Cherry-picks for 2.12.5-RC.2#7861

Merged

neilalexander merged 17 commits intorelease/v2.12.5from

backports/v2.12.5-RC.2

Feb 20, 2026

Commits on Feb 20, 2026

Allow optional `window_size` for stream snapshot flow control
neilalexander
committed
API level 3
neilalexander
committed
(2.12) [FIXED] Remove recovered streams/consumers if not in catchup meta snapshot

MauriceVanVeen
authored and
neilalexander
committed
(2.12) [IMPROVED] Align cleanup with checkForOrphans

MauriceVanVeen
authored and
neilalexander
committed
[FIXED] Preserve max delivered messages with WorkQueue retention

MauriceVanVeen
authored and
neilalexander
committed
Fix crasher on callout for a leafnode connection with hand-rolled creds that are mistmatched

aricart
authored and
neilalexander
committed
review comment

aricart
authored and
neilalexander
committed
memstore: speed up LoadNextMsg when using wildcard filter

sciascid
authored and
neilalexander
committed
[IMPROVED] Asynchronous meta stream/consumer assignments snapshots

MauriceVanVeen
authored and
neilalexander
committed
[IMPROVED] Eventually force snapshots if blocked due to catchups

MauriceVanVeen
authored and
neilalexander
committed
[IMPROVED] Decrease time until meta snapshot is forced

MauriceVanVeen
authored and
neilalexander
committed
[FIXED] Legacy durable consumer request consistency

MauriceVanVeen
authored and
neilalexander
committed
NRG: Preserve papplied on truncate after unapplied catchup snapshot

MauriceVanVeen
authored and
neilalexander
committed
memstore: use matchLiteral for wildcard checks in loadNextMsgLocked

sciascid
authored and
neilalexander
committed
NRG: Fix cluster size drop to 1 on replaying EntryAddPeer after restart

sciascid
authored and
neilalexander
committed
Add test for flow control with cross-account source fan-out

johnweldon
authored and
neilalexander
committed
[IMPROVED] Single subject in FilterSubjects field

MauriceVanVeen
authored and
neilalexander
committed

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Cherry-picks for 2.12.5-RC.2#7861

Cherry-picks for 2.12.5-RC.2#7861
neilalexander merged 17 commits intorelease/v2.12.5from
backports/v2.12.5-RC.2

Commits on Feb 20, 2026

Allow optional `window_size` for stream snapshot flow control

API level 3

(2.12) [FIXED] Remove recovered streams/consumers if not in catchup meta snapshot

(2.12) [IMPROVED] Align cleanup with checkForOrphans

[FIXED] Preserve max delivered messages with WorkQueue retention

Fix crasher on callout for a leafnode connection with hand-rolled creds that are mistmatched

review comment

memstore: speed up LoadNextMsg when using wildcard filter

[IMPROVED] Asynchronous meta stream/consumer assignments snapshots

[IMPROVED] Eventually force snapshots if blocked due to catchups

[IMPROVED] Decrease time until meta snapshot is forced

[FIXED] Legacy durable consumer request consistency

NRG: Preserve papplied on truncate after unapplied catchup snapshot

memstore: use matchLiteral for wildcard checks in loadNextMsgLocked

NRG: Fix cluster size drop to 1 on replaying EntryAddPeer after restart

Add test for flow control with cross-account source fan-out

[IMPROVED] Single subject in FilterSubjects field