary terms, +8 guides, +40 expansion mode /use/* landings — English-first with 16-locale backfill.
Hreflang Wave 3 overrides for 50 top-traffic slugs; use-hub cross-links, wave2-landing-overrides merged in tool-landings.ts.
Sitemap priorities and hub overrides for expansion verticals; llms.txt and post-deploy SEO checklist aligned to 800+ URLs.
Release 58 changelog and roadmap refresh — Wave 2 marked live, Wave 3 discoverability queued.

July 2026

Release 57 — 16 locales, SEO overhaul, expansion hubs

Four new locales: Japanese (ja), Simplified Chinese (zh), Korean (ko) and Ukrainian (uk) — routing, messages, hreflang, PDF locale and registry parity across 16 languages.
SEO overhaul: 16 expansion-studio /use/* hubs, +6 studio categories, +9 glossary terms, +6 guides, +8 compare articles, hreflang wave-2 overrides for 30 top landings, wave-4 thin landing overrides.
Infrastructure: use-hubs wired to routing.locales, priority-landing-hreflang-wave2.json merged in tool-landings, sitemap priorities and hub overrides for new expansion verticals.
LCP strings and SEO keywords extended for ja/zh/ko/uk; roadmap updated — SEO waves marked done, Core Web Vitals and studio depth next.

July 2026

Release 56 — 38 studios, ~240 expansion modes, Productivity Studio

16 expansion studios (adds Productivity Studio) — Waves 1–4 depth pass across Signature, OCR, Geo, Email, Regex, Schema, Color, Subtitle, Music, 3D, Legal, Education, Social, Database, Automation and Productivity.
Wave 4 adds 38 modes from the existing catalog: PDF security, CSS generators, cron/DevOps helpers, campaign UTM tools, math sequences and finance calculators.
Dedicated audio tools: BPM detector, key detector, tap tempo; mesh stats for STL/OBJ; generic expansion-tools for GeoJSON, legal templates and subtitle QC.
~239 modes across 38 studios — expansion studio lazy loaders and PDF component map extended for lock/unlock/crop.

July 2026

Release 55 — 37 studios, SEO wave, performance & extension v1.2

15 expansion studios live (Signature, OCR, Geo, Email, Regex, Schema, Color, Subtitle, Music, 3D, Legal, Education, Social, Database, Automation) — 37 studios total.
SEO wave: glossary, how-to guides, studio category hubs, 20 compare articles, 40 use hubs, thin-landing overrides, sitemap priorities, llms.txt and footer SEO clusters.
PDF workspace Core Web Vitals: in-flow LCP shell, CLS guards, eager merge mode; GSC fixes — direct /use/* indexable URLs and aligned canonical JSON-LD.
Firefox extension v1.2.0 — toolbar popup, keyboard shortcuts, text handoff (#th=); JSZip pack for AMO without system zip.

July 2026

Release 54 — Hindi locale, full site translation

Hindi (hi) twelfth locale: routing, messages, hreflang, PDF locale.
Full UI and tool registry translated to Devanagari — studio sidebar and SEO hubs included.
Language switcher adds हिन्दी; /hi/ prefix for all pages; INR currency in PDF templates.
Changelog, roadmap, and validation scripts updated for 12-locale parity.

July 2026

Release 53 — Czech locale, 420 tools, batch API v2

Czech (cs) eleventh locale: routing, messages, hreflang, PDF locale.
Registry batch 11 — 20 SEO tools (JWT builder, IBAN hubs, cron builder) → 420 tools.
Batch API: pdf-split, image-resize, rate limit, OpenAPI; collections JSON-LD; use-hub studio deep links.
Assistant voice input (EN/DE/TR), cloud fallback on low confidence, PWA install Umami events.

July 2026

Release 52 — Turkish locale, 400 tools, batch API

Turkish (tr) tenth locale: routing, messages, hreflang, PDF locale and studio sidebar.
Registry batch 9–10: TOML/ULID/punycode tools plus cron parser, IBAN, UUID v7 — 400 tools.
SEO: batch9 landings, pdf-invoice & tool-compare hubs, pipelines ItemList JSON-LD, sitemap 450+ URLs.
Headless POST /api/batch/pdf-merge with BATCH_API_KEY; pipeline preset links on tool pages.

July 2026

Release 51 — Russian locale, GSC hygiene, SEO fixes

Russian (ru) — ninth locale: routing, UI messages, hreflang in sitemap, /use/* landing FAQs.
GSC hygiene: URL-prefix property docs, static sitemap/robots serving, post-deploy SEO in deploy scripts.
Tool pages: client navigation fix for RSC serialization when switching tools in-app.
www.tentaco.cc → https://tentaco.cc permanent redirect in Caddy/Nginx examples.

July 2026

Release 50 — full registry SEO, extension store prep, roadmap refresh

SEO batch 7: final 46 /use/* guides (391 total) including all 17 studios; sitemap 439 URLs.
Extension store: prepare:extension-submit script, listing checklist on /extension, verify:extension in CI path.
Roadmap updated: KoSIT and PDF/A marked live; search indexing and extension store as current focus.
--include-workspaces flag for landing generator; post-deploy SEO checklist aligned to 391+ guides.

July 2026

Release 49 — 345 SEO guides, mobile E2E, VeraPDF audit

SEO batch 6: --auto 60 more /use/* guides (345 total); sitemap ~410 URLs.
Mobile E2E: language switcher, Discover label casing, centered popular chips, landing studio CTAs, theme menu.
Optional VeraPDF server audit: /api/validate-pdfa + validator UI when NEXT_PUBLIC_PDFA_VERAPDF=true.
Roadmap & GSC checklist updated to 345+ guides.

July 2026

Release 48 — 285 SEO guides, KoSIT gallery, PDF/A color audit

SEO batch 5: --auto 60 more /use/* guides (285 total); sitemap now 350 URLs.
KoSIT: public XRechnung 3.0 fixture gallery in validator; +BR-DE mappings; credit-note (381) ZUGFeRD export.
PDF/A-3b phase 2: DeviceCMYK color-space audit, critical vs advisory checks; PDF/A panel on ZUGFeRD upload.
Roadmap & GSC checklist updated to 285+ guides; deploy scripts aligned.

July 2026

Release 47 — 60+ SEO landings, JSON & letter hubs, PDF/A-3b checks

SEO batch 4: --auto 60 lands next registry tools; new /use/json-tools and /use/letter-templates topic hubs.
PDF/A-3b: client-side conformance validation on ZUGFeRD export with certified vs best-effort badge and issue list.
KoSIT: missing seller tax ID and invalid Leitweg-ID fixtures; extension page store badges and improved pre-store copy.
Deploy: GSC checklist lists 165+ /use/* URLs; verify-site-url.sh keeps 100+ threshold; roadmap sync for partial PWA and workflow chains.

July 2026

Release 46 — 50+ new /use/* guides, landing OG images & workflow chains

Batch 3 SEO landings: ~50 new atomic tool guides via landing-registry; dedicated /use/*/opengraph-image with category accent.
Assistant v2.1: workflow chains for PDF sign→share, image crop→compress, ZUGFeRD export and credit-note paths; distinct feedback toasts.
KoSIT: xrechnung-3.0-missing-buyer-reference fixture and BR-DE-1 test; PWA manifest shortcuts for merge, e-invoice validate, image compress.
Deploy checks: /use/ count threshold (100+), optional og:image on landings; e2e coverage for OG route, /categories 308, studio noindex.

July 2026

Release 45 — Richer /use/* guides, 50+ new landings & PWA icon fix

Landing pages: intro, steps, use cases, comparison tips and privacy sections (600–1000 words target) driven from tool-landings.data.json.
55 new /use/* SEO landings for high-value atomic tools; HowTo JSON-LD uses dedicated steps when present.
PWA install nudge: compact app icon on mobile (studio + hero), smaller dismiss control; generic landing FAQs for batch-generated slugs.
Sitemap regenerated for new landing routes; canonical /use/* strategy unchanged for tools with guides.

July 2026

Release 44 — Crawlable tool SEO, HowTo schema & IndexNow batching

Tool pages: always-visible SEO section (about, FAQ, related tools) server-rendered for crawlers; sidebar CTAs stay deferred.
Landing pages: How it works section + HowTo JSON-LD; homepage hub links to /use/* guides; dynamic tool count in meta descriptions.
Sitemap: removed /categories URLs (redirect to /tools); llms.txt lists all landings, hubs and correct category query links.
IndexNow: priority sort (/use/ first), submit all sitemap URLs in batches of 500 with progress logging.

July 2026

Release 43 — E-Rechnung credit notes, SEO guides, studio dock & PWA

KoSIT: XRechnung 3.0 credit-note fixtures, BR-DE-23 mapping, credit-note badge (381) in validator UI across all locales.
SEO: related /use/* guides on landing pages; tool cards link to SEO landings; getRelatedLandings() from registry related slugs.
Studio: output dock on image batch convert/compress; mobile e2e for workflow preset → PDF compress and prefers-reduced-motion smoke.
PWA: manifest shortcuts (PDF compress, image crop); install nudge on homepage hero; offline badge on mobile immersive studio; studio visit tracking on workflow complete.

July 2026

Release 42 — Roadmap refresh, SEO 50+, extension & KoSIT polish

Roadmap updated: AI assistant v2 marked shipped; 50+ /use/* SEO landings; extension store env hooks and footer links.
KoSIT: XRechnung 3.0 public fixtures, BR-DE rule IDs in validation tooltips, ZUGFeRD export assistant validation signals.
Studio: image crop output dock; assistant v2.1 workflow chain suggestions and cloud structured-intent fallback.
Mobile e2e prefers-reduced-motion smoke; Playwright mobile spec extended.

July 2026

Release 41 — AI assistant v2 (smarter local routing)

Multi-stage routing: query-type detection, category/action signals, cross-locale synonyms, and negative intents (e.g. “no OCR”, “don't compress”).
Rich studio context — loaded file type, XRechnung validation errors, and workflow output boost matching tools while you work.
Session memory for follow-ups (“and now sign?”); low-confidence matches show alternatives; thumbs up/down tune local routing from your feedback.
Ollama returns structured JSON intent only — tool choice stays deterministic locally; XRechnung/ZUGFeRD phrase routes; Vitest suite for smart routing.

July 2026

Release 40 — Mobile polish, roadmap refresh & SEO expansion

Mobile studio chrome: stacked output dock above action bar, safe-area tokens, 44px touch targets on header, workflows and immersive controls.
Playwright mobile spec (390×844) for homepage overflow, nav menu, PDF compress dock stacking.
Roadmap updated with AI assistant v2 and SEO scale-up priorities; changelog release 39–40.
Eight new /use/ SEO landings (PDF sign, ROT13, HTML entities, JSON escape, HTML to text, Unicode info, PDF rotate, image crop) with FAQ schema.

June 2026

Release 39 — ZUGFeRD assistant, workflows, CI hardening

ZUGFeRD export assistant wizard: embed CII in PDF, validate, downloadable KoSIT PDF report and localized fix suggestions.
Workflow presets for scan→OCR→merge and image workflows; registry migrated to helper across pdf/extra/super batches.
CI: Vitest e-invoice suite, a11y smoke, Lighthouse budgets, sitemap test, E2E smoke matrix per studio.
42+ SEO tool landings, extension store prep, bookmarklet promo on /docs, compare share links.
Tool pages defer CTAs and learn-more until interaction; output dock parity completed.

June 2026

Release 38 — Production site URL fix & SEO landings

Default production origin https://tentaco.cc when NEXT_PUBLIC_SITE_URL is missing (fixes localhost sitemap/robots).
Dockerfile ARG defaults for all NEXT_PUBLIC_* build args.
Six new /use/ SEO landing pages (PDF repair, JWT, invoice, HTML studio, ZUGFeRD) + verify-site-url.sh.

June 2026

Release 37 — Deploy checklist, Schematron+, store copy, SEO FAQ

Post-deploy checklist in DEPLOY.md and Google Search Console guide (docs/seo-search-console.md).
KoSIT Schematron+: 6 rules (country IDs, credit notes, zero qty, net price, issue date).
Roadmap refreshed — batch e-invoice and HTML static export marked shipped.
Chrome/Firefox store listing polish (keywords, DE copy, AMO checklist).
FAQ q17–20 (batch invoices, HTML export, sitemap, Umami) + SEO keywords.

June 2026

Release 36 — KoSIT+, Factur-X v2, batch invoices, static HTML, PDF repair CTAs

KoSIT Schematron+: 8 new rules (postal address, order ref, UBL warning, currency lines, and more).
ZUGFeRD / Factur-X PDF/A-3b-oriented export v2 with factur-x.xml, AF Data relationship, and XMP snippet.
XRechnung validator batch mode: multi-file queue, summary table, combined JSON + per-file text ZIP.
HTML Studio static site export ZIP (index.html, styles.css, script.js, assets/, README-DEPLOY.md).
PDF repair callouts across PDF Studio tools via shared usePdfLoadError hook.

June 2026

Release 35 — PDF repair CTAs & batch EXIF

PDF Compress shows a one-click Repair PDF button when xref/trailer structure errors occur.
Image batch compress: optional EXIF/metadata strip toggle with clear hints (matches single-image compress).
Umami analytics provider documented and wired via NEXT_PUBLIC_UMAMI_WEBSITE_ID.

June 2026

Release 34 — UX polish pass

Home: continue-where-you-left-off chips for recent studio modes across all workspaces.
Tool pages: studio and SEO landing CTAs; PDF grid drag feedback; document preview scroll stability.
Image compress EXIF toggle, workflow preset cards with step badges, XRechnung results toolbar polish.
HTML Studio run shortcut hint and project name pill; studio cards hover lift and mode count badges.

June 2026

Release 33 — HTML toolbar, e-invoice fixes, ZUGFeRD

HTML Studio: modern IDE toolbar with clear active states, scroll-map minimap toggle and IndexedDB project save/open.
E-invoice validator: Fix links to Document Studio invoice fields for BT-10, IBAN, payment means and line items.
ZUGFeRD PDF export from invoice template — PDF with embedded CII XML (Factur-X basic v1).
Unified handoff banner across studios and tools — one dismiss pattern, priority-ordered workflows.
Mobile toolbar sweep for all StudioPdfStyleShell studios — two-row compact layout at 375px.
HTML Studio chrome contrast fixes for vscodeDark and tryitLight themes.

June 2026

Release 32 — PDF repair

PDF Studio: client-side PDF repair with qpdf WASM — rewrites xref/trailer tables locally in the browser.
Structure error hints now point to Repair PDF mode; qpdf loads lazily on first use.

June 2026

Release 31 — Growth & discoverability

SEO tool landing pages at /use/[slug] for top tools, studio OG images, dual CTAs on /studios index.
Changelog share buttons (LinkedIn, Reddit, RSS), ⌘K shortcuts for support and feed, BMAC in immersive studios.
Invoice validate→share workflow preset, PWA v17 with HTML templates precache, optional support nudge after 10 tool visits.

June 2026

Release 30 — Studio landing polish

Richer studio marketing pages at /studios/[slug]: denser hero, popular mode chips, grouped mode browser and workspace preview.
Related tools and studios sidebar, use-case tags from sidebar groups, and compact FAQ — less empty scroll on mobile.

June 2026

Release 29 — Top 5 polish

Large PDF preview panel for single-file PDF modes; image compress keeps full before/after compare.
Recent files in studio sidebars and workflow preset cards on the homepage.
Mobile toolbar sweep: two-row compact layout for Video, Document and Security studios.
XRechnung validator traffic-light summary and per-rule tooltips (EN/DE).
Document Studio live PDF preview while filling templates.

June 2026

Release 28 — SEO landing pages, RSS & OG polish

Dedicated SEO landing page per studio with FAQ JSON-LD, mode grid and breadcrumbs at /studios/[slug].
Changelog RSS feed (/feed.xml), release validation script and SoftwareApplication JSON-LD.
Custom OG images for /studios and /changelog; studio cards link to marketing landing pages.

June 2026

Release 27 — KoSIT+, PWA phase 2 & workflows

KoSIT Schematron+: 12 BR-DE rules, profile badge, ZUGFeRD full validation and PDF validation reports.
PWA phase 2: v16 precache for all studios, offline page lists, smarter install prompt and update banner.
Workflow handoffs: continue bar, cross-studio recent files, 5 new pipeline presets and +10 Playwright smokes.

June 2026

Release 26 — HTML Studio, KoSIT+ & calculators

HTML Studio: Prettier format, asset uploads, matching tag highlight and multi-file sidebar.
KoSIT Schematron+: 8 new BR-DE rules, profile labels and downloadable validation reports.
Studios: popular modes & related links for media studios; tax, inflation & savings calculators; document templates.

June 2026

Release 25 — Studio expansion batch

Popular mode shortcuts, related-tool links and expanded empty-state guides across all studios.
Document Studio: delivery note (Lieferschein) and timesheet (Stundennachweis) PDF templates.
PWA offline v15 (+6 studios), FFmpeg loading UX, i18n mobile menus and expanded Playwright smoke tests.

June 2026

Release 24 — Store prep, Schematron+ & PDF security

Extension download API, store badges, German listing copy and screenshot specs.
Schematron+: buyer reference, payment means, line items and total mismatch rules.
PDF password & permissions via browser-native @cantoo/pdf-lib with presets.

June 2026

Release 23 — HTML Studio Tryit & mobile polish

W3Schools-style Tryit editor: 50/50 split, green run bar, fullscreen, console, snippets, template previews.
Mobile: two-row toolbar, swipe code/preview, bottom sheet menu, compact immersive header, landscape split.
Emmet + shortcuts, debounced auto-run, PWA offline v14 (+html-studio), Playwright mobile smoke test.

June 2026

Release 22 — Extension hub, Schematron+, offline v13

Extension install page, pack:extension script, Chrome & Firefox store docs.
Schematron rules: seller tax ID, IBAN check, negative line amounts.
PWA offline v13 (+3 tools), assistant API docs, mobile studio mode picker, compare/pipeline polish.

June 2026

Release 21 — Mobile polish, file share fix & HTML Studio IDE

Mobile studio headers with overflow menu; file exchange upload fixed for Docker (writable .data volume).
HTML Studio premium redesign: segmented editor tabs, elevated live preview toolbar, IDE-style editor chrome.
PWA offline v12, compare & pipeline polish, assistant batch/route API, studios build fix.

June 2026

Release 20 — Calm studios, Schematron & Firefox

Studio UI declutter: quieter sidebars, compact banners, recent modes only on file-forward studios.
E-invoicing Schematron-lite rules (VAT category, due date, unit codes) in XRechnung validator.
Firefox extension manifest, Chrome Web Store prep, PWA offline v11 with three more tools.

June 2026

Release 19 — Workflow handoff, extension options & compare modes

Text workflow handoff between JSON formatter, studios and JWT decode — auto-advance on format in json-jwt-inspect.
Extension options page: custom base URL and locale via chrome.storage.sync.
Compare studio mode pickers, nested PDF bookmark tree read/import, and four more offline tools.

June 2026

Release 18 — Extension, EN16931 & offline PWA

Chrome/Edge MV3 extension with Open in Tentaco context menu; shared bookmarklet routing module.
EN16931 invoice checks: BuyerReference, seller VAT, payment means, line items, Leitweg-ID and profile version hints.
Offline precache for core tools, compare shared-file sessions, studio OG accents and mobile studio drawer.

June 2026

Release 17 — Compare, bookmarklet & PDF bookmarks

Tool compare: studios in dropdowns, shareable links, diff export and preset pairs with privacy badges.
Bookmarklet with correct domain, XML/YAML/UUID/email/IP/hex detection; PDF bookmark table with flat add/export.
PWA install prompt, expanded offline shell, studio OG badges and roadmap refresh.

June 2026

Release 16 — Privacy, e-invoicing & OG

Privacy tier badges on all tool listings, category legends and compact studio cards.
E-invoicing validator with DOMParser, ZUGFeRD PDF extraction and expanded workflow handoffs.
OpenAPI viewer polish, per-tool OG images with category accent and roadmap refresh.

June 2026

Release 15 — Batch PDF & workflow handoff

Batch PDF in PDF Studio: compress multiple files to ZIP or merge all into one — fully local.
Studio workflow banner with file auto-handoff between steps; privacy badges on tool cards and featured studios.
OpenAPI viewer YAML input, roadmap refresh and build/lint cleanups.

June 2026

Release 14 — Unified studio polish

All studios share the PDF-style shell: collapsible sidebar, focus mode and consistent toolbar layout.
Compact empty guides, recent modes and cross-studio handoff; HTML, Code and Text studios stay distraction-free.
Homepage simplification, data-studio file import and sidebar collapse fix across every studio.

June 2026

Release 13 — Assistant & trust

Context-aware assistant, clipboard tool hints, optional Ollama bridge and step-by-step spotlight guides.
Privacy tier badges, tool-of-the-week, embed generator, per-tool OG images and changelog RSS feed.
Status page, brand press kit extensions, bookmarklet, E2E mascot tests and registry lint improvements.

June 2026

Release 12 — UX & workflows

Public roadmap, tool compare mode, studio workflows with recent history and cross-studio file handoff.
Mascot branding polish (transparent PNGs), recent studio modes, keyboard shortcuts in all studios.
Release 12 changelog, /compare page and improved workflow presets (image→PDF, JSON→JWT).

June 2026

Release 11 — 62 new tools & developer studio

API Studio: OpenAPI viewer, JWT inspector, HAR viewer, CSP generator/decoder, DNS lookup, SSL viewer and more.
PDF, image, video, text and design studios expanded — form fill, sprite sheets, SVG to React, word cloud and 50+ more.
Tool polish: extract options, HTTP handoffs, sidebar search in all studios, /features page and ⌘K studio mode search.

June 2026

Release 10 — Growth & feedback

Thumbs-up/down feedback widget on templates and tools, Text Hub fun group collapsed by default.
PWA offline shell (optional), expanded SEO metadata and FAQ for share links & OCR.
E2E tests for share decode, OCR mode and invoice validation; deploy .env.example updates.

June 2026

Release 9 — Share, OCR & compliance polish

Template share links on all letter/document templates, lz-string compression, invalid studio mode redirects.
PDF OCR for all pages with progress & cancel, API proxy, visual image crop, orphan tool cleanup.
Invoice §14 UStG validation, new templates (Ratenzahlung, Vollmacht, Mietbescheinigung), compact mobile studio shell.

June 2026

Release 8 — Letters & documents (DE edition)

8 polished HTML editor themes, sidebar scroll fix, PayPal Käuferschutz fee calculator.
3rd dunning template, credit note (Gutschrift), print-ready A4 previews, pipeline step indicator.
Mobile sidebar drawer, legal links in file exchange & assistant, expanded FAQ and E2E tests.

June 2026

Release 7 — Studio polish & letters

All live studios in fullscreen, HTML editor syntax themes and VS Code-style color swatches, collapsible sidebar.
Dedicated attention line in letter templates, 2nd dunning example, hydration fixes for assistant & sidebar.
Pipeline presets & collection workflows, audio waveform metadata, cloud assistant fallback, snippets via ⌘K only.

June 2026

Release 6 — Templates, search & studios

Template form i18n (letters & documents), Kleinunternehmer §19 toggle, Einschreiben footer, and new offer/order/proforma templates.
Sidebar search & collapsible groups, collections edit, pipeline presets, Code/Design/Converter/Security/Text Hub tools.
HTML Studio share links, ZIP export, and expanded E2E smoke tests.

June 2026

Studios expansion & PDF security

PDF password set/remove and permissions tools in PDF Studio; Document Studio guide with sample templates.
Text Hub +25 fun & utility tools; Security Studio validators; Web & SEO UTM and meta checkers; Code/API dev utilities.
Letter & document guide i18n, collections refresh, intent search enrichment, HTML Studio ZIP export and new templates.

April 2025

Mobile UX & new studios

Responsive studio sidebars and touch-friendly mode switching on phones and tablets.
Design Studio, Web & SEO Studio and Security Studio launched.
Command palette (⌘K) search covers studios, tools and site pages.

May 2025

HTML Studio templates & preview

Starter templates for landing pages, portfolios and dashboards in HTML Studio.
Dedicated preview-only mode with device frames and background themes.
Live split editor with autosave and one-click HTML export.

June 2026

Converter Studio & studio polish

Converter Studio bundles units, encoding, data sizes, timezones and file sharing.
Text Hub gained 12 additional tools in the sidebar.
Home page and studios directory updated for 17 live studios.

June 2026

Letter Studio, Document Studio & 18 studios

New Letter Studio with DIN 5008 guide, dunning, withdrawal and complaint templates.
New Document Studio for invoices, receipts and resumes — separate from PDF editing tools.
Text Hub expanded with 12 encode & format tools; popular shortcuts in Calculator and Finance studios.