bichon

v1.0.0 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 19d Backup & Recovery

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✓ No known CVEs patched

Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

backup compression email email-archiver email-archiving imap

+8 more

mail oauth2 openapi rust search self-hosted tantivy webui

Affected surfaces

auth rbac breaking_upgrade

ReleasePort's take

Light signal

editorial:auto 9d

The release introduces a migration requirement: legacy Tantivy layout detection now aborts startup until manual migration runs.

Why it matters: Operators must run the provided migration before starting version 1.0.0; failure blocks service initialization.

Summary

AI summary

Migration note: legacy Tantivy layout detection aborts startup until manual migration runs.

Changes in this release

Type	Severity	Summary	CVE
Security	Medium	Added `DATA_SMTP_INGEST` permission for inbound mail Added `DATA_SMTP_INGEST` permission for inbound mail Source: llm_adapter@2026-05-21 Confidence: low	—
Breaking	Medium	Switched to UUID for envelope IDs to prevent accidental deletion Switched to UUID for envelope IDs to prevent accidental deletion Source: llm_adapter@2026-05-21 Confidence: high	—
Breaking	Medium	Email/login name now immutable; account name is sortable Email/login name now immutable; account name is sortable Source: llm_adapter@2026-05-21 Confidence: high	—
Feature
Feature	Medium	Expanded default search scope with specific field filtering Expanded default search scope with specific field filtering Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Added advanced attachment filters (extension, category, MIME type) Added advanced attachment filters (extension, category, MIME type) Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Integrated mailbox directory tree into the search interface Integrated mailbox directory tree into the search interface Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Added dedicated attachment search view Added dedicated attachment search view Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Support for nested EML attachment preview and download Support for nested EML attachment preview and download Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Export account emails to a single mbox file Export account emails to a single mbox file Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Manual download and cancel download for email accounts Manual download and cancel download for email accounts Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	MIME-encoded X-Gmail-Labels decoding support in mbox import via bichonctl MIME-encoded X-Gmail-Labels decoding support in mbox import via bichonctl Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Support for X-Bichon-Metadata in import with optimized CLI progress reporting Support for X-Bichon-Metadata in import with optimized CLI progress reporting Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Built-in SMTP server for mail ingestion with real-time archiving Built-in SMTP server for mail ingestion with real-time archiving Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Synced search filters with URL and added dashboard navigation Synced search filters with URL and added dashboard navigation Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Subpath hosting support Subpath hosting support Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Saved user page size preferences Saved user page size preferences Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Multiple color themes in appearance settings Multiple color themes in appearance settings Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Interactive data migration tool in bichon-admin Interactive data migration tool in bichon-admin Source: llm_adapter@2026-05-21 Confidence: low	—
Dependency	Medium	Switched to fjall for storing detached emails and attachments Switched to fjall for storing detached emails and attachments Source: llm_adapter@2026-05-21 Confidence: low	—
Dependency	Medium	Replaced native_db with memdb Replaced native_db with memdb Source: llm_adapter@2026-05-21 Confidence: low	—
Performance	Medium	Mailbox list caching (10 minutes) with progress display on initial fetch Mailbox list caching (10 minutes) with progress display on initial fetch Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	Optimized CPU usage Optimized CPU usage Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix
Bugfix	Medium	Fixed memory leak Fixed memory leak Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	Fixed deletion of roles that are currently in use Fixed deletion of roles that are currently in use Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	Fixed search date picker navigation Fixed search date picker navigation Source: llm_adapter@2026-05-21 Confidence: low	—
Bugfix	Medium	Fixed sync settings modal layout on smaller viewports Fixed sync settings modal layout on smaller viewports Source: llm_adapter@2026-05-21 Confidence: low	—
Bugfix	Medium	Fixed EML ID conversion issue Fixed EML ID conversion issue Source: llm_adapter@2026-05-21 Confidence: low	—
Bugfix	Medium	Fixed dashboard 500 errors with placeholder data Fixed dashboard 500 errors with placeholder data Source: llm_adapter@2026-05-21 Confidence: low	—
Bugfix	Medium	Fixed inconsistent permissions for `/oauth2` Fixed inconsistent permissions for `/oauth2` Source: llm_adapter@2026-05-21 Confidence: low	—
Refactor	Medium	Decoupled email body and attachment storage Decoupled email body and attachment storage Source: llm_adapter@2026-05-21 Confidence: low	—

Full changelog

🔍 Search

Expanded default search scope with specific field filtering
Added advanced attachment filters (extension, category, MIME type)
Integrated mailbox directory tree into the search interface
Added dedicated attachment search view
Fixed search date picker navigation (#148)
Added stemmer support for multilingual token matching

📧 Email & SMTP

Built-in SMTP server for mail ingestion with real-time archiving
Support for nested EML attachment preview and download (#150)
Export account emails to a single mbox file
Manual download and cancel download for email accounts
MIME-encoded X-Gmail-Labels decoding support in mbox import via bichonctl (#182)
Support for X-Bichon-Metadata in import with optimized CLI progress reporting

🏗️ Architecture & Storage

Decoupled email body and attachment storage
Switched to fjall for storing detached emails and attachments
Replaced native_db with memdb
Switched to UUID for envelope IDs to prevent accidental deletion

🌐 UI & UX

Synced search filters with URL and added dashboard navigation
Subpath hosting support (#145)
Saved user page size preferences (#171)
Mailbox list caching (10 minutes) with progress display on initial fetch
Multiple color themes in appearance settings
Interactive data migration tool in bichon-admin
Fixed sync settings modal layout on smaller viewports (#168)
Fixed search date picker navigation (#148)

🔐 Permissions & Accounts

Added DATA_SMTP_INGEST permission for inbound mail
Email/login name now immutable; account name is sortable (#195)
Fixed inconsistent permissions for /oauth2 (#196)
Fixed deletion of roles that are currently in use (#194)
Fixed Bichonctl Thunderbird upload crashes (#178)

🛠️ Bug Fixes

Fixed memory leak (#167)
Optimized CPU usage (#159)
Fixed EML ID conversion issue
Fixed dashboard 500 errors with placeholder data
Added detailed error info on send failure (#198)

⚠️ Migration Note

Legacy Tantivy data layout is detected on startup — the app will abort with a migration hint. Please use the built-in data migration tool in the admin panel before upgrading.

What's Changed

Add more info when send fail (not just status) by @defrance in https://github.com/rustmailer/bichon/pull/198

New Contributors

@defrance made their first contribution in https://github.com/rustmailer/bichon/pull/198

Full Changelog: https://github.com/rustmailer/bichon/compare/0.3.7...1.0.0

Breaking Changes

Legacy Tantivy data layout detection aborts startup; manual migration via admin panel required before upgrade.

View diff on GitHub

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About bichon

Bichon – A lightweight, high-performance Rust email archiver with WebUI

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