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JfrParsingException: IllegalArgumentException "Negative keys not allowed" in Dictionary

bugSomething isn't workingSomething isn't working

Status: Open.

#544 In lucko/spark;

· zKOSMOSz opened on Dec 19, 2025

Cannot initialize /sparkclient profiler || /sparkc profiler — Minecraft 1.21.11

bugSomething isn't workingSomething isn't working

Status: Open.

#543 In lucko/spark;

· Toilet-Lord opened on Dec 18, 2025

Can't create a new profiler on Mac

bugSomething isn't workingSomething isn't working

Status: Open.

#539 In lucko/spark;

· ElGeroIngles opened on Dec 5, 2025

Per-Tick View

suggestionNew feature or requestNew feature or request

Status: Open.

#538 In lucko/spark;

· EpicPlayerA10 opened on Nov 23, 2025

Support for saving data from background profiler n the event of a hang or watchdog event

suggestionNew feature or requestNew feature or request

Status: Open.

#537 In lucko/spark;

· lupusagax opened on Nov 20, 2025

Auto retry upload on upload result fail before resorting to saving to disk instead

suggestionNew feature or requestNew feature or request

Status: Open.

#536 In lucko/spark;

· Appulcake opened on Nov 19, 2025

Spark 1.20.1 Forge-47.4.10 (spark version 1.10.53) incompatible with Java 25

bugSomething isn't workingSomething isn't working

Status: Open.

#535 In lucko/spark;

· collatzcoder opened on Nov 17, 2025

Declare MC version dependencies in neoforge.mods.toml

suggestionNew feature or requestNew feature or request

Status: Open.

#533 In lucko/spark;

· ChiefArug opened on Oct 18, 2025

Spark 1.7.10 crashes with J25

bugSomething isn't workingSomething isn't working

Status: Open.

#531 In lucko/spark;

· Semetix opened on Oct 1, 2025

Website becomes unavailable for several hours after /sparkc profiler stop

bugSomething isn't workingSomething isn't working

Status: Open.

#529 In lucko/spark;

· Fevix opened on Sep 8, 2025

Option to host spark profiler over server ip

suggestionNew feature or requestNew feature or request

Status: Open.

#528 In lucko/spark;

· Edvaize opened on Sep 3, 2025

Profile too large

bugSomething isn't workingSomething isn't working

Status: Open.

#527 In lucko/spark;

· jtJava opened on Aug 28, 2025