The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

• Implement Docker ENV variable for --cleanup-local-files
• Setup a specific SIGPIPE Signal handler for curl/openssl generated signals
• Add Check Spelling GitHub Action
• Add passive database checkpoints to optimise database operations
• Ensure application notifies user of curl versions that contain HTTP/2 bugs that impact the operation of this client
• Add OpenSSL version warning

• Specifically use a 'mutex' to perform the lock on database actions
• Update safeBackup to use a new filename format for easier identification: filename-hostname-safeBackup-number.file_extension
• Allow no-sync operations to complete online account checks

• Improve performance with reduced execution time and lower CPU/system resource usage
• Fix that a 'sync_list' entry of '/' will cause a index [0] is out of bounds
• Fix that when creating a new folder online the application generates an exception if it is in a Shared Online Folder
• Fix application crash when session upload files contain zero data or are corrupt
• Fix regression for Docker 'sync_dir' use
• Fix that curl generates a SIGPIPE that causes application to exit due to upstream device killing idle TCP connection
• Fix that skip_dir is not flagging directories correctly causing deletion if parental path structure needs to be created for sync_list handling
• Fix application crash caused by unable to drop table
• Fix that skip_file in config does not override defaults
• Handle DB upgrades from v2.4.x without causing application crash
• Fix a database statement execution error occurred: NOT NULL constraint failed: item.type due to Microsoft OneNote items
• Fix Operation not permitted FileException Error when attempting to use setTimes() function
• Fix that files with no mime type cause sync to crash
• Fix that bypass_data_preservation operates as intended

• Fixed spelling errors across all documentation and code
• Update Dockerfile-debian to fix that libcurl4 does not get applied despite being pulled in. Explicitly install it from Debian 12 Backports
• Add Ubuntu 24.10 OpenSuSE Build Service details
• Update Dockerfile-alpine - revert to Alpine 3.19 as application fails to run on Alpine 3.20
• Updated documentation

• Added 15 second sleep to systemd services to allow d-bus daemon to start and be available if present

• Fix Bug: Application crash unable to correctly process a timestamp that has fractional seconds
• Fix Bug: Fixed application logging output of Personal Shared Folder incorrectly advising there is no free space

• Updated documentation

A special thankyou to @phlibi for assistance with diagnosing and troubleshooting the database timestamp issue

• Implement Feature Request: Don't print the d-bus WARNING if disable_notifications is set on cmd line or in config

• Add --enable-debug to Docker files when building client application to allow for better diagnostics when issues occur
• Update Debian Dockerfile to use 'curl' from backports so a more modern curl version is used

• Fix Regression: Fix regression of extra quotation marks when using ONEDRIVE_SINGLE_DIRECTORY with Docker
• Fix Regression: Fix regression that real-time synchronization is not occurring when using --monitor and sync_list
• Fix Regression: Fix regression that --remove-source-files doesn’t work
• Fix Bug: Application crash when run synchronize due to negative free space online
• Fix Bug: Application crash when performing a URL decode
• Fix Bug: Application crash when using sync_list and Personal Shared Folders the root folder fails to present the item id
• Fix Bug: Application crash when attempting to read timestamp from database as invalid data was written

• Updated documentation (various)

A special thankyou to all those who helped with testing and providing feedback during the development of this major release. A big thankyou to:

• @JC-comp
• @Lyncredible
• @rrodrigueznt
• @bpozdena
• @hskrieg
• @robertschulze
• @aothmane-control
• @mozram
• @LunCh-CECNL
• @pkolmann
• @tdcockers
• @undefiened
• @cyb3rko

• This version introduces significant changes regarding how the integrity and validation of your data is determined and is not backwards compatible with v2.4.x.
• OneDrive Business Shared Folder Sync has been 100% re-written in v2.5.0. If you are using this feature, please read the new documentation carefully.
• The application function --download-only no longer automatically deletes local files. Please read the new documentation regarding this feature.

• Renamed various documentation files to align with document content
• Implement buffered logging so that all logging from all upload & download activities are handled correctly
• Replace polling monitor loop with blocking wait
• Update how the application utilises curl to fix socket reuse
• Various performance enhancements
• Implement refactored OneDrive API logic
• Enforcement of operational conflicts
• Enforcement of application configuration defaults and minimums
• Utilise threadsafe sqlite DB access methods
• Various bugs and other issues identified during development and testing
• Various code cleanup and optimisations

• Fix Bug: Upload only not working with Business shared folders
• Fix Bug: Business shared folders with same basename get merged
• Fix Bug: --dry-run prevents authorization
• Fix Bug: Log timestamps lacking trailing zeros, leading to poor log file output alignment
• Fix Bug: Subscription ID already exists when using webhooks
• Fix Bug: Not all files being downloaded when API data includes HTML ASCII Control Sequences
• Fix Bug: --display-sync-status does not work when OneNote sections (.one files) are in your OneDrive
• Fix Bug: vim backups when editing files cause edited file to be deleted rather than the edited file being uploaded
• Fix Bug: skip_dir does not always work as intended for all directory entries
• Fix Bug: Online date being changed in download-only mode
• Fix Bug: Resolve that download_only = "true" and cleanup_local_files = "true" also deletes files present online
• Fix Bug: Resolve that upload session are not canceled with resync option
• Fix Bug: Local files should be safely backed up when the item is not in sync locally to prevent data loss when they are deleted online
• Fix Bug: Files with newer timestamp are not chosen as version to be kept
• Fix Bug: Synced file is removed when updated on the remote while being processed by onedrive
• Fix Bug: Cannot select/filter within Personal Shared Folders
• Fix Bug: HTML encoding requires to add filter entries twice
• Fix Bug: Uploading files using fragments stuck at 0%
• Fix Bug: Implement safeguard when sync_dir is missing and is re-created data is not deleted online
• Fix Bug: Fix that --get-sharepoint-drive-id does not handle a SharePoint site with more than 200 entries
• Fix Bug: Fix that 'sync_list' does not include files that should be included, when specified just as *.ext_type
• Fix Bug: Fix 'sync_list' processing so that '.folder_name' is excluded but 'folder_name' is included

• Implement Feature Request: Multi-threaded uploading/downloading of files
• Implement Feature Request: Renaming/Relocation of OneDrive Business shared folders
• Implement Feature Request: Support the syncing of individual business shared files
• Implement Feature Request: Implement application output to detail upload|download failures at the end of a sync process
• Implement Feature Request: Log when manual Authorization is required when using --auth-files
• Implement Feature Request: Add cmdline parameter to display (human readable) quota status
• Implement Feature Request: Add capability to disable 'fullscan_frequency'
• Implement Feature Request: Ability to set --disable-download-validation from Docker environment variable
• Implement Feature Request: Ability to set --sync-shared-files from Docker environment variable
• Implement Feature Request: file sync (upload/download/delete) notifications

• Overhauled all documentation

• Fixed that the application was reporting as v2.2.24 when in fact it was v2.4.24 (release tagging issue)
• Fixed that the running version obsolete flag (due to above issue) was causing a false flag as being obsolete
• Fixed that zero-byte files do not have a hash as reported by the OneDrive API thus should not generate an error message

• Update to Debian Docker file to resolve Docker image Operating System reported vulnerabilities
• Update to Alpine Docker file to resolve Docker image Operating System reported vulnerabilities
• Update to Fedora Docker file to resolve Docker image Operating System reported vulnerabilities
• Updated documentation (various)

• Fix for extra encoded quotation marks surrounding Docker environment variables
• Fix webhook subscription creation for SharePoint Libraries
• Fix that a HTTP 504 - Gateway Timeout causes local files to be deleted when using --download-only & --cleanup-local-files mode
• Fix that folders are renamed despite using --dry-run
• Fix deprecation warnings with dmd 2.103.0
• Fix error that the application is unable to perform a database vacuum: out of memory when exiting

• Remove sha1 from being used by the client as this is being deprecated by Microsoft in July 2023
• Complete the removal of crc32 elements

• Added ONEDRIVE_SINGLE_DIRECTORY configuration capability to Docker
• Added --get-file-link shell completion
• Added configuration to allow HTTP session timeout(s) tuning via config (taken from v2.5.x)

• Update to Debian Docker file to resolve Docker image Operating System reported vulnerabilities
• Update to Alpine Docker file to resolve Docker image Operating System reported vulnerabilities
• Update to Fedora Docker file to resolve Docker image Operating System reported vulnerabilities
• Updated cgi.d to commit 680003a - last upstream change before requiring core.d dependency requirement
• Updated documentation (various)

• Fixed RHEL7, RHEL8 and RHEL9 Makefile and SPEC file compatibility

• Disable systemd 'PrivateUsers' due to issues with systemd running processes when option is enabled, causes local file deletes on RHEL based systems

• Update --get-O365-drive-id error handling to display a more a more appropriate error message if the API cannot be found
• Update the GitHub version check to utilise the date a release was done, to allow 1 month grace period before generating obsolete version message
• Update Alpine Dockerfile to use Alpine 3.17 and Golang 1.19
• Update handling of --source-directory and --destination-directory if one is empty or missing and if used with --synchronize or --monitor
• Updated documentation (various)

• Fix application crash when local file is changed to a symbolic link with non-existent target
• Fix build error with dmd-2.101.0
• Fix build error with LDC 1.28.1 on Alpine
• Fix issue of silent exit when unable to delete local files when using --cleanup-local-files
• Fix application crash due to access permissions on configured path for sync_dir
• Fix potential application crash when exiting due to failure state and unable to cleanly shutdown the database
• Fix creation of parent empty directories when parent is excluded by sync_list

• Added performance output details for key functions

• Switch Docker 'latest' to point at Debian builds rather than Fedora due to ongoing Fedora build failures
• Align application logging events to actual application defaults for --monitor operations
• Performance Improvement: Avoid duplicate costly path calculations and DB operations if not required
• Disable non-working remaining sandboxing options within systemd service files
• Performance Improvement: Only check 'sync_list' if this has been enabled and configured
• Display 'Sync with OneDrive is complete' when using --synchronize
• Change the order of processing between Microsoft OneDrive restrictions and limitations check and skip_file|skip_dir check

• Remove building Fedora ARMv7 builds due to ongoing build failures

• Update config change detection handling
• Updated documentation (various)

• Fix that the download progress bar doesn't always reach 100% when rate_limit is set
• Fix --resync handling of database file removal
• Fix Makefile to be consistent with permissions that are being used
• Fix that logging output for skipped uploaded files is missing
• Fix to allow non-sync tasks while sync is running
• Fix where --resync is enforced for non-sync operations
• Fix to resolve segfault when running 'onedrive --display-sync-status' when run as 2nd process
• Fix DMD 2.100.2 depreciation warning

• Add GitHub Action Test Build Workflow (replacing Travis CI)
• Add option --display-running-config to display the running configuration as used at application startup
• Add 'config' option to request readonly access in oauth authorization step
• Add option --cleanup-local-files to cleanup local files regardless of sync state when using --download-only
• Add option --with-editing-perms to create a read-write shareable link when used with --create-share-link

• Change the exit code of the application to 126 when a --resync is required

• Updated --get-O365-drive-id implementation for data access
• Update what application options require an argument
• Update application logging output for error messages to remove certain \n prefix when logging to a file
• Update onedrive.spec.in to fix error building RPM
• Update GUI notification handling for specific skipped scenarios
• Updated documentation (various)

• Fix 'foreign key constraint failed' when using OneDrive Business Shared Folders due to change to using /delta query
• Fix various little spelling errors (checked with lintian during Debian packaging)
• Fix handling of a custom configuration directory when using --confdir
• Fix to ensure that any active http instance is shutdown before any application exit
• Fix to enforce that --confdir must be a directory

• Added 'force_http_11' configuration option to allow forcing HTTP/1.1 operations

• Increased thread sleep for better process I/O wait handling
• Removed 'force_http_2' configuration option

• Update OneDrive API response handling for National Cloud Deployments
• Updated to switch to using curl defaults for HTTP/2 operations
• Updated documentation (various)

• Update Business Shared Folders to use a /delta query
• Update when DB is updated by OneDrive API data and update when file hash is required to be generated

• Added ONEDRIVE_UPLOADONLY flag for Docker

• Updated GitHub workflows
• Updated documentation (various)

• Fixed various database related access issues stemming from running multiple instances of the application at the same time using the same configuration data
• Fixed --display-config being impacted by --resync flag
• Fixed installation permissions for onedrive man-pages file
• Fixed that in some situations that users try --upload-only and --download-only together which is not possible
• Fixed application crash if unable to read required hash files

• Added Feature Request to add an override for skip_dir|skip_file through flag to force sync
• Added a check to validate local filesystem available space before attempting file download
• Added GitHub Actions to build Docker containers and push to DockerHub

• Updated all Docker build files to current distributions, using updated distribution LDC version
• Updated logging output to logfiles when an actual sync process is occurring
• Updated output of --display-config to be more relevant
• Updated manpage to align with application configuration
• Updated documentation and Docker files based on minimum compiler versions to dmd-2.088.0 and ldc-1.18.0
• Updated documentation (various)

• Fix docker build, by add missing git package for Fedora builds
• Fix application crash when attempting to sync a broken symbolic link
• Fix Internet connect disruption retry handling and logging output
• Fix local folder creation timestamp with timestamp from OneDrive
• Fix logging output when download failed

• Add additional logging specifically for delete event to denote in log output the source of a deletion event when running in --monitor mode

• Improve when the local database integrity check is performed and on what frequency the database integrity check is performed

• Remove application output ambiguity on how to access 'help' for the client
• Update logging output when running in --monitor --verbose mode in regards to the inotify events
• Updated documentation (various)

• Update application file logging error handling
• Explicitly set libcurl options
• Fix that when a sync_list exclusion is matched, the item needs to be excluded when using --resync
• Fix so that application can be compiled correctly on Android hosts
• Fix the handling of 429 and 5xx responses when they are generated by OneDrive in a self-referencing circular pattern
• Fix applying permissions to volume directories when running in rootless podman
• Fix unhandled errors from OneDrive when initialising subscriptions fail

• Enable GitHub Sponsors
• Implement --resync-auth to enable CLI passing in of --rsync approval
• Add function to check client version vs latest GitHub release
• Add --reauth to allow easy re-authentication of the client
• Implement --modified-by to display who last modified a file and when the modification was done
• Implement feature request to mark partially-downloaded files as .partial during download
• Add documentation for Podman support

• Document risk regarding using --resync and force user acceptance of usage risk to proceed
• Use YAML for Bug Reports and Feature Requests
• Update Dockerfiles to use more modern base Linux distribution

• Updated documentation (various)

• Fix unable to upload to OneDrive Business Shared Folders due to OneDrive API restricting quota information
• Update fixing edge case with OneDrive Personal Shared Folders and --resync --upload-only

• Add SystemD hardening
• Add --operation-timeout argument

• Updated minimum compiler versions to dmd-2.087.0 and ldc-1.17.0

• Updated Dockerfile-alpine to use Alpine 3.14
• Updated documentation (various)

• Support DMD 2.097.0 as compiler for Docker Builds
• Fix getPathDetailsByDriveId query when using --dry-run and a nested path with --single-directory
• Fix edge case when syncing OneDrive Personal Shared Folders
• Catch unhandled API response errors when querying OneDrive Business Shared Folders
• Catch unhandled API response errors when listing OneDrive Business Shared Folders
• Fix error 'Key not found: remaining' with Business Shared Folders (OneDrive API change)
• Fix overwriting local files with older versions from OneDrive when items.sqlite3 does not exist and --resync is not used

• Added operation_timeout as a new configuration to assist in cases where operations take longer that 1h to complete
• Add Real-Time syncing of remote updates via webhooks
• Add --auth-response option and expose through entrypoint.sh for Docker
• Add --disable-download-validation

• Always prompt for credentials for authentication rather than re-using cached browser details
• Do not re-auth on --logout

• Updated documentation (various)

• Support DMD 2.097.0 as compiler
• Fix to handle OneDrive API Bad Request response when querying if file exists
• Fix application crash and incorrect handling of --single-directory when syncing a OneDrive Business Shared Folder due to using 'Add Shortcut to My Files'
• Fix application crash due to invalid UTF-8 sequence in the pathname for the application configuration
• Fix error message when deleting a large number of files
• Fix Docker build process to source GOSU keys from updated GPG key location
• Fix application crash due to a conversion overflow when calculating file offset for session uploads
• Fix Docker Alpine build failing due to filesystem permissions issue due to Docker build system and Alpine Linux 3.14 incompatibility
• Fix that Business Shared Folders with parentheses are ignored

• Updated Lock Bot to run daily
• Updated documentation (various)

• Fix an unhandled Error 412 when uploading modified files to OneDrive Business Accounts
• Fix 'sync_list' handling of inclusions when name is included in another folders name
• Fix that options --upload-only & --remove-source-files are ignored on an upload session restore
• Fix to add file check when adding item to database if using --upload-only --remove-source-files
• Fix application crash when SharePoint displayName is being withheld

• Updated Lock Bot to use GitHub Actions
• Updated documentation (various)

• Fix support for '/*' regardless of location within sync_list file
• Fix 429 response handling correctly check for 'retry-after' response header and use set value
• Fix 'sync_list' path handling for sub item matching, so that items in parent are not implicitly matched when there is no wildcard present
• Fix --get-O365-drive-id to use 'nextLink' value if present when searching for specific SharePoint site names
• Fix OneDrive Business Shared Folder existing name conflict check
• Fix incorrect error message 'Item cannot be deleted from OneDrive because it was not found in the local database' when item is actually present
• Fix application crash when unable to rename folder structure due to unhandled file-system issue
• Fix uploading documents to Shared Business Folders when the shared folder exists on a SharePoint site due to Microsoft Sharepoint 'enrichment' of files
• Fix that a file record is kept in database when using --no-remote-delete & --remove-source-files

• Added support in --get-O365-drive-id to provide the 'drive_id' for multiple 'document libraries' within a single Shared Library Site

• Removed the deprecated config option 'force_http_11' which was flagged as deprecated by PR #549 in v2.3.6 (June 2019)

• Updated error output of --get-O365-drive-id to provide more details why an error occurred if a SharePoint site lacks the details we need to perform the match
• Updated Docker build files for Raspberry Pi to dedicated armhf & aarch64 Dockerfiles
• Updated logging output when in --monitor mode, avoid outputting misleading logging when the new or modified item is a file, not a directory
• Updated documentation (various)

• Catch database assertion when item path cannot be calculated
• Fix alpine Docker build so it uses the same golang alpine version
• Search all distinct drive id's rather than just default drive id for --get-file-link
• Use correct driveId value to query for changes when using --single-directory
• Improve upload handling of files for SharePoint sites and detecting when SharePoint modifies the file post upload
• Correctly handle '~' when present in 'log_dir' configuration option
• Fix logging output when handing downloaded new files
• Fix to use correct path offset for sync_list exclusion matching

• Add upload speed metrics when files are uploaded and clarify that 'data to transfer' is what is needed to be downloaded from OneDrive
• Add new config option to rate limit connection to OneDrive
• Support new file maximum upload size of 250GB
• Support sync_list matching full path root wildcard with exclusions to simplify sync_list configuration

• Rename Office365.md --> SharePoint-Shared-Libraries.md which better describes this document
• Updated Dockerfile config for arm64
• Updated documentation (various)

• Fix to handle case where API provided deltaLink generates a further API error
• Fix application crash when unable to read a local file due to local file permissions
• Fix application crash when calculating the path length due to invalid UTF characters in local path
• Fix Docker build on Alpine due missing symbols due to using the edge version of ldc and ldc-runtime
• Fix application crash with --get-O365-drive-id when API response is restricted

• Add debug log output of the configured URL's which will be used throughout the application to remove any ambiguity as to using incorrect URL's when making API calls
• Improve application startup when using --monitor when there is no network connection to the OneDrive API and only initialise application once OneDrive API is reachable
• Add Docker environment variable to allow --logout for re-authentication

• Remove duplicate code for error output functions and enhance error logging output
• Updated documentation

• Fix to use config set option for 'remove_source_files' and 'skip_dir_strict_match' rather than ignore if set
• Fix download failure and crash due to incorrect local filesystem permissions when using mounted external devices
• Fix to not change permissions on pre-existing local directories
• Fix logging output when authentication authorisation fails to not say authorisation was successful
• Fix to check application_id before setting redirect URL when using specific Azure endpoints
• Fix application crash in --monitor mode due to 'Failed to stat file' when setgid is used on a directory and data cannot be read

• Added advanced-usage.md to document advanced client usage such as multi account configurations and Windows dual-boot

• Updated --verbose logging output for config options when set
• Updated documentation (man page, USAGE.md, Office365.md, BusinessSharedFolders.md)

• Fix debugging output for /delta changes available queries
• Fix logging output for modification comparison source data
• Fix Business Shared Folder handling to process only Shared Folders, not individually shared files
• Fix cleanup dryrun shm and wal files if they exist
• Fix --list-shared-folders to only show folders
• Fix to check for the presence of .nosync when processing DB entries
• Fix skip_dir matching when using --resync
• Fix uploading data to shared business folders when using --upload-only
• Fix to merge contents of SQLite WAL file into main database file on sync completion
• Fix to check if localModifiedTime is >= than item.mtime to avoid re-upload for equal modified time
• Fix to correctly set config directory permissions at first start

• Added environment variable to allow easy HTTPS debug in docker
• Added environment variable to allow download-only mode in Docker
• Implement Feature: Allow config to specify a tenant id for non-multi-tenant applications
• Implement Feature: Adding support for authentication with single tenant custom applications
• Implement Feature: Configure specific File and Folder Permissions

• Updated documentation (readme.md, install.md, usage.md, bug_report.md)

• Fix flagging of remaining free space when value is being restricted
• Fix --single-directory path handling when path does not exist locally
• Fix checking for 'Icon' path as no longer listed by Microsoft as an invalid file or folder name
• Fix removing child items on OneDrive when parent item responds with access denied
• Fix to handle deletion events for files when inotify events are missing
• Fix uninitialised value error as reported by valgrind
• Fix to handle deletion events for directories when inotify events are missing

• Implement Feature: Create shareable link
• Implement Feature: Support wildcard within sync_list entries
• Implement Feature: Support negative patterns in sync_list for fine grained exclusions
• Implement Feature: Multiple skip_dir & skip_file configuration rules
• Add GUI notification to advise users when the client needs to be reauthenticated

• Updated documentation (readme.md, install.md, usage.md, bug_report.md)

• Fixed fish auto completions installation destination

• Fix 'skip_dir' & 'skip_file' pattern matching to ensure correct matching is performed
• Fix 'skip_dir' & 'skip_file' so that each directive is only used against directories or files as required in --monitor
• Fix client hand when attempting to sync a Unix pipe file
• Fix --single-directory & 'sync_list' performance
• Fix erroneous 'return' statements which could prematurely end processing all changes returned from OneDrive
• Fix segfault when attempting to perform a comparison on an inotify event when determining if event path is directory or file
• Fix handling of Shared Folders to ensure these are checked against 'skip_dir' entries
• Fix 'Skipping uploading this new file as parent path is not in the database' when uploading to a Personal Shared Folder
• Fix how available free space is tracked when uploading files to OneDrive and Shared Folders
• Fix --single-directory handling of parent path matching if path is being seen for first time

• Added Fish auto completions

• Increase maximum individual file size to 100GB due to Microsoft file limit increase
• Update Docker build files and align version of compiler across all Docker builds
• Update Docker documentation
• Update NixOS build information
• Update the 'Processing XXXX' output to display the full path
• Update logging output when a sync starts and completes when using --monitor
• Update Office 365 / SharePoint site search query and response if query return zero match

• Check if symbolic link is relative to location path
• When using output logfile, fix inconsistent output spacing
• Perform initial sync at startup in monitor mode
• Handle a 'race' condition to process inotify events generated whilst performing DB or filesystem walk
• Fix segfault when moving folder outside the sync directory when using --monitor on Arch Linux

• Added additional inotify event debugging
• Added support for loading system configs if there's no user config
• Added Ubuntu installation details to include installing the client from a PPA
• Added openSUSE installation details to include installing the client from a package
• Added support for comments in sync_list file
• Implement recursive deletion when Retention Policy is enabled on OneDrive Business Accounts
• Implement support for National cloud deployments
• Implement OneDrive Business Shared Folders Support

• Updated documentation files (various)
• Updated log output messaging when a full scan has been set or triggered
• Updated buildNormalizedPath complexity to simplify code
• Updated to only process OneDrive Personal Shared Folders only if account type is 'personal'

• Fixed the catching of an unhandled exception when inotify throws an error
• Fixed an uncaught '100 Continue' response when files are being uploaded
• Fixed progress bar for uploads to be more accurate regarding percentage complete
• Fixed handling of database query enforcement if item is from a shared folder
• Fixed compiler depreciation of std.digest.digest
• Fixed checking & loading of configuration file sequence
• Fixed multiple issues reported by Valgrind
• Fixed double scan at application startup when using --monitor & --resync together
• Fixed when renaming a file locally, ensure that the target filename is valid before attempting to upload to OneDrive
• Fixed so that if a file is modified locally and --resync is used, rename the local file for data preservation to prevent local data loss

• Implement 'bypass_data_preservation' enhancement

• Changed the monitor interval default to 300 seconds

• Updated the handling of out-of-space message when OneDrive is out of space
• Updated debug logging for retry wait times

• Fixed the handling of renaming files to a name starting with a dot when skip_dotfiles = true
• Fixed the handling of parentheses from path or file names, when doing comparison with regex
• Fixed the handling of renaming dotfiles to another dotfile when skip_dotfile=true in monitor mode
• Fixed the handling of --dry-run and --resync together correctly as current database may be corrupt
• Fixed building on Alpine Linux under Docker
• Fixed the handling of --single-directory for --dry-run and --resync scenarios
• Fixed the handling of .nosync directive when downloading new files into existing directories that is (was) in sync
• Fixed the handling of zero-byte modified files for OneDrive Business
• Fixed skip_dotfiles handling of .folders when in monitor mode to prevent monitoring
• Fixed the handling of '.folder' -> 'folder' move when skip_dotfiles is enabled
• Fixed the handling of folders that cannot be read (permission error) if parent should be skipped
• Fixed the handling of moving folders from skipped directory to non-skipped directory via OneDrive web interface
• Fixed building on CentOS Linux under Docker
• Fixed Codacy reported issues: double quote to prevent globbing and word splitting
• Fixed an assertion when attempting to compute complex path comparison from shared folders
• Fixed the handling of .folders when being skipped via skip_dir

• Implement Feature: Implement the ability to set --resync as a config option, default is false

• Update error logging to be consistent when initialising fails
• Update error logging output to handle HTML error response reasoning if present
• Update link to new Microsoft documentation
• Update logging output to differentiate between OneNote objects and other unsupported objects
• Update RHEL/CentOS spec file example
• Update known-issues.md regarding 'SSL_ERROR_SYSCALL, errno 104'
• Update progress bar to be more accurate when downloading large files
• Updated #658 and #865 handling of when to trigger a directory walk when changes occur on OneDrive
• Updated handling of when a full scan is required due to utilising sync_list
• Updated handling of when OneDrive service throws a 429 or 504 response to retry original request after a delay

• Fixed how the application handles 429 response codes from OneDrive (critical update)
• Fixed building on Alpine Linux under Docker
• Fixed how the 'username' is determined from the running process for logfile naming
• Fixed file handling when a failed download has occurred due to exiting via CTRL-C
• Fixed an unhandled exception when OneDrive throws an error response on initialising
• Fixed the handling of moving files into a skipped .folder when skip_dotfiles = true
• Fixed the regex parsing of response URI to avoid potentially generating a bad request to OneDrive, leading to a 'AADSTS9002313: Invalid request. Request is malformed or invalid.' response.

• Added a Dockerfile for building on Raspberry Pi / ARM platforms
• Implement Feature: warning on big deletes to safeguard data on OneDrive
• Implement Feature: delete local files after sync
• Implement Feature: perform skip_dir explicit match only
• Implement Feature: provide config file option for specifying the Client Identifier

• Updated the 'Client Identifier' to a new Application ID

• Updated relevant documentation (README.md, USAGE.md) to add new feature details and clarify existing information
• Update completions to include the --force-http-2 option
• Update to always log when a file is skipped due to the item being invalid
• Update application output when just authorising application to make information clearer
• Update logging output when using sync_list to be clearer as to what is actually being processed and why

• Change the sync list override flag to false as default when not using sync_list
• Fix --dry-run output when using --upload-only & --no-remote-delete and deleting local files

• Add a verbose log entry when a monitor sync loop with OneDrive starts & completes

• Remove logAndNotify for 'processing X changes' as it is excessive for each change bundle to inform the desktop of the number of changes the client is processing

• Updated INSTALL.md with Ubuntu 16.x i386 build instructions to reflect working configuration on legacy hardware
• Updated INSTALL.md with details of Linux packages
• Updated INSTALL.md build instructions for CentOS platforms

• Retry session upload fragment when transient errors occur to prevent silent upload failure
• Update Microsoft restriction and limitations about windows naming files to include '~' for folder names
• Docker guide fixes, add multiple account setup instructions
• Check database for excluded sync_list items previously in scope
• Catch DNS resolution error
• Fix where an item now out of scope should be flagged for local delete
• Fix rebuilding of onedrive, but ensure version is properly updated
• Update Ubuntu i386 build instructions to use DMD using preferred method

• Add debug message to when a message is sent to dbus or notification daemon
• Add i386 instructions for legacy low memory platforms using LDC

• Fix typo in the documentation regarding invalid config when upgrading from 'skilion' codebase
• Fix handling of skip_dir, skip_file & sync_list config options
• Fix typo in the documentation regarding sync_list
• Fix log output to be consistent with sync_list exclusion
• Fix 'Processing X changes' output to be more reflective of actual activity when using sync_list
• Remove unused and unexported SED variable in Makefile.in
• Handle curl exceptions and timeouts better with backoff/retry logic
• Update skip_dir pattern matching when using wildcards
• Fix when a full rescan is performed when using sync_list
• Fix 'Key not found: name' when computing skip_dir path
• Fix call from --monitor to observe --no-remote-delete
• Fix unhandled exception when monitor initialisation failure occurs due to too many open local files
• Fix unhandled 412 error response from OneDrive API when moving files right after upload
• Fix --monitor when used with --download-only. This fixes a regression introduced in 12947d1.
• Fix if --single-directory is being used, and we are using --monitor, only set inotify watches on the single directory

• Move JSON logging output from error messages to debug output

• Fix searching for 'name' when deleting a synced item, if the OneDrive API does not return the expected details in the API call
• Fix abnormal termination when no Internet connection
• Fix downloading of files from OneDrive Personal Shared Folders when the OneDrive API responds with unexpected additional path data
• Fix logging of 'initialisation' of client to actually when the attempt to initialise is performed
• Fix when using a sync_list file, using deltaLink will actually 'miss' changes (moves & deletes) on OneDrive as using sync_list discards changes
• Fix OneDrive API status code 500 handling when uploading files as error message is not correct
• Fix crash when resume_upload file is not a valid JSON
• Fix crash when a file system exception is generated when attempting to update the file date & time and this fails

• If there is a case-insensitive match error, also return the remote name from the response
• Make user-agent string a configuration option & add to config file
• Set default User-Agent to 'OneDrive Client for Linux v{version}'

• Make verbose logging output optional on Docker
• Enable --resync & debug client output via environment variables on Docker

• Catch a 403 Forbidden exception when querying Sharepoint Library Names
• Fix unhandled error exceptions that cause application to exit / crash when uploading files
• Fix JSON object validation for queries made against OneDrive where a JSON response is expected and where that response is to be used and expected to be valid
• Fix handling of 5xx responses from OneDrive when uploading via a session

• Detect the need for --resync when config changes either via config file or cli override

• Change minimum required version of LDC to v1.12.0

• Remove redundant logging output due to change in how errors are reported from OneDrive

• Fix unable to download all files when OneDrive fails to return file level details used to validate file integrity
• Included the flag "-m" to create the home directory when creating the user
• Fix entrypoint.sh to work with "sudo docker run"
• Fix docker build error on stretch
• Fix hidden directories in 'root' from having prefix removed
• Fix Sharepoint Document Library handling for .txt & .csv files
• Fix logging for init.d service
• Fix OneDrive response missing required 'id' element when uploading images
• Fix 'Unexpected character '<'. (Line 1:1)' when OneDrive has an exception error
• Fix error when creating the sync dir fails when there is no permission to create the sync dir

• Add explicit check for hashes to be returned in cases where OneDrive API fails to provide them despite requested to do so
• Add comparison with sha1 if OneDrive provides that rather than quickXor
• Add selinux configuration details for a sync folder outside of the home folder
• Add date tag on docker.hub
• Add back CentOS 6 install & uninstall to Makefile
• Add a check to handle moving items out of sync_list sync scope & delete locally if true
• Implement --get-file-link which will return the weburl of a file which has been synced to OneDrive

• Change unauthorized-api exit code to 3
• Update LDC to v1.16.0 for Travis CI testing
• Use replace function for modified Sharepoint Document Library files rather than delete and upload as new file, preserving file history
• Update Sharepoint modified file handling for files > 4Mb in size

• Remove -d shorthand for --download-only to avoid confusion with other GNU applications where -d stands for 'debug'

• Fix not all files being downloaded due to OneDrive query failure
• False DB update which potentially could had lead to false data loss on OneDrive

• Fix JSONValue object validation
• Fix building without git being available
• Fix some spelling/grammatical errors
• Fix OneDrive error response on creating upload session

• Add download size & hash check to ensure downloaded files are valid and not corrupt
• Added --force-http-2 to use HTTP/2 if desired

• Deprecated --force-http-1.1 (enabled by default) due to OneDrive inconsistent behavior with HTTP/2 protocol

• Handle a directory in the sync_dir when no permission to access
• Get rid of forced root necessity during installation
• Fix broken autoconf code for --enable-XXX options
• Fix so that skip_size check should only be used if configured
• Fix a OneDrive Internal Error exception occurring before attempting to download a file

• Check for supported version of D compiler

• Fix 'Local files not deleted' when using bad 'skip_file' entry
• Fix --dry-run logging output for faking downloading new files
• Fix install unit files to correct location on RHEL/CentOS 7
• Fix up unit file removal on all platforms
• Fix setting times on a file by adding a check to see if the file was actually downloaded before attempting to set the times on the file
• Fix an unhandled curl exception when OneDrive throws an internal timeout error
• Check timestamp to ensure that latest timestamp is used when comparing OneDrive changes
• Fix handling responses where cTag JSON elements are missing
• Fix Docker entrypoint.sh failures when GID is defined but not UID

• Add autoconf based build system
• Add an encoding validation check before any path length checks are performed as if the path contains any invalid UTF-8 sequences
• Implement --sync-root-files to sync all files in the OneDrive root when using a sync_list file that would normally exclude these files from being synced
• Implement skip_size feature request
• Implement feature request to support file based OneDrive authorization (request | response)

• Better handle initialisation issues when OneDrive / MS Graph is experiencing problems that generate 401 & 5xx error codes
• Enhance error message when unable to connect to Microsoft OneDrive service when the local CA SSL certificate(s) have issues
• Update Dockerfile to correctly build on Docker Hub
• Rework directory layout and re-factor MD files for readability

• Fix --upload-only check for Sharepoint uploads
• Fix check to ensure item root we flag as 'root' actually is OneDrive account 'root'
• Handle object error response from OneDrive when uploading to OneDrive Business
• Fix handling of some OneDrive accounts not providing 'quota' details
• Fix 'resume_upload' handling in the event of bad OneDrive response

• Add debugging for --get-O365-drive-id function
• Add shell (bash,zsh) completion support
• Add config options for command line switches to allow for better config handling in docker containers

• Implement more meaningful 5xx error responses
• Update onedrive.logrotate indentations and comments
• Update 'min_notif_changes' to 'min_notify_changes'

• Reduce scanning the entire local system in monitor mode for local changes
• Resolve file creation loop when working directly in the synced folder and Microsoft Sharepoint

• Add 'monitor_fullscan_frequency' config option to set the frequency of performing a full disk scan when in monitor mode

• Update default 'skip_file' to include tmp and lock files generated by LibreOffice
• Update database version due to changing defaults of 'skip_file' which will force a rebuild and use of new skip_file default regex

• Resolve 'make install' issue where rebuild of application would occur due to 'version' being flagged as .PHONY
• Update readme build instructions to include 'make clean;' before build to ensure that 'version' is cleanly removed and can be updated correctly
• Update Debian Travis CI build URL's

• Resolve application crash if no 'size' value is returned when uploading a new file
• Resolve application crash if a 5xx error is returned when uploading a new file
• Resolve not 'refreshing' version file when rebuilding
• Resolve unexpected application processing by preventing use of --synchronize & --monitor together
• Resolve high CPU usage when performing DB reads
• Update error logging around directory case-insensitive match
• Update Travis CI and ARM dependencies for LDC 1.14.0
• Update Makefile due to build failure if building from release archive file
• Update logging as to why a OneDrive object was skipped

• Implement config option 'skip_dir'

• Resolve application crash when unable to delete remote folders when business retention policies are enabled
• Resolve deprecation warning: loop index implicitly converted from size_t to int
• Resolve warnings regarding 'bashisms'
• Resolve handling of notification failure is dbus server has not started or available
• Resolve handling of response JSON to ensure that 'id' key element is always checked for
• Resolve excessive & needless logging in monitor mode
• Resolve compiling with LDC on Alpine as musl lacks some standard interfaces
• Resolve notification issues when offline and cannot act on changes
• Resolve Docker entrypoint.sh to accept command line arguments
• Resolve to create a new upload session on reinit
• Resolve where on OneDrive query failure, default root and drive id is used if a response is not returned
• Resolve Key not found: nextExpectedRanges when attempting session uploads and incorrect response is returned
• Resolve application crash when re-using an authentication URI twice after previous --logout
• Resolve creating a folder on a shared personal folder appears successful but returns a JSON error
• Resolve to treat mv of new file as upload of mv target
• Update Debian i386 build dependencies
• Update handling of --get-O365-drive-id to print out all 'site names' that match the explicit search entry rather than just the last match
• Update Docker readme & documentation
• Update handling of validating local file permissions for new file uploads

• Add support for install & uninstall on RHEL / CentOS 6.x
• Add support for when notifications are enabled, display the number of OneDrive changes to process if any are found
• Add 'config' option 'min_notif_changes' for minimum number of changes to notify on, default = 5
• Add additional Docker container builds utilising a smaller OS footprint
• Add configurable interval of logging in monitor mode
• Implement new CLI option --skip-dot-files to skip .files and .folders if option is used
• Implement new CLI option --check-for-nosync to ignore folder when special file (.nosync) present
• Implement new CLI option --dry-run

• Update handling of HTTP 412 - Precondition Failed errors
• Update --display-config to display sync_list if configured
• Add a check for 'id' key on metadata update to prevent 'std.json.JSONException@std/json.d(494): Key not found: id'
• Update handling of 'remote' folder designation as 'root' items
• Ensure that remote deletes are handled correctly
• Handle 'Item not found' exception when unable to query OneDrive 'root' for changes
• Add handling for JSON response error when OneDrive API returns a 404 due to OneDrive API regression
• Fix items highlighted by codacy review

• Add --force-http-1.1 flag to downgrade any HTTP/2 curl operations to HTTP 1.1 protocol
• Support building with ldc2 and usage of pkg-config for lib finding

• Resolve JSONException when supplying --get-O365-drive-id option with a string containing spaces
• Resolve 'sync_dir' not read from 'config' file when run in Docker container
• Resolve logic where potentially a 'default' ~/OneDrive sync_dir could be set despite 'config' file configured for an alternate
• Make sure sqlite checkpointing works by properly finalizing statements
• Update logic handling of --single-directory to prevent inadvertent local data loss
• Resolve signal handling and database shutdown on SIGINT and SIGTERM
• Update man page
• Implement better help output formatting

• Add debug handling for sync_dir operations
• Add debug handling for homePath calculation
• Add debug handling for configDirBase calculation
• Add debug handling if syncDir is created
• Implement Feature Request: Add status command or switch

• Fix syncdir option is ignored

• Handle short lived files in monitor mode
• Provide better log messages, less noise on temporary timeouts
• Deal with items that disappear during upload
• Deal with deleted move targets
• Reinitialize sync engine after three failed attempts
• Fix activation of dmd for docker builds
• Fix to check displayName rather than description for --get-O365-drive-id
• Fix checking of config file keys for validity
• Fix exception handling when missing parameter from usage option

• Notification support via libnotify
• Add very verbose (debug) mode by double -v -v
• Implement option --display-config

• Gracefully handle connection errors in monitor mode
• Fix renaming of files when syncing
• Installation of doc files, addition of man page
• Adjust timeout values for libcurl
• Continue in monitor mode when sync timed out
• Fix unreachable statements
• Update Makefile to better support packaging
• Allow starting offline in monitor mode

• Implement --get-O365-drive-id to get correct SharePoint Shared Library (#248)
• Docker buildfiles for onedrive service (#262)

• Updated client to output additional logging when debugging
• Resolve database assertion failure due to authentication
• Resolve unable to create folders on shared OneDrive Personal accounts

• Implement feature request to Sync from Microsoft SharePoint
• Implement feature request to specify a logging directory if logging is enabled

• Change '--download' to '--download-only' to align with '--upload-only'
• Change logging so that logging to a separate file is no longer the default

• Updated HTTP/2 transport handling when using curl 7.62.0 for session uploads

• Added PKGBUILD for makepkg for building packages under Arch Linux

• Resolve 'Key not found: path' when syncing from some shared folders due to OneDrive API change
• Resolve to only upload changes on remote folder if the item is in the database - dont assert if false
• Resolve files will not download or upload when using curl 7.62.0 due to HTTP/2 being set as default for all curl operations
• Resolve to handle HTTP request returned status code 412 (Precondition Failed) for session uploads to OneDrive Personal Accounts
• Resolve unable to remove '~/.config/onedrive/resume_upload: No such file or directory' if there is a session upload error and the resume file does not get created
• Resolve handling of response codes when using 2 different systems when using '--upload-only' but the same OneDrive account and uploading the same filename to the same location

• Updated Travis CI building on LDC v1.11.0 for ARMHF builds
• Updated Makefile to use 'install -D -m 644' rather than 'cp -raf'
• Updated default config to be aligned to code defaults

• Resolve syncing of OneDrive Personal Shared Folders due to OneDrive API change
• Resolve incorrect systemd installation location(s) in Makefile

• Resolve File download fails if the file is marked as malware in OneDrive
• Resolve high CPU usage when running in monitor mode
• Resolve how default path is set when running under systemd on headless systems
• Resolve incorrectly nested configDir in X11 systems
• Resolve Key not found: driveType
• Resolve to validate filename length before download to conform with Linux FS limits
• Resolve file handling to look for HTML ASCII codes which will cause uploads to fail
• Resolve Key not found: expirationDateTime on session resume

• Update Travis CI building to test build on ARM64

• Resolve skipping of symlinks in monitor mode
• Resolve Gateway Timeout - JSONValue is not an object
• Resolve systemd/user is not supported on CentOS / RHEL
• Resolve HTTP request returned status code 429 (Too Many Requests)
• Resolve handling of maximum path length calculation
• Resolve 'The parent item is not in the local database'
• Resolve Correctly handle file case sensitivity issues in same folder
• Update unit files documentation link

• Fix handling no remote delete of remote directories when using --no-remote-delete
• Fix handling of no permission to access a local file / corrupt local file
• Fix application crash when unable to access login.microsoft.com upon application startup

• Build instructions for openSUSE Leap 15.0

• Fix handling of database exit scenarios when there is zero disk space left on drive where the items database resides
• Fix handling of incorrect database permissions
• Fix handling of different database versions to automatically re-create tables if version mis-match
• Fix handling timeout when accessing the Microsoft OneDrive Service
• Fix localFileModifiedTime to not use fraction seconds

• Implement Feature: Add a progress bar for large uploads & downloads
• Implement Feature: Make checkinterval for monitor configurable
• Implement Feature: Upload Only Option that does not perform remote delete
• Implement Feature: Add ability to skip symlinks
• Add dependency, ebuild and build instructions for Gentoo distributions

• Build instructions for x86, x86_64 and ARM32 platforms
• Travis CI files to automate building on x32, x64 and ARM32 architectures
• Travis CI files to test built application against valid, invalid and problem files from previous issues

• Fix systemd service install for builds with DESTDIR defined
• Fix 'HTTP 412 - Precondition Failed' error handling
• Gracefully handle OneDrive account password change
• Update logic handling of --upload-only and --local-first

• Resolve computeQuickXorHash generates a different hash when files are > 64Kb

• Resolve conflict resolution issue during syncing - the client does not handle conflicts very well & keeps on adding the hostname to files
• Resolve skilion #356 by adding additional check for 409 response from OneDrive
• Resolve multiple versions of file shown on website after single upload
• Resolve to gracefully fail when 'onedrive' process cannot get exclusive database lock
• Resolve 'Key not found: fileSystemInfo' when then item is a remote item (OneDrive Personal)
• Resolve skip_file config entry needs to be checked for any characters to escape
• Resolve Microsoft Naming Convention not being followed correctly
• Resolve Error when trying to upload a file with weird non printable characters present
• Resolve Crash if file is locked by online editing (status code 423)
• Resolve compilation issue with dmd-2.081.0
• Resolve skip_file configuration doesn't handle spaces or specified directory paths

• Implement Feature: Add a flag to detect when the sync-folder is missing
• Implement Travis CI for code testing

• Update Makefile to use DESTDIR variables
• Update OneDrive Business maximum path length from 256 to 400
• Update OneDrive Business allowed characters for files and folders
• Update sync_dir handling to use the absolute path for setting parameter to something other than ~/OneDrive via config file or command line
• Update Fedora build instructions

• Fix 4xx errors including (412 pre-condition, 409 conflict)
• Fix Key not found: lastModifiedDateTime (OneDrive API change)
• Fix configuration directory not found when run via init.d
• Fix skilion Issues #73, #121, #132, #224, #257, #294, #295, #297, #298, #300, #306, #315, #320, #329, #334, #337, #341

• Add logging - log client activities to a file (/var/log/onedrive/%username%.onedrive.log or ~/onedrive.log)
• Add https debugging as a flag
• Add --synchronize to prevent from syncing when just blindly running the application
• Add individual folder sync
• Add sync from local directory first rather than download first then upload
• Add upload long path check
• Add upload only
• Add check for max upload file size before attempting upload
• Add systemd unit files for single & multi user configuration
• Add init.d file for older init.d based services
• Add Microsoft naming conventions and namespace validation for items that will be uploaded
• Add remaining free space counter at client initialisation to avoid out of space upload issue
• Add large file upload size check to align to OneDrive file size limitations
• Add upload file size validation & retry if does not match
• Add graceful handling of some fatal errors (OneDrive 5xx error handling)

• Crash when the delta link is expired

• Disabled buffering on stdout

• Wrong regex for parsing authentication uri

• Support for shared folders (OneDrive Personal only)
• --download option to only download changes
• DC variable in Makefile to chose the compiler

• Print logs on stdout instead of stderr
• Improve log messages

• --syncdir option

• --version output simplified
• Updated README

• Fix crash caused by remotely deleted and recreated directories

• --version option