Update to 2.52.1:

• Reduce the amount of useless MPRIS notifications produced by MediaSesion when the information about media being played is incomplete.
• Add Sysprof marks for mouse events.
• Fix MediaSession icon for iheart.com not being displayed.
• Fix several crashes and rendering issues.
• Translation updates: Georgian.

Update to 2.52.0:

• Make text look like in other browsers by blending in linear color space.
• Improved rendering performance by using a different tile size depending on whether GPU rendering is enabled or not.
• Improved composition scheduling to avoid blocking waiting for tile painting.
• Improved performance of accelerated 2D canvas by recording operations for batched replay.
• Improved async scrolling when main thread is busy by avoiding locks and rendering the scrollbars from the scrolling thread.
• Enabled dynamic MSAA for accelerated 2D canvas rendering.
• Improved text rendering performance
• Videos with BT2100-PQ colorspace are now tone-mapped to SDR, ensuring colours do not appear washed out.
• Added support for the Audio Output Devices API.
• Added API to handle WebXR permission requests.
• Added API to query the immersive session status.
• Added initial API for web extensions.

2.51.93:

• Make text look like in other browsers by blending in linear color space.
• Avoid composition for non visible layers with running animations.
• Fix several crashes and rendering issues.

2.51.92:

• Fix PDF rendering broken by the accelerated 2D canvas performance improvements.
• Fix flickering while scrolling in some edge cases.
• Support for rotation and mirroring in internal WebCodecs encoder.
• System fallback font selection no longer takes style into account.
• Fix several crashes and rendering issues.