Announcing the release of OpenCue v1.19.1

OpenCue v1.19.1 release notes

April 13, 2026

To learn how to install and configure OpenCue, see our Getting Started guide.

This release brings major new capabilities including a distributed scheduler written in Rust, comprehensive RQD improvements (OOM prevention, Windows support, PSS memory), CueWeb LDAP authentication, a full-stack sandbox deployment, and numerous bug fixes and stability improvements across the ecosystem.

Major Features

  • Distributed Scheduler (Beta)
    Introduced a new distributed scheduler written in Rust, enabling scalable and high-performance job dispatching with support for hardware tags, show/facility-scoped clusters, environment variables, and Sentry tracing.
    (#2104), (#2113), (#2155), (#2182), (#2188), (#2198), (#2242)

  • Event-Driven Monitoring Stack
    Added a full event-driven monitoring stack with enhanced metrics, dashboards, and comprehensive documentation.
    (#2086)

  • CueWeb LDAP Authentication
    Added LDAP authentication support for CueWeb, enabling enterprise directory integration.
    (#2096)

  • Full-Stack Sandbox Deployment
    Introduced a unified Docker Compose sandbox deployment with CueWeb, REST Gateway, core-only defaults, monitoring profiles, and quick start documentation.
    (#2103), (#2110), (#2166)

  • RQD Windows Support (Release Candidate)
    Added full Windows support for RQD.
    (#2165), (#2121), (#2122)

  • Rust RQD OOM Prevention
    Added OOM prevention logic with intelligent frame kill selection and PSS memory measurement support in the Rust RQD implementation.
    (#2064), (#2067), (#2089), (#2093)

  • PSS Memory Measurement
    Added option to measure process memory using PSS (Proportional Set Size) and store PSS/MaxPSS values across Cuebot, CueGUI, PyCue, and RQD.
    (#2089), (#2112)

  • Booking Show:Facility Exclusion List
    Added the ability to configure booking exclusion lists per show and facility.
    (#2087)

  • External Facility Feature
    Added external facility support in PyCue and CueGUI.
    (#2248)

  • Filter Actions for UTIL and PRE Layers
    Added cue filter actions for UTIL and PRE layer types with support for multiple delimiters in filter action tag parsing.
    (#2050), (#2048)

User Interface and Usability

  • CueGUI
    • Replaced NodeGraphQtPy with the upstream NodeGraphQt library
      (#2040)
    • Added User Color sorting in Cuetopia job monitor
      (#2176)
    • Fixed gRPC CANCELLED errors causing UI refresh failures
      (#2042), (#2079)
    • Fixed UI freeze on gRPC connection drops with job unavailable notification
      (#2143)
    • Fixed LLU and Last Line columns not populating on large jobs
      (#2044)
    • Fixed AttributeError when assigning local cores from layers/frames
      (#2052)
    • Fixed ETA calculation type error and UTF-8 decoding
      (#2119)
    • Fixed layer tags validation to allow dashes and underscores
      (#2120)
    • Fixed CueJobMonitorTree not refreshing on property changes
      (#2100)
    • Made job-not-found popup notification configurable, default off
      (#2199)
    • Fixed max_cores bug
      (#2222)
    • Added PSS and MaxPSS display support
      (#2112)
  • CueNIMBY
    • Enhanced system tray with OpenCue icons, emoji status, and connectivity awareness
      (#2061)
    • Made CueGUI launch command and menu label configurable
      (#2232)
    • Fixed operation on headless Linux render nodes (editor, notifications, threading)
      (#2237), (#2234)
    • Load default config from JSON file instead of hardcoding
      (#2244)

Scheduler Improvements

  • Distributed scheduler with show migration support
    (#2104), (#2182)
  • Bulk resource accounting
    (#2198)
  • Add job and layer environment variables to frames
    (#2161)
  • Scope manual/hostname/hardware tag clusters to show and facility
    (#2188)
  • Improved scheduler metrics
    (#2178)
  • Allow jobs without an OS constraint to dispatch
    (#2246)
  • Added Sentry tracing and sqlx warnings as Sentry events
    (#2242), (#2250)
  • Fixed race condition in multi-scheduler environments
    (#2191)
  • Fixed single-threaded bug, datatype errors, and memory value calculations
    (#2220), (#2162), (#2163), (#2241)

RQD Improvements

  • Rust RQD:
    • Kill all frames when host becomes nimby_locked
      (#2057)
    • OOM prevention with kill frame selection and PSS memory measurement
      (#2064), (#2089)
    • Fixed memory bug on OOM killed frames and process cache/timeout
      (#2093), (#2160)
    • Replaced Python RQD with Rust RQD in Docker stack
      (#2227)

Cuebot Improvements

  • Added scheduled subscription recalculation task
    (#2134)
  • Added spring-boot-starter-mail dependency
    (#2156)
  • Allow customizing the output_path for EmailSupport
    (#2153)
  • DB optional environment variables for custom deployments
    (#2076)
  • VirtualProc allows cores above predefined max
    (#2223)
  • Improved nimby retry logic
    (#2169)
  • Updated Dockerfile to use openjdk:18-ea-18-slim-bullseye
    (#2074)
  • Fixed stuck depend frames on transient failures
    (#2201)
  • Fixed hardware tags update on host restart
    (#2125)
  • Fixed race condition when updating host.int_mem_idle
    (#2217)
  • Recover lost dependencies
    (#2219)
  • Only replace username once on PostJobs
    (#2088)
  • Removed unused threadpool properties
    (#2204)

Documentation and Ecosystem

  • Documentation:
    • Added comprehensive documentation for the new scheduler module
      (#2113)
    • Added comprehensive documentation for PyOutline and PyCuerun
      (#2212)
    • Added AI policy to developer guide
      (#2228)
    • Added 2026 project update news
      (#2154)
    • Front page design improvements
      (#2205)
    • Fixed broken www.opencue.io links
      (#2197)
    • Added Docker setup for building documentation
      (#2130)
    • Updated CueWeb documentation with correct healthcheck using wget
      (#2132)
    • Added nav_order management utilities for documentation
      (#2055)
  • Docker and Deployment:
    • Unified Docker Compose stack with core-only defaults and monitoring profiles
      (#2166)
    • Updated docker compose with newer versions and profiles
      (#2175)
    • Removed redundant sandbox compose files, switched to named Docker volumes
      (#2208)
    • Replaced Python RQD with Rust RQD in Docker stack
      (#2227)

Changes

  • [docs] Update documentation version to 1.13.8 and add release notes #2038
  • [cuegui] Replace NodeGraphQtPy with NodeGraphQt #2040
  • [ci] Add Apache-2.0 license metadata to package pyproject.toml files and license check #2039
  • [cuegui] Fix AttributeError when assigning local cores from layers/frames #2052
  • [cuegui] Handle gRPC CANCELLED errors to fix UI refresh issues #2042
  • [cuegui] Fix LLU and Last Line columns not populating on large jobs #2044
  • [cuebot] Support multiple delimiters in filter action tag parsing #2048
  • [cuebot/cuegui/pycue/cueadmin] Add cue filter actions for UTIL and PRE layers #2050
  • [docs] Add nav_order management utilities for documentation #2055
  • [rust/rqd] Trigger a kill_all_frames action when a host becomes nimby_locked #2057
  • Update Slack channel link in README #2059
  • [cuegui/docs] Fix EnableJobInteraction setting type handling #2060
  • [rust/rqd] Add OOM prevention logic with kill frame selection #2064
  • [rust/rqd] Version Up rust/rqd #2066
  • [rust/rqd] Log OOM kill on rqd #2067
  • [cuenimby] Add Enhanced CueNimby System Tray with OpenCue Icons, Emoji Status, and Connectivity Awareness #2061
  • [cuenimby] Fix working icon description in documentation #2070
  • Bump next-auth from 4.24.10 to 4.24.12 in /cueweb #2068
  • Fix PyOutline package name typo in installation docs #2071
  • [cuebot] Update Dockerfile to use openjdk:18-ea-18-slim-bullseye image #2074
  • [pycue] Remove six and unpin PyYaml #2072
  • [cuebot] DB optional env vars to streamline custom deployment #2076
  • [cuegui] Add error handling for gRPC connection failures in FrameMonitor #2079
  • Bump glob from 10.4.5 to 10.5.0 in /cueweb #2080
  • Bump js-yaml in /cueweb #2081
  • [pyoutline] Layer module cleanup #2073
  • [Cuebot] Add booking show:facility exclusion list #2087
  • [cuebot] Only replace username once on PostJobs #2088
  • [rust/rqd] Add option to measure proc memory using PSS #2089
  • [docs] Move theme toggle (sun icon) into header #2090
  • [docs] Fix theme toggle not displaying due to duplicate const declara… #2092
  • [rust/rqd] Fix memory bug on OOM killed frames #2093
  • Bump jws from 3.2.2 to 3.2.3 in /cueweb #2094
  • [cueweb] Add CueWeb LDAP Authentication #2096
  • [cuegui] Fix CueJobMonitorTree not refreshing on property changes #2100
  • [ci/cueweb/rest_gateway] Add Docker build jobs for cueweb and rest_gateway #2098
  • [ci/rust] Upgrade CI/CD macOS runners from macos-13 to macos-14 #2099
  • [sandbox/docs/cueweb/rest_gateway] Add full-stack sandbox deployment with CueWeb and REST Gateway #2103
  • Bump next from 14.2.32 to 14.2.35 in /cueweb #2109
  • [sandbox/rest_gateway] Fix Docker build compatibility for ARM64 and health checks #2110
  • [cuebot/pycue/proto/sandbox/docs] Add full event-driven monitoring stack, enhance metrics, dashboards, and documentation #2086
  • [rust/scheduler] Distributed Scheduler #2104
  • [scheduler/docs] Add docs for the new scheduler module #2113
  • [rust] Add Copyright header on all rust files #2114
  • [cuegui] Fix ETA calculation type error and UTF-8 decoding in FrameMonitorTree #2119
  • [cuegui] Fix layer tags validation to allow dashes and underscores #2120
  • [RQD][FIX] Remove code duplication #2123
  • docs: add Docker setup for building documentation #2130
  • [cueweb/docs] Update cueweb documentation with correct healthcheck using wget instead of curl #2132
  • Bump uri from 1.0.3 to 1.0.4 in /docs #2135
  • [docs] Revert uri gem to 1.0.3 in Gemfile.lock #2136
  • [docs] Remove obsolete version attribute from docker-compose.yml #2137
  • [RQD][FIX] Fix hyperthreading cores reservation #2124
  • [RQD][FIX] Skip os.chown for Windows #2122
  • [RQD][FIX] Windows log rotation retries #2121
  • [cuebot/cuegui/pycue/rqd] Store PSS and MaxPSS #2112
  • [rust] Enforce home version to stay compatible with rust 187 #2145
  • [rqd/cicd] Only build rqd crate when packaging rqd binary #2149
  • [cuebot][FIX] Hardware tags update on Host restart #2125
  • [pycue] Fix service timeout LLU getter #2146
  • [cuegui/cuebot] Fix UI freeze on gRPC connection drops and add job unavailable notification #2143
  • [cuebot] Add scheduled subscription recalculation task #2134
  • [rqd] Fix race condition for ultrafast frames #2157
  • [scheduler] Add job and layer envs to frame #2161
  • [scheduler] Fix datatype error on layer_dao #2162
  • [scheduler] Fix memory values on env vars #2163
  • [docker/ci/docs] Introduce unified Docker Compose stack with core-only defaults, monitoring, and quick start documentation #2166
  • [cuebot] Add spring-boot-starter-mail into gradle dependencies #2156
  • [scheduler] Add hardware tags to rust scheduler #2155
  • [docs] Add 2026 project update news and automate nav_order management #2154
  • [ci/docs] Fix permission denied error in docs pipeline #2170
  • [cuebot] Improve nimby retry logic #2169
  • [ci/docs] Fix docs pipeline build failure and path references #2171
  • [cuegui] Add User Color sorting in Cuetopia job monitor #2176
  • [docker] Remove prometheus exporter #2179
  • [Scheduler/Cuebot] Allow entire show migration to new scheduler #2182
  • [rust/rqd] Fix process cache and timeout feature #2160
  • [cuebot] Allow customizing the output_path for EmailSupport #2153
  • [scheduler] Improve scheduler metrics #2178
  • [Scheduler] Scope manual/hostname/hardware tag clusters to show and facility #2188
  • [docs] Fix broken www.opencue.io links to use docs.opencue.io #2197
  • [cuegui] Make job-not-found popup notification configurable, default off #2199
  • [scheduler] Fix race condition in multi-scheduler environments. #2191
  • [Cuebot] Fix stuck depend frames on transient failures #2201
  • [docs] Front page Design improvements #2205
  • [docker] Update docker compose with newer versions and add profiles #2175
  • [docs/docker/ci] Remove redundant sandbox compose files and update to named Docker volumes #2208
  • [docs] Fix docs content spacing #2210
  • [rqd] Add CUE_HT env to hyperthreaded frames #2207
  • [pyoutline] Allow adding or overriding outline modules via environment variable #2193
  • [Cuebot] Remove unused threadpool properties #2204
  • [rqd] Fix available memory calculation error #2211
  • [Cuebot] Fix possible race condition when updating host.int_mem_idle #2217
  • [cuebot] Recover lost dependencies #2219
  • [scheduler] Fix single-threaded bug #2220
  • [cuegui] fix max_cores bug #2222
  • [cuebot] VirtualProc allows cores above predefined max #2223
  • [cuenimby] Make CueGUI launch command and menu label configurable #2232
  • [cuenimby] Fix config file open and notifications on headless render nodes #2234
  • Update PULL_REQUEST_TEMPLATE.md #2229
  • [docs] Add ai-policy to developer-guide docs #2228
  • [cuenimby] Fix CueNIMBY on headless Linux: editor, notifications, threading, frame info #2237
  • [scheduler] Fix memory_reserved divided by KIB instead of KB #2241
  • [docs] Add comprehensive documentation for PyOutline and PyCuerun #2212
  • [pyoutline/rqd] Add pycuerun entry point, fix CLI bugs, and improve sandbox support #2215
  • [rqd] Add windows support #2165
  • [scheduler] Add sentry tracing #2242
  • [rqd/cicd] Replace python/rqd by rust/rqd on docker stack #2227
  • [cuenimby] Load CueNIMBY default config from JSON file instead of hardcoding #2244
  • [pycue/cuegui] Add external facility feature #2248
  • [cicd] Increase sonarqube memory #2249
  • [scheduler] Allow jobs without an OS constraint to dispatch #2246
  • [rqd] Add config option for default NIMBY lock at startup #2247
  • [scheduler/cuebot] Bulk resource accounting #2198
  • [scheduler] Add sqlx warnings as sentry events #2250