HOST STUDIO / RELEASE NOTES
Upcoming releases
Coming soon
Version 2611.1.37
Welcome to Host Studio 2611.1.37 — native 3270 & 5250 terminal emulation, host printing, and a modernization workbench crafted for macOS, iOS, iPadOS, and Apple Vision Pro.
- Complete 3270 & 5250 SNA Subsystem Parity: Full RFC 2355 TN3270E SNA support (SSCP-LU-DATA 4A unformatted VTAM logon sessions, LU-LU 4B BIND-IMAGE & UNBIND lifecycle, RESPONSES positive/negative acknowledgments, and ERR-COND-CLEARED recovery) and RFC 1205 / RFC 4777 IBM i 5250 SNA General Data Stream (GDS) support (5B startup response record parsing, Cancel Invite, and negative SNA sense codes).
- Dedicated SysReq & Attn Controls Across All Keypads: Direct, clearly labeled System Request (SysReq) and Attention (Attn) keys across macOS, iOS, iPadOS, and visionOS keypads for both 3270 (IAC AO subsession toggling & IAC IP out-of-band interrupt) and 5250 (GDS SRQ 0x0400 & ATN 0x4000 flags).
- Authentic OIA SNA Subsession & Sense Indicators: Live Operator Information Area (OIA) badges displaying 4A (SSCP-LU), 4B <PLU> (bound LU-LU application), 5B <System> (IBM i 5250 GDS session), and X SNS <hex> sense diagnostics with Stream Trace decoding.
Coming soon
Version 2611.1.35
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- IBM i SFTP & Host Server Transfer: Native bi-directional file and database member transfers via OpenSSH SFTP (port 22) and IBM i Host Server daemons (port 8475), supporting physical files, members, and Save Files (*SAVF) directly to and from /QSYS.LIB.
- Comprehensive Enterprise Localization: 100% complete string catalog translations across all 10 supported languages (German, Spanish, French, Italian, Japanese, Korean, Brazilian Portuguese, Simplified Chinese, and Traditional Chinese).
- Terminal Viewport Layout Stability: Refined terminal canvas and sidebar layout resizing behavior to maintain stable cursor position and viewport framing during active keyboard entry and window adjustments.
Coming soon
Version 2611.1.34
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- Enterprise Parity Release: Full workflow parity with IBM Personal Communications (PCOMM PC3270 / PC5250) and IBM Access Client Solutions (ACS).
- Dedicated 3287 Companion Printer LU & SCS Spooling: Automatic companion 3287 printer session binding, segregated spool print jobs, vector PDF export, and AirPrint support for mainframe and midrange reporting.
- IBM i (5250) DB2 File Transfer: Native bi-directional database file transfer with schema introspection, member discovery, and fast export to CSV, JSON, and TSV formats alongside 3270 IND$FILE transfer.
- Authentic Box Selection & Marking: High-precision rectangular cut/copy/paste, field marking, auto-tab pasting, and screen buffer capture.
- Keyboard Remapping Engine & Presets: Full support for customizable key combinations and authentic hardware keyboard presets (Modern Apple Mac, IBM PC3270, IBM PC5250, and Custom) with conflict validation against system shortcuts.
- EBCDIC Code Pages & Themes Visual Consolidation: Consolidated EBCDIC Code Pages and Keyboard Mapping galleries into the unified visual design language of the Phosphor CRT Themes system, featuring live interactive previews, critical variant glyph inspection, and bit-exact translation checks.
- Unified Toolbar Keyboard Menu: Consolidated software keyboard toggle, keyboard layout presets, and one-tap unlock across classic, hybrid, and desktop display modes.
Coming soon
Version 2611.1.33
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- Unified Terminal Mode Background: Eliminated letterbox/pillarbox contrast seams and rounded canvas clipping in terminal mode, seamlessly extending the authentic phosphor CRT theme background across the entire viewport, scroll area, status bar, and navigation header.
- Enhanced Cross-Platform Theme Alignment: Matched OIA status bar background to the active phosphor theme across iOS and macOS, and adjusted navigation chrome adaptively for light themes.
Coming soon
Version 2611.1.32
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- High-Contrast Command Dock & Key Badges: Redesigned the floating bottom dock with vibrant, high-contrast action buttons, crisp bold white icons, and monospaced function key badges (F3, F12, CLR) for instant legibility.
- Apple Vision Pro Spatial Enhancements: Added native eye-gaze hover effects on all dock buttons, improved command input contrast, and ensured a solid, flicker-free terminal screen background matching your selected phosphor theme.
- Apple Intelligence Status Pill: Elevated luminance and contrast on the Apple Intelligence badge and sparkles indicator across both light and dark appearances.
Coming soon
Version 2611.1.31
View release notes
- Cross-Platform Compatibility Hardening: Enhanced platform behavior and reliability across macOS, iOS, iPadOS, and Apple Vision Pro.
- Apple Vision Pro Spatial Polish: Corrected physical device security evaluation to prevent false-positive integrity alerts on Darwin system directory layouts, scoped window appearance to preserve native glass materials, and refined local network privacy prompts.
- Spool Management Graceful Fallback: Streamlined host printing controls on visionOS with graceful routing to vector PDF export and AirPrint validation.
- Multiplatform Verification: Verified zero-warning compilation across all target run destinations and device families.
Coming soon
Version 2611.1.30
View release notes
- Streamlined iPhone Duo Control Area: Eliminated redundant Rendering Mode selector from the Display settings tab in the trailing pane, consolidating display mode switching in the primary Control Area header.
- Discoverable Icon-Only Navigation Bar Controls: Refined the iPhone Duo top bar controls toggle into a clean, discoverable frosted-glass icon-only capsule, maximizing available terminal canvas space.
- Pruned & Verified Multilingual String Catalog: Dropped unused and stale translation keys, maintaining complete 9-language translation coverage (German, Spanish, French, Italian, Japanese, Korean, Brazilian Portuguese, Simplified Chinese, Traditional Chinese) across all target platforms.
Coming soon
Version 2611.1.29
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- Complete Localization for Terminal Selection & Clipboard Actions: Full 9-language localization (German, Spanish, French, Italian, Japanese, Korean, Brazilian Portuguese, Simplified Chinese, Traditional Chinese) for context menu actions including screen selection, cut/copy/paste, and screen buffer capture.
- Verified Multilingual String Catalog: All translation keys resolved and verified across all target platforms (macOS, iOS, iPadOS, and visionOS).
Coming soon
Version 2611.1.28
View release notes
- Restored Authentic Hybrid 1:1 View: Full support for the dedicated 1:1 Hybrid mainframe stream canvas across macOS, iOS, iPadOS, and visionOS, rendering stream records in sequential row-major fidelity with monospaced column alignment and native field interaction.
- Streamlined Desktop Navigation Bar: Contextual desktop top bar dynamically reflects the active host environment and profile name, eliminating duplicate task headers when application mini-app windows are displayed.
- Sequential Stream Record Order in Desktop Mode: z/OS and IBM i sign-on and splash screens preserve strict sequential row order in 1:1 stream grid mode.
- Unified Display Mode Selector: Clean, consistent mode switching (Terminal, Hybrid, Desktop) centralized in the primary navigation toolbar and sidebar across all platforms.
Coming soon
Version 2611.1.27
View release notes
- Mainframe Command CTA & Action Key Architecture: Contextual host command actions (including ENTER TSO, LOGON, and subsystem quick actions) are partitioned from AID function keys and wired directly into terminal command prompts with automatic input dispatch.
- Clean 1:1 Mainframe Terminal Canvas: Eliminated redundant command prompts on 1:1 terminal screens, ensuring the native in-grid command field is rendered authentically without extraneous duplicate input bars below the screen.
- Deduplicated Modernized Form Fields: Prevented command prompts and primary logon fields from duplicating across modern card views and splash screens.
- High-Precision IBM PCOMM Selection HUD: Enhanced field mark snapping, rectangular trim box coordinate tracking, and multi-line auto-tab clipboard paste across all supported platforms.
Coming soon
Version 2611.1.26
View release notes
- IBM PCOMM Visual Mark Box & Field Copy/Paste: Classic IBM Personal Communications (PCOMM) and IBM i Access Client Solutions (ACS) rectangular trim box selection with 4 corner handles, double-click/tap field snapping, trailing space trimming, and floating action HUD pill.
- Field-Aware Clipboard Pasting: Intelligent multi-line paste that automatically navigates input fields, honoring line breaks with tab advancement across protected field boundaries while skipping read-only text.
- Localized Duo & Foldable Posture Controls: Full 9-language localization (German, Spanish, French, Italian, Japanese, Korean, Brazilian Portuguese, Simplified Chinese, Traditional Chinese) for Duo and foldable posture selectors with adaptive compact labels in narrow sidebars.
- Seamless Edge-to-Edge Navigation Chrome: Fully integrated status bar and navigation bar backgrounds that dynamically match the active display mode (custom #0F3150 desktop palette and deep black terminal default), eliminating letterboxing across notches, Dynamic Island, and curved device corners.
- Redesigned Frosted Glass Controls: Re-engineered toolbar items and mode toggles with sleek ultra-thin material liquid glass capsules, eliminating unnecessary opaque backgrounds and borders for a clean visionOS and iOS 18 aesthetic.
- iPhone Duo & Foldable Posture Optimizations: Intelligent tabletop split-screen cyberdeck console, physical hinge seam exclusion zones, and automatic camera notch clearance.
- Desktop & MiniApp Host Message Banners: Live host error, warning, success, and informational messages (including AS/400 OS/400 bottom-row CPF messages and 3270 system alerts) are now prominently displayed across the Desktop workspace and MiniApp headers with high-contrast, HIG-compliant status cards.
- Authoritative Host Screen Options in Desktop MiniApps: Desktop miniapps now faithfully publish all available host screen options directly from the terminal buffer with interactive option chips and row selection context menus.
- Refined Sign-On Detection & Native Actions: Post-sign-on operational panels and command prompt screens (e.g. WRKLIB) are properly recognized as authenticated workflows with Enter/Submit CTAs.
- Subsystem-Accurate Terminology: Replaced mainframe VTAM references on IBM i (TN5250) displays with native IBM i terminology and options.
- Real-time Disconnection State Reactivity: Resolved cross-platform UI state caching so that the terminal inspector, sidebar, and profile badges update immediately upon session disconnection.
- Apple Intelligence Host Menu & Label Preservation: Across all platforms in desktop view, Apple Intelligence strictly preserves authentic published host menus, options, and screen labels verbatim from 3270 and 5250 displays without alteration or truncation.
- IBM i (5250) Desktop Modernization: Transform classic AS/400 menus into an intuitive desktop launchpad featuring searchable app icons, a grid vs. compact list view toggle, and a floating liquid glass dock with direct AID key dispatch.
- Native Subfile Tables & Multi-Column Menus: Full interactive support for IBM i subfiles (WRKACTJOB, WRKSPLF, WRKMSG) with row option inputs, authentic Page Up (Roll Down) and Page Down (Roll Up) paging, and multi-column menu parsing.
- Mini App Workspaces: Dynamic, native interactive windows for command prompting (CRTLIB, CHGJOB), parameter validation, and modal confirmation overlays (WRKMBRPDM) with F12 Cancel and Enter confirm.
- Synchronized Tri-Presentation Engine: Seamless, bidirectional live state synchronization across Terminal (green screen), Native UI (accessible forms and cards), and Desktop modes with authoritative host buffer binding.
- Strict IBM i Terminology Compliance: Zero mainframe term contamination on IBM i / AS/400 connections, ensuring native Control Language (CL), libraries, physical files, members, and job queues throughout.
- Biometric Session Protection (Face ID / Touch ID / Optic ID): Require biometric verification or device passcode authentication before connecting to sensitive mainframe sessions.
- iCloud Keychain Credential Sync: Securely synchronize host credentials across your Apple devices via the encrypted Apple Keychain (kSecAttrSynchronizable) with zero plaintext exposure.
- Enterprise MDM & Managed App Configuration: Deploy corporate bookmarks, enforce TLS encryption, lock down configurations, and apply Data Loss Prevention (DLP) dataset restrictions via Apple Business Manager and MDM (Jamf Pro, Microsoft Intune, VMware Workspace ONE).
- CoreSpotlight Search & Deep Linking: Host bookmarks are automatically indexed in macOS and iOS system search for instant launch directly from Spotlight.
- Siri Voice Shortcuts: Hands-free terminal actions via App Shortcuts ("Connect to mainframe in Host Studio").
- Sanitized Bookmark Sharing: Safely export and share host profiles via AirDrop or JSON with credentials automatically stripped, alongside full personal backup and restore.
- Native & Hybrid Layout Modes: Refined rendering modes into dedicated "Hybrid" and "Native" presentations with spaced pill controls for seamless switching between CRT grid alignment and card components.
COMING SOON
Version 2611.1.25
IBM mainframe and IBM i screen modernization in a desktop-style workspace.
Desktop-style menus
Browse IBM mainframe and IBM i menus as labeled icons, with categories and filtering.
Compact lists and native forms
Use compact lists or native fields for recognized host forms, with command inputs and contextual actions.
Three presentations
Switch between Terminal, Native UI, and Desktop to suit the screen and your workflow. Previews cover Mac, iPad, iPhone, and Apple Vision Pro.
HOST STUDIO / 2611.0.7
Version 2611.0.7
Coming soon — this release is pending App Store review.
Biometric session protection
Require Face ID, Touch ID, Optic ID, or device passcode authentication before connecting to sensitive host sessions.
iCloud Keychain credential sync
Securely synchronize host credentials across your Apple devices through encrypted iCloud Keychain, without exposing plaintext credentials.
Enterprise MDM & managed app configuration
Deploy corporate bookmarks, enforce TLS, lock configurations, and apply dataset export restrictions for data loss prevention (DLP). Support enterprise deployment through Apple Business Manager and MDM solutions including Jamf Pro, Microsoft Intune, and VMware Workspace ONE.
Spotlight search & deep linking
Host bookmarks are automatically indexed in macOS and iOS system search. Launch a saved host directly from Spotlight.
Siri voice shortcuts
Use App Shortcuts for hands-free terminal actions, including “Connect to mainframe in Host Studio”.
Sanitized bookmark sharing
Share host profiles via AirDrop or JSON with credentials automatically removed. Personal backup and restore are also supported.
Native & Hybrid layouts
Dedicated Native and Hybrid presentations offer spaced pill controls for switching between CRT grid alignment and card components.
Host printer spool integrity
Live sessions preserve authentic host printer queues such as PRT01 and PRT02. Offline demo spool jobs are cleared when a connection is established or a demo ends.
Operator console command clearing
Command input clears after Enter and stays synchronized with live console replies across z/OS, z/VM, and z/VSE.
Complete localization in 10 languages
English, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Simplified Chinese, and Traditional Chinese.
More precise hotspot recognition
Copyright notices and screen placeholder dashes no longer trigger spurious hotspot actions.
Protocol-aware IND$FILE controls
3270-specific dataset transfer controls are hidden during IBM i (5250) sessions.
5250 sign-on credential isolation
Corrected sign-on autofill mapping prevents inadvertent credential persistence or placement in secondary fields, such as Program/procedure, during logout and reconnect.
Interactive 5250 demo function keys
PF/CF support includes F3 Exit, F12 Cancel, F4 Prompt, F5 Refresh, F9 Retrieve, F11 CPU%/Elapsed Time toggle, F24 More Keys, and Page Up / Page Down for subfile paging.
Native TN5250 hotspot actions
On-screen function key hotspots and action labels send native 5250 Command Function AID codes.
Dual offline host demos
Try IBM 3270 and IBM i (AS/400) TN5250E without network configuration through the Host Demos menu and pinned bookmarks.
Enhanced TN5250E emulation
RFC 4777 negotiation, automated bypass sign-on, associated printer session binding, Workstation ID allocation, and 24×80 / 27×132 displays for IBM i (AS/400).