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-TODO: gcf2, detached indices, JMAP, ...
+Another big release focused on multi-inbox search and scalability.
+
+* general changes
+
+ - config file parsing is 2x faster with 50K inboxes
+
+ - deduplication ignores whitespace differences within address fields
+
+ - "PRAGMA optimize" is now issued on commits for SQLite 3.18+
+
+* public-inbox-extindex
+
+ A new Xapian + SQLite index able to search across several inboxes.
+ This may be configured to replace per-inbox Xapian DBs,
+ (but not per-inbox SQLite indices) and speed up manifest.js.gz
+ generation.
+
+ See public-inbox-extindex-format(5) and
+ public-inbox-extindex(1) manpages for more details.
+
+ Using it with "--all" speeds up various multi-inbox operations in
+ PublicInbox::WWW, public-inbox-nntpd, and public-inbox-imapd.
+
+* read-only public-inbox-daemon (-httpd, -nntpd, -imapd):
+
+ libgit2 may be used via Inline::C to avoid hitting system pipe
+ and process limits. See public-inbox-tuning(7) manpage
+ for more details.
+
+* various memory usage reductions and workarounds for leaks in
+ Encode <3.15, these mainly affect PublicInbox::WWW
+
+* public-inbox-nntpd
+
+ - startup is 6x faster with 50K inboxes if using -extindex
+
+* PublicInbox::WWW
+
+ - mboxrd search results are returned in reverse Xapian docid order,
+ so more recent results are more likely to show up first
+
+ - d: and dt: search prefixes allow "approxidate" formats supported
+ by "git log --since="
+
+ - manifest.js.gz generation is ~25x faster with -extindex
+
+ - minor navigation improvements in search results HTML page
+
+* lei - local email interface
+
+ An experimental, subject-to-change, likely-to-eat-your-mail tool for
+ personal mail as well as interacting with public-inboxes on the local
+ filesystem or over HTTP(S). See lei(1), lei-overview(7), and other
+ lei-* manpages for details. This is only ready-to-use w.r.t. external
+ public-inbox instances, but mail synchronization for personal mail
+ remains clunky.
+
+* public-inbox-index
+
+ - non-strict (Subject-based) threading supports non-ASCII characters,
+ reindexing is necessary for old messages with non-ASCII subjects.
+
+ - --batch-size is now 8M on 64-bit systems for throughput improvements,
+ higher values are still advised for more powerful hardware.
+
+* public-inbox-watch
+
+ - IMAP and NNTP code shared with lei, fixing an off-by-one error
+ in IMAP synchronization for single-message IMAP folders.
+
+ - \Deleted and \Draft messages ignored for IMAP, as they are for
+ Maildir.
+
+ - IMAP and NNTP connection establishment (including git-credential
+ prompts) ordering is now tied to config file order.
Compatibility:
* Rollbacks all the way to public-inbox 1.2.0 remain supported
+Internal changes
+
+* public-inbox-index switched to new internal IPC code shared
+ with lei
+
Please report bugs via plain-text mail to: meta@public-inbox.org
See archives at https://public-inbox.org/meta/ for all history.