These updates are primarily focused on fixing existing issues and do not introduce new features.

a7R V Version 2.02 Update

• Resolves a problem where the camera might restart during movie shooting if it detects many faces simultaneously.
• Corrects a flaw where the time code could be lost after restarting the camera.
• Addresses a bug where certain custom key functions could trigger a restart.
• Enhances exposure consistency during movie recording with high ISO settings.
• Increases overall camera operational stability.

a7CR Version 1.02 Update

• Corrects a malfunction preventing movie recording under specific conditions.
• Fixes a restart issue when the camera identifies multiple faces simultaneously during movie capture.
• Solves the problem of the time code not being preserved after a power cycle.
• Boosts exposure reliability when utilizing high ISO settings for movie shots.
• Enhances the camera’s general operational stability.

a7C II Version 1.02 Update

• Addresses a defect that stopped movie recording in certain scenarios.
• Fixes a restart issue triggered by the simultaneous recognition of several faces during video recording.
• Resolves the issue of losing the time code following a power restart.
• Improves the consistency of exposure levels during video recording at high ISO values.
• Strengthens the overall stability of the camera’s operation.

ZV-E1 Version 1.03 Update

• Fixes a problem where movies could not be recorded under some conditions.
• Corrects an issue causing the camera to restart when detecting many faces at once during video shoots.
• Addresses the loss of time code after the camera is restarted.
• Enhances stability of exposure when recording movies with extended ISO settings.
• Improves the general operational stability of the camera.

These updates are designed to address specific issues reported by users and to improve the performance and stability of the cameras.

News source: https://www.sony.com/en/