PrusaSlicer 2.5.0-alpha3

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Summary

​This is the third alpha release of PrusaSlicer 2.5.0, fixing bugs found in the previous alpha. See the release log of 2.5.0-alpha2 for the complete list of changes with respect to 2.4.2.
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To let you enjoy the alpha without worries, the alpha builds save their profiles into PrusaSlicer-alpha directory, so you may use the alpha side by side with the current release without ruining your production configuration.

Bugfixes with respect to PrusaSlicer 2.5.0-alpha2

• Lightning infill did not work when automatic extrusion width was used #8435
• Fixed crash when lightning infill was used and some region had zero infill density #8436
• Lighting infill generation was failing when it encountered very tiny polygons #8437
• Fixed internal error reported by Arachne perimeter generator in rare cases #8447
• Fixed empty G1 lines which were sometimes generated by the wipe tower (this is very old bug)
• Fixed a crash in Arachne perimeter generator occurring in some specific cases #8463
• Tooltips in parameter pages did not show in some cases when hovering the label of the control #8459
• A hyperlink in the "Did you know" notification that should open Configuration Snapshots dialog did not work in all languages localizations #8450
• Fixed a hang in Lightning infill generator, which was occurring with certain models and configs #8488
• When using the Seach function after switching modes (Simple/Advanced/Expert), the search sometimes navigated to a wrong parameter #8376
• Arachne perimeter generator sometimes produced extremely short segments even when there was no need. These extrusions could have been incorrectly shown as deretractions and also could have caused extremely short and counter-productive wipe moves #8455
• When using the Classic perimeter generator, consecutive segments of gap fill are now merged when they have the same direction and don't differ in width (or only differ slightly). This reduces size of the G-Code and makes printer stuttering less likely.
• Fixed a bug in pressure equalizer which introduced unnecessary deceleration (acceleration) before (after) ironing moves #8471
• Fixed a bug in seam placement, which did not respect paint-on seams in certain cases #8464
• Aligned seams in alpha2 were sometimes needlessly wavy, especially on simple geometries. This was improved and the effect is now reduced (although it may still appear in some cases) #8443, #8504

Translations

• Updated zn_CN translation (#8425, thanks @dingyifei)
• Update RU translation (#8438, thanks @AndylgTom)
• Updated pt_BR translation (#8449, thanks @valterfc)
• Fixed a typo in JA translation (#8330, thanks @AkimasaKonishi)