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Link to #4861

Link to #4861

clang12

Closes #4773

See merge request !1011

sample_sets view; change status show when a preprocessing is running or waiting

Closes #4769

See merge request !1002

gitlab-ci; reorder stage and jobs with needs keyword

See merge request !1000

algo/.gitlab-ci-compilers.yml: gcc11

Closes #4773

See merge request !1005

In both case we now use an image that comes with the compiler.
This allows for a more generic installation and a ligher yml file.

Feature c/vmi fix separator

See merge request !1009

sid is not stable enough

uwsgi

Closes #4813

See merge request !990

Pre process JSON output + Flash2 pre-process

See merge request !691

see also #4455

closes #4773

Axis colors

Closes #3678, #3674, #3193, #2370, and #2431

See merge request !996

mental health -2