v2.0.8: Bugfixes, Fastboot improvements

What's changed

• Fastboot:
  • Enumerate storage devices
  • Add mount, unmount, and custom gadget support
  • Rename stage to download
  • Retry on transient USB errors
• OS Customisation:
  • Don't set any groups, leave it to the OS
  • Use explicit runcmds for passwordless sudo
  • Require active locale selection; no pre-filled defaults
• UI:
  • Refresh clipboard status as text fields show
• SSH:
  • Add state machine for handling PuTTY's multiline SSH keys
• Linux:
  • Explicitly exclude libsystemd
• Write Operations:
  • Increase watchdog stall timeout to 180s to match the async write timeout
  • Exclude final data sync from write watchdog to avoid false stalls on slow
    cards
• i18n: Updated French, Slovak translation dictionaries
• Documentation:
  • Add a screenshot of the interface

PRs

• Screenshot by @nafanz in #1559
• Improve french translation by @martignoni in #1560
• Added a state machine for handling PuTTY's multiline SSH keys by @bjepson in #1574
• 2.0.8: Bugfixes, fastboot improvements by @tdewey-rpi in #1582
• Update Slovak translation. by @jose1711 in #1571
• 2.0.8: GH templates, changelog by @tdewey-rpi in #1583
• fix(stall): Relax thresholds, don't count final sync as stallable. by @tdewey-rpi in #1584

New Contributors

• @bjepson made their first contribution in #1574

Full Changelog: v2.0.7...v2.0.8

v2.0.7

Release edit:

• Earlier macOS DMG was built for Apple Silicon only. Replaced Fri 27 March 2026 @ 15:15 GMT

What's Changed

• chore(release): v2.0.6 by @tdewey-rpi in #1477
• feat(installer): Add windows installer dark mode support in rpi-imager.iss.in by @rc-chuah in #1480
• fix(main): Add warning for log paths that are too long by @Ferdinaelectro1 in #1481
• Add pt-br translation by @eduardoaddad in #1490
• Update Turkish translations by @Sype0 in #1488
• Added documentation clarifying the interaction between old versions of Imager and new versions of RPi OS by @lurch in #1497
• Fix malformed rpi-imager_pt-BR.ts by @lurch in #1499
• Move the development instructions to a separate CONTRIBUTING.md file by @lurch in #1508
• QML: fix property name mismatch in ImFileDialog by @wallentx in #1505
• 2.0.7: Remove legacy mountutils/drivelist, bugfixes by @tdewey-rpi in #1513
• fix(debian): Add missing GUI library dependencies by @tdewey-rpi in #1517
• 2.0.7: Improved combobox search, HK & Macau added, don't store experimental options by @tdewey-rpi in #1525
• 2.0.7: Remove BLKDISCARD, gzip progress bars by @tdewey-rpi in #1528
• Add "Clear saved customisation" button to App Options by @4RH1T3CT0R7 in #1501
• fix(cloud-init): Make instance-id durable across reboots by @tdewey-rpi in #1529
• fix(capital-cities): Update capital city entries and handling for Hong Kong by @tdewey-rpi in #1531
• fix(ImFileDialog): allow typing/pasting full file paths in open mode by @4RH1T3CT0R7 in #1530
• fix(ImComboBox): use PlatformHelper for scroll direction in closed ComboBox by @4RH1T3CT0R7 in #1534
• Fix compile erorr in platformquirks_linux.cpp by @lurch in #1537
• fix(beep): bundle fallback chime for Linux distros without freedesktop sounds by @4RH1T3CT0R7 in #1535
• fix(polkit): use /etc/polkit-1/actions for policy on immutable distros by @4RH1T3CT0R7 in #1536
• fix(wifi): prevent stale WiFi settings from being applied after Skip by @4RH1T3CT0R7 in #1540
• 2.0.7 rollup 2: Fastboot, rpiboot, compute modules, text scaling, proxy support by @tdewey-rpi in #1548
• fix(i18n): add missing French translations for saved customisation settings by @Ferdinaelectro1 in #1555
• chore(.gitignore) : add .idea to .gitignore by @Ferdinaelectro1 in #1552
• i18n: complete zh-CN translation by @ykla in #1554

New Contributors

• @rc-chuah made their first contribution in #1480
• @Ferdinaelectro1 made their first contribution in #1481
• @eduardoaddad made their first contribution in #1490
• @Sype0 made their first contribution in #1488
• @wallentx made their first contribution in #1505
• @4RH1T3CT0R7 made their first contribution in #1501

Full Changelog: v2.0.6...v2.0.7

v2.0.7-rc2: UI polish, experimental features

What's Changed

• chore(release): v2.0.6 by @tdewey-rpi in #1477
• feat(installer): Add windows installer dark mode support in rpi-imager.iss.in by @rc-chuah in #1480
• fix(main): Add warning for log paths that are too long by @Ferdinaelectro1 in #1481
• Add pt-br translation by @eduardoaddad in #1490
• Update Turkish translations by @Sype0 in #1488
• Added documentation clarifying the interaction between old versions of Imager and new versions of RPi OS by @lurch in #1497
• Fix malformed rpi-imager_pt-BR.ts by @lurch in #1499
• Move the development instructions to a separate CONTRIBUTING.md file by @lurch in #1508
• QML: fix property name mismatch in ImFileDialog by @wallentx in #1505
• 2.0.7: Remove legacy mountutils/drivelist, bugfixes by @tdewey-rpi in #1513
• fix(debian): Add missing GUI library dependencies by @tdewey-rpi in #1517
• 2.0.7: Improved combobox search, HK & Macau added, don't store experimental options by @tdewey-rpi in #1525
• 2.0.7: Remove BLKDISCARD, gzip progress bars by @tdewey-rpi in #1528
• Add "Clear saved customisation" button to App Options by @4RH1T3CT0R7 in #1501
• fix(cloud-init): Make instance-id durable across reboots by @tdewey-rpi in #1529
• fix(capital-cities): Update capital city entries and handling for Hong Kong by @tdewey-rpi in #1531
• fix(ImFileDialog): allow typing/pasting full file paths in open mode by @4RH1T3CT0R7 in #1530
• fix(ImComboBox): use PlatformHelper for scroll direction in closed ComboBox by @4RH1T3CT0R7 in #1534
• Fix compile erorr in platformquirks_linux.cpp by @lurch in #1537
• fix(beep): bundle fallback chime for Linux distros without freedesktop sounds by @4RH1T3CT0R7 in #1535
• fix(polkit): use /etc/polkit-1/actions for policy on immutable distros by @4RH1T3CT0R7 in #1536
• fix(wifi): prevent stale WiFi settings from being applied after Skip by @4RH1T3CT0R7 in #1540
• 2.0.7 rollup 2: Fastboot, rpiboot, compute modules, text scaling, proxy support by @tdewey-rpi in #1548

New Contributors

• @rc-chuah made their first contribution in #1480
• @Ferdinaelectro1 made their first contribution in #1481
• @eduardoaddad made their first contribution in #1490
• @Sype0 made their first contribution in #1488
• @wallentx made their first contribution in #1505
• @4RH1T3CT0R7 made their first contribution in #1501

Full Changelog: v2.0.6...v2.0.7-rc2

v2.0.6: Fixup button width calculations, DE translation

What's Changed

• Update de translations by @rejas in #1468
• refactor(ImButton): Update implicit width calculation for better cont… by @tdewey-rpi in #1473

Full Changelog: v2.0.5...v2.0.6

v2.0.5

What's Changed

• all platforms: CLI option added to help on GUI builds
• macOS:
  • Add dark mode and Liquid Glass icon support with pre-compiled assets
  • Add icon compilation script for regenerating icon assets
• UI:
  • Enhance update popup with version tracking functionality
  • Improve BaseDialog minimum height for better usability
  • Use indeterminate progressbar for local gzip files without size info
  • Fixup updatePopupRequested trigger
• Local JSON Helper:
  • Add device capabilities support
  • Add OS capabilities support

PRs

• Add capabilities to create_local_json by @tdewey-rpi in #1458
• v2.0.5: Update dialog fixed, macOS icon variants fixed by @tdewey-rpi in #1465

Full Changelog: v2.0.4...v2.0.5

v2.0.4

What's new

• Write Robustness:
  • Introduce WriteProgressWatchdog to monitor write progress and detect stalls
  • Implement recovery strategies for async I/O including queue depth reduction
    and sync fallback mechanisms
  • Standardize timeout handling for pending writes across all platforms
  • Add 5-minute emergency timeout as fallback for stalled operations
• Performance:
  • Enhance recovery event handling and monitoring diagnostics
  • Capture SHA256 hash values in performance profiles for verification diagnostics
• Image Handling:
  • Add support for parsing .gz files to extract uncompressed size information
  • Improve handling for files larger than 4GB
• Disk Formatting:
  • Fix FAT32 formatting for large drives (>8GB)
  • Improve root directory handling based on sectors per cluster
• Bug Fixes:
  • Fix external tools (runuser, xdg-open) failing in AppImage due to
    LD_LIBRARY_PATH conflicts causing PAM module loading errors
  • Improve thread safety for download cancellation
  • Enhance error handling for timeout conditions
  • Use Pathlib to generate file:// URIs in local JSON helper script
  • Use XDG-compliant canberra-gtk-play and PipeWire for audio notifications
    on Linux, fixing beep on Raspberry Pi OS which no longer ships PulseAudio control by default
• Accessibility:
  • Bypass confirmation dialog timer when screen reader is active
• Build:
  • Refactor Qt build scripts for improved POSIX compliance and consistency
  • Add macOS-specific optimizations for universal builds

PRs

• Use Pathlib to generate file:// URIs, instead of creating them manually by @lurch in #1423
• fix(DiskFormatter): Large drive handling (>8GB) by @tdewey-rpi in #1451
• feat(ImageWriter): Add support for parsing .gz files for size informa… by @tdewey-rpi in #1452
• fix(asyncio): Fix behaviour with misbehaving storage devices by @tdewey-rpi in #1453
• chore(release): v2.0.4 by @tdewey-rpi in #1454
• Update rpi-imager_ca.ts by @xeanhort in #1424
• v2.0.4: Capture Sha256 verification hashes in performance profiles by @tdewey-rpi in #1456
• update korean translate by @RuffaloLavoisier in #1430

New Contributors

• @xeanhort made their first contribution in #1424

Full Changelog: v2.0.3...v2.0.4

2.0.3: Performance, bugfixes

✨ Features

Performance

• Implement bottleneck detection and real-time progress updates showing network, decompression, or write-bound status
• Add detailed write timing breakdown for hypothesis testing and performance analysis
• Skip periodic sync when direct I/O is enabled to improve throughput
• Enhance async I/O support and configuration options across all platforms

Networking

• Implement comprehensive network monitoring across all platforms to detect connectivity changes and automatically retry OS list fetching
• Add automatic fallback and retry logic when network connection is restored
• Introduce CurlFetcher and CurlNetworkConfig for improved network operations with better error handling
• Add CA certificate bundle detection for AppImage compatibility on Linux distributions with non-standard CA paths
• Enable file:// protocol support in curl configuration for local repository testing

Custom Repositories

• Add rpi-imager:// URI scheme for deep-linking to custom OS repositories (e.g., rpi-imager://open?repo=https://example.com/repo.json)
• Register .rpi-imager-manifest file type association on macOS (UTI), Windows (registry), and Linux (MIME)
• Show custom repository host in window title bar with punycode encoding to prevent IDN homograph attacks
• Add confirmation dialog with security delay for remote repository URLs

Drive Handling

• Detect and handle counterfeit storage devices that may hang during I/O operations
• Add timeout mechanism for critical operations like BLKDISCARD and writing to the end of the device
• Add debug option to skip end-of-device operations for users with problematic cards
• Add support for NVMe over Fabrics (BusTypeNvmeof) bus type on Windows
• Enhance storage bus type recognition and device classification
• Improve drive filtering and system identification logic on Linux

User Interface

• Add sticky language preference that remembers user selection across sessions
• Enhance title display with offline status indication in the main window
• Improve text wrapping and marquee scrolling throughout the UI
• Make DebugOptionsDialog height responsive to window size

Customisation

• Enhance WiFi configuration for open networks using key_mgmt=NONE
• Refine cloud-init user data and network configuration generation
• Add initFormat parameter to CLI setImageCustomisation call

Windows

• Enhance uninstallation to clean up old installation directories and registry entries left by previous installers
• Improve user prompts during install/uninstall for detecting previous installations

CLI

• Add note about using the --repo flag to load local os_list_local.json files
• Fix error message displayed when CLI build is run without sudo
• Use ANSI escape sequences for _clearLine for better terminal compatibility

🐛 Bug Fixes

• Fix language selection on Desktop not persisting correctly
• Fix button layout for permission warning dialog
• Fix async write IDs overlapping with cancellation markers
• Fix async cache hash not resetting on open, ensuring fresh computation
• Fix unmounting logic and error handling during write operations
• Fix hardware and software capability checks for case insensitivity
• Fix display of customRepoHost in repository dialogs
• Fix translation of permissions-message dialog (strings were being translated too early)
• Fix macOS build configuration

🌍 Internationalisation

• Updated Spanish translation
• Updated Czech translation
• Updated French translation (multiple updates)
• Updated Russian translation
• Updated Portuguese translation
• Add new translations and error messages for multiple languages

📦 Dependencies

• Update bundled library versions
• Update timezone data version
• Update capital cities database

2.0.2: Bugfixes & UI fixes

✨ Features

Performance

• Add direct I/O bypass for Linux (O_DIRECT), macOS (F_NOCACHE), and Windows (FILE_FLAG_NO_BUFFERING) to reduce memory pressure during writes
• Add zero-copy ring buffer for data transfer between download and write threads, reducing CPU overhead
• Add asynchronous cache file writer to overlap download and disk I/O operations
• Dynamically adjust write queue depth based on available system memory, tuned for more aggressive performance
• Add sequential read hints (FADV_SEQUENTIAL, F_RDAHEAD) during verification for better prefetching
• Track detailed performance metrics for network, decompression, and write phases
• Use Windows IOCTLs (IOCTL_DISK_DELETE_DRIVE_LAYOUT) for faster disk preparation instead of diskpart
• Add performance data analysis tool for debugging slow writes (Press CTRL + SHIFT + P, save the JSON, attach to a new Issue).

Drive Handling

• Switch drive polling from fixed 1-second interval to adaptive mode (fast during selection, paused during writes)
• Fix NVMe namespace detection on Linux to correctly identify NVMe drives by parsing /sys/class/nvme/
• Suppress Windows "Insert a disk" error dialog when accessing empty removable drives
• Fix macOS APFS volume handling to correctly identify child partitions
• Allow virtual disks to be treated as 'system' drives on Windows & Linux (macOS was supported from 2.0.0)

User Interface

• Add password field component with show/hide toggle button
• Add type-to-search in combo boxes with backspace support to delete characters
• Add Enter key to open combo box dropdown when focused
• Show device and OS names with tooltips when text is truncated
• Restructure countdown timer before write confirmation dialog can be accepted
• Fix bottom padding in write confirmation dialog
• Reintroduce multiple SSH key support

Accessibility

• Add proper focus order and keyboard navigation for screen readers across all dialogs
• Move accessibility description properties to centralized form label component

macOS

• Add file type filter popup to native save dialogs (matching Finder behavior)
• Request location permission asynchronously to avoid blocking the UI when detecting WiFi networks
• Add dark mode, tinted and clear Liquid Glass icon variants using Icon Composer for proper menu bar appearance

Linux

• Fix X11 authorization when running AppImage as root via xhost and proper XAUTHORITY handling
• Install scalable SVG icon instead of fixed-size PNG for better HiDPI support

Windows

• Migrate file dialogs from legacy GetOpenFileName API to modern IFileDialog COM interface
• Fix file dialog filter string requiring double-null termination
• Fix scroll direction on ImComboBox

Customization

• Allow SSH public key authentication without requiring a username/password to be set
• Fix missing user creation block when not enabling SSH

Networking

• Add automatic fallback from HTTP/2 to HTTP/1.1 after repeated failures
• Log HTTP protocol version used on successful downloads
• Skip error dialogs when user cancels download mid-transfer
• Properly close file handles when operations are cancelled

Other

• Add file logging support (--log-file command line argument)
• Re-use ring buffer memory for SHA256 verification instead of allocating new buffers
• Validate init_format field in OS list JSON and log warnings for invalid entries
• Extract clean version string (X.Y.Z) for telemetry instead of full build string
• Add privilege escalation support for elevatable application bundles

🐛 Bug Fixes

• Fix SSH key file dialog filter on Windows (was passing list instead of string)
• Fix Italian translation inconsistencies
• Fix icon installation path for Linux desktop integration
• Fix cloud-init user-data generation for Pi Connect configuration
• Remove O_SYNC flag from file operations (was causing unnecessary performance penalty)

🌍 Internationalization

• Add Romanian translation
• Add Italian translation
• Add Czech translation
• Updated Russian translation
• Updated French translation
• Update translations for new MacFile and NativeFileDialog strings
• Add en-US translation

🎨 Icons

• New Windows and Linux application icons
• macOS icon with light/dark mode variants
• Add scripts to regenerate platform icons from source SVG

What's Changed

• 2.0.2: Refinement by @tdewey-rpi in #1314
• Romanian translation added by @valimaties in #1350
• Update Portuguese translation by @hugok79 in #1353
• Translate strings into French by @martignoni in #1323
• Czech translation added by @walken11 in #1375

New Contributors

• @valimaties made their first contribution in #1350
• @walken11 made their first contribution in #1375

Full Changelog: v2.0.1...v2.0.2

v2.0.0: A new Imager

Headline

What if we just changed...everything*?

https://www.raspberrypi.com/news/a-new-raspberry-pi-imager/

*(311 changed files with 79,315 additions and 17,156 deletions, to be more accurate)

What's Changed

• New UI
• New installer for Windows
• New back-end writing algorithms
• New download algorithms
• Accessbility annotations throughout
• Raspberry Pi Connect integration
• Keyboard navigation
• Enhanced guardrails
• New CLI-only package
• So, so much more.

New Contributors

• @paulober made their first contribution in #1181
• @mhalano made their first contribution in #1204
• @Omikorin made their first contribution in #1218

Full Changelog: v1.9.6...v2.0.0

v2.0.0-rc4: Accessibility, Open WiFi, rpi-connect Windows fixes

What's Changed

• Update to new imager 2.0 json spec by @paulober in #1248
• Fix wifi country decoding and cloud-init netcfg for public networks by @paulober in #1249
• feat(ifAndFeaturesStep+cloudinit): Add 1-Wire support by @paulober in #1256
• fix(IfAndFeaturesStep): Update focus group handling for gadget confirmation dialog by @paulober in #1257
• Fix rpi-connect cb by adding Qt IPC and single-instance on Windows by @paulober in #1253
• feat(DoneStep): Add interfaces and features to done summary by @paulober in #1258
• fix(WifiStep): Update hidden ssid setting restoring by @paulober in #1259
• fix(ImOptionButton): Update broken references + improve accessibility by @paulober in #1260
• fix(RepositoryDialog): Dynamic retrieval of default repo URL by @paulober in #1261
• feat(WifiStep): Open/Secure Wi-Fi mode UI separation by @paulober in #1265
• Update Georgian translation by @NorwayFun in #1264
• i18n: Hebrew translation update by @yarons in #1254
• Update german translation (again) by @rejas in #1245

Full Changelog: v2.0.0-rc3...v2.0.0-rc4