QZ Tray 2.2.7 is a mythical release, these are just patches atop 2.2.6 that should eventually land on QZ Tray 2.3.0

Draft(s) of the 2.3.0-RC release:

• JDK25
• Ivy dependency management
• Other stuff?

YYYY-MM-DD

Fixes

• Prevent race condition in websocket connection qzind#1350
• Windows: Fix installation as SYSTEM user qzind#1361
• Better locking and concurrency support for hardware IO (serial, network, files, usb) qzind#1415
• Better compat with .NET embedded Trident browsers qzind#1408
• Substitutions: Fix null handling qzind#1371, qzind#1371
• Log Dialog: Fix major performance issues, improve look & feel qzind#1385
• JS: Add support for web / service workers qzind#1379

Features

• Printing: Add compat for arbitrarily sized images: qzind#1419
• Printing: Add ESC/POS raw image support for GS v 0 and GS ( L qzind#1364, qzind#1391
• Linux: Add experimental support for user-scoped installations qzind#1423
• Apple: Add liquid-glass-compatible icon qzind#1412
• Provisioning: Add support for browser policies qzind#1404
• Provisioning: Add support for resource bundling and re-use qzind#1363, qzind#1380
• Headless: Allow forwarding of allow/block dialogs in headless environments qzind#1420
• Company Branded: Add branding capabilities to JS lib qzind#1399
• Print Server: Non-qualified domains will automatically add .qz.surf extension for a future product. Set qz.websocket.usingSurf(false) to disable. qzind#1429

Maintenance

• Add unit tests via TestNG framework qzind#1403
• Refactor raw image handling qzind#1391
• Add build artifacts to CI qzind#1395

Security

• Bump dependent libs, JDK

Full Changelog: qzind/tray@v2.2.5...v2.2.6

Security

• WebSocket: Add support for HTTP origin filtering qzind#1236

Features

• Provisioning: Add support for self-signed certs qzind#1313
• Provisioning: Add support for configuring proxy connections qzind#1325

Fixes

• Pixel Printing: Fix handling of empty images 71c1c48
• Pixel Printing: Fix page handling with scaleContent: false qzind#1295
• Raw Printing: Fix regression with Vietnamese codepages qzind#1290, qzind#281
• Windows: Remove WMIC dependency qzind#1334
• Windows Printers: Fix status reporting for network-attached printers qzind#1344
• Windows Printers: Fix qz.printers.clearQueue qzind#1305
• macOS: Suppress Rosetta 2 prompt on Apple Silicon qzind#1284
• WebSocket: Improve handling of ClosedChannelException qzind#1300
• File IO: Filter file events for "breadcrumb" files qzind#1279
• Socket IO: Fix encoding and endless callbacks qzind#1283
• Printer Details: Fix driver name for AirPrint printers qzind#1280
• Provisioning: Fix IndexOutOfBoundsException when matching certain file extensions qzind#1331
• Signing: Fix reentry race condition with qz.security.setSignatureAlgorithm qzind#1302
• Site Manager: Always show time zone for certificate expiration qzind#1289

Maintenance

• Initial support for Java 21 qzind#1222
• Update code-signing certificates for Apple, Windows qzind#1330, qzind#1336
• Update demo page certificate qzind#1293
• Add support for bundling 32-bit JDKs 33824c3
• This tag also includes the following fixes from 2.2.4+2: qzind#1282, qzind#137, qzind#1265

Security

• WebSocket: Add support for HTTP origin filtering qzind#1236

Features

• Provisioning: Add support for self-signed certs qzind#1313
• Provisioning: Add support for configuring proxy connections qzind#1325

Fixes

• Pixel Printing: Fix handling of empty images 71c1c48
• Pixel Printing: Fix page handling with scaleContent: false qzind#1295
• Raw Printing: Fix regression with Vietnamese codepages qzind#1290, qzind#281
• Windows: Remove WMIC dependency qzind#1334
• Windows Printers: Fix status reporting for network-attached printers qzind#1344
• Windows Printers: Fix qz.printers.clearQueue qzind#1305
• macOS: Suppress Rosetta 2 prompt on Apple Silicon qzind#1284
• WebSocket: Improve handling of ClosedChannelException qzind#1300
• File IO: Filter file events for "breadcrumb" files qzind#1279
• Socket IO: Fix encoding and endless callbacks qzind#1283
• Printer Details: Fix driver name for AirPrint printers qzind#1280
• Provisioning: Fix IndexOutOfBoundsException when matching certain file extensions qzind#1331
• Signing: Fix reentry race condition with qz.security.setSignatureAlgorithm qzind#1302
• Site Manager: Always show time zone for certificate expiration qzind#1289

Maintenance

• Initial support for Java 21 qzind#1222
• Update code-signing certificates for Apple, Windows qzind#1330, qzind#1336
• Update demo page certificate qzind#1293
• Add support for bundling 32-bit JDKs 33824c3
• This tag also includes the following fixes from 2.2.4+2: qzind#1282, qzind#137, qzind#1265

Security

• Printing to a file has been disabled. It can be enabled via security.print.tofile (qzind#1213)
• Printing from non-HTTP/non-HTTPS origins is disabled. It can be enabled via security.data.protocols (qzind#1213)
• Additional system properties to harden file reading/writing (qzind#1213)

Features

• Substitutions: Allow JSON data substitutions client-side (qzind#1258)
  • https://qz.io/docs/substitutions
• Provisioning: Add custom deployment provisioning support (qzind#1190, qzind#1263)
  • https://qz.io/docs/provisioning
• Demo: Add file drag-and-drop support (qzind#1219)
• Demo: Add ESC/POS sample file to demo (qzind#1228)
• Printing: Added 'default' ColorType (qzind#1247)
• Printing: Add 'legacy' ESCPOS striping support (qzind#1254)
• Linux: Provide basic support for Linux ARM32 (qzind#1207)
• Linux: Add initial Linux RISC-V support (qzind#1208)

Fixes:

• Signing: Raise signing exceptions to the call stack (qzind#1273)
• Printing: Fix "PrintService is no longer available" (4748186)
• Printing: Fix PDF rendering issues with thin lines qzind#1171
• Printer Status: Don't throw status warnings for job deletions (qzind#1252)
• WebSocket: Disable SNI checks for HTTPS (qzind#1215)
• Serial: Add missing serial support for 2400 baud (qzind#1211, qzind#476)
• Windows: Fix hard crash when accessibility is enabled (qzind#1240)
• Windows: Fix hard crash when autostart folder is missing on Windows (qzind#1262)
• macOS: Fix macOS title bar for dark mode (qzind#1217)
• Linux: Fix gsettings exception on Linux (qzind#1209)
• Linux: Improve Linux HiDPI Support (qzind#1266)
• Company Branded: Fix color system tray icons for Company Branded builds (qzind#1221)

Developer:

• Consolidate and simplify SSL cert save logic (qzind#1223)

Features

• Allow cancelling of a WebSocket while connecting qzind#1117
• Allow printer details to report page sizes qzind#1148
• Allow IDE to close running instances qzind#1147
• Add support for Gnome Epiphany browser qzind#1131
• Add native support for Uint8Array types qzind#1098
• Add alternate PDF font rendering technique qzind#1108
• Add debugging to Apple installer qzind#1151
• Make logs size and rotation configurable qzind#1163
• Add support for JPEG2000 qzind#1169
• Allow setCertificatePromise to be rejectable qzind#1172

Fixes

• Fix a slowdown/deadlock scenario with printer statuses: qzind#1124 qzind#1181
• Honor auostart preference on Linux qzind#1091
• Fix corrupted UTF8 characters when printing 'plain' HTML qzind#1097
• Fix Firefox ESR on Debian qzind#1115
• Fix rotating images in headless environment qzind#1119
• Prevent socket deadlocks qzind#1146
• Ensure log files always end in ".log" qzind#1160
• Fix edge-case deadlock with HTML pages qzind#1184
• Prevent long running operations from blocking WebSocket pings qzind#1177
• Fix File IO bug with listening on a specific folder qzind#1202

Developer Notes

• Provide ability to specify a local, custom Java build qzind#1084

Full Changelog: qzind/tray@v2.2.2...v2.2.3