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Map<Integer, Double> displays badly #1605

Closed
microsoft/java-debug
#621

Description

@ibobak

Type: Bug

Create instance of
private Map<Integer, Double> priceProbMap = new HashMap<>():
and fill 10000 items, then look at what is displayed in debugger

Image

Extension version: 0.58.5
VS Code version: Code 1.108.1 (585eba7c0c34fd6b30faac7c62a42050bfbc0086, 2026-01-14T14:55:44.241Z)
OS version: Windows_NT x64 10.0.26100
Modes:

System Info
Item Value
CPUs Intel(R) Core(TM) Ultra 7 155H (16 x 2995)
GPU Status 2d_canvas: enabled
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 63.52GB (33.72GB free)
Process Argv --crash-reporter-id d41a50ef-ff2f-4247-bd5d-3c9c973e3551
Screen Reader no
VM 0%
A/B Experiments
vsliv368:30146709
vswsl492cf:30256860
pythonvspyt551cf:31249601
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31436602
aj953862:31281341
6abeh943:31336334
cloudbuttont:31379625
3efgi100_wstrepl:31403338
use-responses-api:31390855
ec5jj548:31422691
nes-deb2-200:31447961
cmp-ext-treat:31426748
cp_cls_t_966_ss:31446430
c0683394:31419495
nes-autoexp-off:31446584
a5gib710:31434435
word_off_nes_off_suggest_visible:31447745
rename_enabled:31436409
7a04d226_do_not_restore_last_panel_session:31438103
anthropic_thinking_t:31432745
cp_cls_c_1081:31443829
copilot-nes-oct-trt:31432596
nes-slash-models-on:31441832
core-renderer-profiling-on:31440367
nes-set-to-on:31441941
a43f0574a:31442826
ts_provider_disabled:31446105
nes-conv-2-3:31447852

Activity

  1. ibobak commented on Jan 22, 2026

    @ibobak
    Author

    This is what I expect it to look (from JetBrains IDEA):

    Image
  2. suraj7795agarwal-collab commented on Feb 12, 2026

    @suraj7795agarwal-collab

    Create instance of
    private Map<Integer, Double> priceProbMap = new HashMap<>():
    and fill 10000 items, then look at what is displayed in debugger

  3. suraj7795agarwal-collab commented on Feb 13, 2026

    @suraj7795agarwal-collab

    Bug 🐞

  4. wenytang-ms commented on Mar 31, 2026

    @wenytang-ms
    Contributor

    Hi suraj7795agarwal-collab Ihor Bobak (@ibobak)
    we already shipped pre-release to fix this issue, please help verify. thanks

    Image
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