doc: release notes and version info updates

Update release notes with some features in the 1.6 timeline.

We'll note the version availability of some command-line
options, it may help users who are reading the latest
documentation online but running older versions.

4 files changed, 48 insertions, 3 deletions

diff --git a/Documentation/RelNotes/v1.6.0.eml b/Documentation/RelNotes/v1.6.0.eml
index 283f42c8..862e1c68 100644
--- a/Documentation/RelNotes/v1.6.0.eml
+++ b/Documentation/RelNotes/v1.6.0.eml
@@ -18,17 +18,37 @@ Content-Disposition: inline
     and indexed for search.  Use `public-inbox-index --reindex' to
     ensure these attachments are indexed in old messages.
 
+  - inbox.lock (v2) and ssoma.lock (v1) files are written to by
+    on message delivery (or spam removal) to wake up read-only
+    daemons via inotify or kqueue.
+
 * public-inbox-index
 
   - --batch-size=BYTES or publicinbox.indexBatchSize parameter
 
-  - parallelize updates by default, "-j0" is (once again) allowed
-    parallelization
+  - parallelize v2 updates by default, "-j0" is (once again) allowed
+    to disable parallelization
+
+  - v1 (re-)indexing parallelizes blob reads from git
 
 * public-inbox-learn
 
   - `rm' supports `--all' to remove from all configured inboxes
 
+* public-inbox-imapd
+
+  - new read-only IMAP daemon similar to public-inbox-nntpd
+
+* public-inbox-nntpd
+
+  - blob reads from git are handled asynchronously
+
+* public-inbox-httpd
+
+  - Plack::Middleware::Deflater is no longer loaded by default
+    when no .psgi file is specified; PublicInbox::WWW gzips
+    natively (see below)
+
 * PublicInbox::WWW
 
   - use consistent blank line around attachment links
@@ -39,6 +59,18 @@ Content-Disposition: inline
 
   - $INBOX_DIR/description is treated as UTF-8
 
+  - HTML, Atom, and text/plain responses are gzipped without
+    relying on Plack::Middleware::Deflater
+
+  - Multi-message endpoints (/t.mbox.gz, /T/, /t/, etc) are ~10% faster
+    when running under public-inbox-httpd with asynchronous blob
+    retrieval
+
+* public-inbox-watch
+
+  - Linux::Inotify2 or IO::KQueue is used directly,
+    Filesys::Notify::Simple is no longer required
+
 Please report bugs via plain-text mail to: meta@public-inbox.org
 
 See archives at https://public-inbox.org/meta/ for all history.
diff --git a/Documentation/public-inbox-index.pod b/Documentation/public-inbox-index.pod
index 5be3c897..b1b24917 100644
--- a/Documentation/public-inbox-index.pod
+++ b/Documentation/public-inbox-index.pod
@@ -46,6 +46,8 @@ This switch may be specified twice, in which case compaction
 happens both before and after indexing to minimize the temporal
 footprint of the (re)indexing operation.
 
+Available since public-inbox 1.4.0.
+
 =item --reindex
 
 Forces a re-index of all messages in the inbox.
@@ -70,18 +72,24 @@ is detected.  This is intended to be used in mirrors after running
 L<public-inbox-edit(1)> or L<public-inbox-purge(1)> to ensure data
 is expunged from mirrors.
 
+Available since public-inbox 1.2.0.
+
 =item --max-size SIZE
 
 Sets or overrides L</publicinbox.indexMaxSize> on a
 per-invocation basis.  See L</publicinbox.indexMaxSize>
 below.
 
+Available since public-inbox 1.5.0.
+
 =item --batch-size SIZE
 
 Sets or overrides L</publicinbox.indexBatchSize> on a
 per-invocation basis.  See L</publicinbox.indexBatchSize>
 below.
 
+Available in public-inbox 1.6.0 (PENDING).
+
 =back
 
 =head1 FILES
diff --git a/Documentation/public-inbox-init.pod b/Documentation/public-inbox-init.pod
index 5714828d..fd9fc637 100644
--- a/Documentation/public-inbox-init.pod
+++ b/Documentation/public-inbox-init.pod
@@ -51,6 +51,8 @@ but may be of use to L<public-inbox-v1-format(5)> users.
 There is no automatic way to use reserved NNTP article numbers
 when old mail is found, yet.
 
+Available since public-inbox 1.6.0 (PENDING).
+
 Default: unset, no NNTP article numbers are skipped
 
 =item -S, --skip-epoch
@@ -60,6 +62,8 @@ allows archivists to publish incomplete archives with newer
 mail while allowing "0.git" (or "1.git" and so on) epochs to be
 added-after-the-fact (without affecting "git clone" followers).
 
+Available since public-inbox 1.2.0.
+
 Default: unset, no epochs are skipped
 
 =item -j, --jobs=JOBS
diff --git a/Documentation/public-inbox-learn.pod b/Documentation/public-inbox-learn.pod
index 9c6b261b..cd9bf278 100644
--- a/Documentation/public-inbox-learn.pod
+++ b/Documentation/public-inbox-learn.pod
@@ -55,7 +55,8 @@ not feed the message to L<spamc(1)> and only removes messages
 which match on any of the C<To:>, C<Cc:>, and C<List-ID:> headers.
 
 The C<--all> option may be used match C<spam> semantics in removing
-the message from all configured inboxes.
+the message from all configured inboxes.  C<--all> will be
+available in public-inbox 1.6.0 (PENDING).
 
 =back